CN1330075A - 内皮素拮抗剂 - Google Patents
内皮素拮抗剂 Download PDFInfo
- Publication number
- CN1330075A CN1330075A CN00118666A CN00118666A CN1330075A CN 1330075 A CN1330075 A CN 1330075A CN 00118666 A CN00118666 A CN 00118666A CN 00118666 A CN00118666 A CN 00118666A CN 1330075 A CN1330075 A CN 1330075A
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- Prior art keywords
- trp
- phe
- leu
- pro
- phenoxy
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- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/04—Linear peptides containing only normal peptide links
- C07K7/06—Linear peptides containing only normal peptide links having 5 to 11 amino acids
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- A61P9/00—Drugs for disorders of the cardiovascular system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
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Abstract
本发明涉及具有内皮素拮抗活性的三肽衍生物,其特备方法,含它们的药物组合物及它们在预防或治疗与内皮素有关疾病的用途。
Description
本发明涉及具有内皮素拮抗活性的三肽衍生物,其特备方法,含它们的药物组合物及它们在预防或治疗与内皮素有关疾病的用途。
内皮素是重要的缩血管因子。人类或其它哺乳动物基因组存在三种分别编码内皮素的基因,形成的大内皮素在内皮素转换酶作用下,转变为ET1,ET2,ET3。它们均为二十一肽,含有两个二硫桥键。ET1不但表达于非血管细胞,而且是唯一存在于血管内皮细胞的内皮素。ET2和ET3主要在脑、肾和肾上腺及小肠中表达。ET与靶细胞中的特异受体结合,最终产生相应的生物学效应。迄今已发现三类ET受体,即ETA,ETB,和ETC。ETA主要分布于主动脉,心房,胎盘,肺、脑血的及肾脏血管平滑肌中;BTB存在于中枢神经系统中的神经胶质细胞,脉落丛上皮细胞,肺、胎血、肾小球内皮,心室,脑中等,在血管平滑肌也有分布,ETC则分布于内皮细胞中。三种受体对各型ET的亲和力不同。内皮素及受体在人体内具有广泛的生理病理学反应。参与了高血压,充血性心衰,心肌缺血,脑窒息,休克,急性肾衰,肺原性高血压,血管痉挛性疾病等过程。因此,内皮素拮抗剂有助于预防/治疗心血管疾病。
本发明的目的是寻找新的内皮素拮抗剂。
本发明人经研究现已发现式I的三肽衍生物
RCO-A-B-C-OH I或其立体异构体具有良好的内皮素拮抗活性,因此式I三肽衍生物或其立体异构体可作为药物用于预防或治疗与内皮素有关的心血管疾病。本发明第一方面涉及式I三肽衍生物或其立体异构体,
RCO-A-B-C-OH I
其中R为六亚甲基亚胺基或苯氧基,
A为Leu,Pro或其它非天然脂肪族氨基酸,如β-Ala,γ一氨基丁酸,或氨基异丁酸,
B为D-Trp,D-Pya,D-Phe,其中的Phe中苯基可在2、3、4或5位被选自卤素,硝基,羧基或C1-4烷基单取代或二取代,
C为D-Trp,D-Pya,D-Phe,其中的Phe中苯基可在2、3、4或5位被选自卤素,硝基,羧基或C1-4烷基单取代或二取代,
条件是B和C中至少一个为D-Trp。
本发明还涉的含至少一种式I三肽衍生物或其立体异物体,
RCO-A-B-C-OH I其中R为六亚甲基亚胺基或苯氧基,
A为Leu,Pro或其它非天然脂肪族氨基酸,如β-Ala,γ-氨基丁酸,或氨基异丁酸,
B为D-Trp,D-Pya,D-Phe,其中的Phe中苯基可在2、3、4或5位被选自卤素,硝基,羧基或C1-4烷基单取代或二取代,
C为D-Trp,D-Pya,D-Phe,其中的Phe中苯基可在2、3、4或5位被选自卤素,硝基,羧基或C1-4烷基单取代或二取代,
条件是B和C中至少一个为D-Trp,及药用载体或赋形剂的药物组合物。
本发明还涉及制备式I三肽衍生物或其立体异物体的方法,其包括
1)将RCO-A-OH化合物与B-OP在DMF,DCM,NMM,DIC-HOBt中反应,其中R,A,B,如上定义,P为C1-4烷基,生成RCO-A-B-OP,
2)将1)中所得产物在1M氢氧化钠/甲醇溶液中皂化,然后在1M盐酸中酸化,生成RCO-A-B-OH,
3)将2)中产物RCO-A-B-OH与C-OP在DMF,DCM,NMM,DIC-HOBt中反应,其中P为C1-4烷基,生成RCO-A-B-C-OP,所得产物如2)中所述进行反应,生成式I RCO-A-B-C-OH。
本发明还涉及式I三肽衍生物或其立体异构体在制备预防或治疗与内皮素有关疾病或症状的药物中用途。
根据本发明、术语“卤素”是指氟、氯、溴或碘。
术语“C1-4烷基”指含1-4个碳原子的直链或支链烷基。
在本发明中使用的缩写具有下面含义:
Pro-脯氨酸,
Leu-亮氨酸,
Ala-丙氨酸,
Phe-苯丙氨酸,
Trp-色氨酸,
Pya-β-吡啶基丙氨酸,
GABA-γ-氨基丁酸,
DMF-二甲基甲酰胺,
DCM-二氯甲烷,
NMM-N-甲基-吗啉,
DIC-HOBt-二异丙基碳二亚胺-1-羟基苯并三唑,
Fmoc-9-芴甲氧羰基,
HIM-六亚甲基亚胺基。
本发明所用术语“式I三肽衍生物立体异构体”是指其相应的D-或L-立体构型。
具体讲,本发明涉及式I三肽衍生物或其立体异构体,
RCO-A-B-C-OH I
其中,R为六亚甲基亚胺基或苯氧基,
或RCOA为下式基团,
A为Leu,Pro或其它非天然脂肪族氨基酸,如β-Ala,γ-氨基丁酸,或氨基异丁酸,
B为D-Trp,D-Pya,D-Phe,其中的Phe中苯基可在2、3、4或5位被选自卤素,硝基,羧基或C1-4烷基单取代或二取代,
C为D-Trp,D-Pya,D-Phe,其中的Phe中苯基可在2、3、4或5位被选自卤素,硝基,羧基或C1-4烷基单取代或二取代,
条件是B和C中至少一个为D-Trp。
本发明还涉及药物组合物,其包括至少一种式I三肽衍生物或其立体异构体
RCO-A-B-C-OH I
其中R为六亚甲基亚胺基或苯氧基,
或RCOA为下式基团,
A为Leu,Pro或其它非天然脂肪族氨基酸,如β-Ala,γ-氨基丁酸,或氨基异丁酸,
B为D-Trp,D-Pya,D-Phe,其中的Phe中苯基可在2、3、4或5位被选自卤素,硝基,羧基或C1-4烷基单取代或二取代,
C为D-Trp,D-Pya,D-Phe,其中的Phe中苯基可在2、3、4或5位被选自卤素,硝基,羧基或C1-4烷基单取代或二取代,
条件是B和C中至少一个为D-Trp。
及药用载体或赋形剂。
根据本发明,式I三肽衍生物或其立体异构体可选自下面的三肽:1 HIM-CO-NH-CH2-CH2-CO-D-Trp-D-Trp-OH2 HIM-CO-GABA-D-Trp-D-Trp-OH3 HIM-CO-NH-(CH3)2-CO-D-Trp-D-Trp-OH4 HIM-CO-Leu-D-Trp-D-Phe(2-F)-OH5 HIM-CO-Leu-D-Trp-D-Phe(3-F)-OH6 HIM-CO-Leu-D-Trp-D-Phe(4-F)-OH7 HIM-CO-Leu-D-Trp-D-Phe(2-Cl)-OH8 HIM-CO-Leu-D-Trp-D-Phe(3-Cl)-OH9 HIM-CO-Leu-D-Trp-D-Phe(4-Cl)-OH10 HIM-CO-Leu-D-Trp-D-Phe(4-Br)-OH11 HIM-CO-Leu-D-Trp-D-Phe(3-NO2)-OH12 HIM-CO-Leu-D-Trp-D-Phe(3-COOH)-OH13 HIM-CO-Leu-D-Trp-D-Phe(4-COOH)-OH14 HIM-CO-Leu-D-Trp-D-Phe(3-Cl-4-F)-OH15 HIM-CO-Leu-D-Trp-D-Phe(2,4-Cl)-OH16 HIM-CO-Leu-D-Trp-D-Phe(2,5-Cl)-OH17 HIM-CO-Leu-D-Trp-D-Phe(2-CH3-3-Cl)-OH18 HIM-CO-Leu-D-Phe(2-F)-D-Trp-OH19 HIM-CO-Leu-D-Phe(3-F)-D-Trp-OH20 HIM-CO-Leu-D-Phe(4-F)-D-Trp-OH21 HIM-CO-Leu-D-Phe(4-Br)-D-Trp-OH22 HIM-CO-Leu-D-Phe(3-NO2)-D-Trp-OH23 HIM-CO-Leu-D-Phe(4-F-3-Cl)-D-Trp-OH24 HIM-CO-Leu-D-Phe(3-CO-D-Trp-OH)-D-Trp-
OH25 HIM-CO-Leu-D-Phe(4-CO-D-Trp-OH)-D-Trp-
OH26 HIM-CO-Leu-D-Phe(2-CH3-3-Cl)-D-Trp-
OH27 苯氧基-CO-Pro-D-Trp-D-Phe(2-F)-OH28 苯氧基-CO-Pro-D-Trp-D-Phe(3-F)-OH29 苯氧基-CO-Pro-D-Trp-D-Phe(4-F)-OH30 苯氧基-CO-Pro-D-Trp-D-Phe(2-Cl)-OH31 苯氧基-CO-Pro-D-Trp-D-Phe(3-Cl)-OH32 苯氧基-CO-Pro-D-Trp-D-Phe(4-Cl)-OH33 苯氧基-CO-Pro-D-Trp-D-Phe(4-Br)-OH34 苯氧基-CO-Pro-D-Trp-D-Phe((3-NO2)-OH35 苯氧基-CO-Pro-D-Trp-D-Phe(4-F-3-Cl)-OH36 苯氧基-CO-Pro-Trp-D-Phe(2,4-Cl)-OH37 苯氧基-CO-Pro-D-Trp-D-Phe(2,5-Cl)-OH38 苯氧基-CO-Pro-D-Trp-D-Phe(3-COOH)-OH39 苯氧基-CO-Pro-D-Trp-D-Phe(4-COOH)-OH40 苯氧基-CO-Pro-D-Trp-D-Phe(2-CH3-3-Cl)-
OH
o-CPh:
41 o-CPh-D-Trp-D-Phe(2-F)-OH42 o-CPh-D-Trp-D-Phe(3-F)-OH43 o-CPh-D-Trp-D-Phe(4-F)-OH44 o-CPh-D-Trp-D-Phe(2-Cl)-OH45 o-CPh-D-Trp-D-Phe-Cl)-OH46 o-CPh-D-Trp-D-Phe(4-Cl)-OH47 o-CPh-D-Trp-D-Phe(4-Br)-OH48 o-CPh-D-Trp-D-Phe(3-NO2)-OH49 o-CPh-D-Trp-D-Phe(3-COOH)-OH50 o-CPh-D-Trp-D-Phe(4-COOH)-OH51 o-CPh-D-Trp-D-Phe(2,4-Cl)-OH52 o-CPh-D-Trp-D-Phe(2,5-Cl)-OH53 o-CPh-D-Trp-D-Phe(2-CH3-3-Cl)-OH。
根据本发明,式I三肽衍生物或其立体异构体进一步优选下面的三肽:1 HIM-CO-NH-CH2-CH2-CO-D-Trp-D-Trp-OH2 HIM-CO-GABA-D-Trp-D-Trp-OH3 HIM-CO-NH-(CH3)2-CO-D-Trp-D-Trp-OH4 HIM-CO-Leu-D-Trp-D-Phe(2-F)-OH5 HIM-CO-Leu-D-Trp-D-Phe(3-F)-OH6 HIM-CO-Leu-D-Trp-D-Phe(4-F)-OH7 HIM-CO-Leu-D-Trp-D-Phe(2-Cl)-OH8 HIM-CO-Leu-D-Trp-D-Phe(3-Cl)-OH9 HIM-CO-Leu-D-Trp-D-Phe(4-Cl)-OH10 HIM-CO-Leu-D-Trp-D-Phe(4-Br)-OH11 HIM-CO-Leu-D-Trp-D-Phe(3-NO2)-OH12 HIM-CO-Leu-D-Trp-D-Phe(3-COOH)-OH13 HIM-CO-Leu-D-Trp-D-Phe(4-COOH)-OH14 HIM-CO-Leu-D-Trp-D-Phe(3-Cl-4-F)-OH15 HIM-CO-Leu-D-Trp-D-Phe(2,4-Cl)-OH16 HIM-CO-Leu-D-Trp-D-Phe(2,5-Cl)-OH17 HIM-CO-Leu-D-Trp-D-Phe(2-CH3-3-Cl)-OH18 HIM-CO-Leu-D-Phe(2-F)-D-Trp-OH21 HIM-CO-Leu-D-Phe(4-Br)-D-Trp-OH22 HIM-CO-Leu-D-Phe(3-NO2)-D-Trp-OH23 HIM-CO-Leu-D-Phe(4-F-3-Cl)-D-Trp-OH24 HIM-CO-Leu-D-Phe(3-CO-D-Trp-OH)-D-Trp-OH25 HIM-CO-Leu-D-Phe(4-CO-D-Trp-OH)-D-Trp-OH26 HIM-CO-Leu-D-Phe(2-CH3-3-Cl)—D-Trp-OH。
根据本发明,本发明的式I三肽衍生物或其立体异构体可按本领域已知方法、文献方法或下面所示的反应路线1制备:
i.DMF,DCM,NMM,DIC-HOBt ii.1M氢氧化钠,甲醇 iii.1M盐酸
在反应路线1中,式RCO-A-OH化合物(其中R,A如上定义)与B-OP(其中B如上定义,P为C1-4烷基,其可选自甲基,乙基,丙基,异丙基,丁基,仲丁基,异丁基,叔丁基,优选甲基,乙基)在DMF,DCM,NMM,DIC-HOBt中反应,生成式RCO-A-B-OP化合物(其中R,A,B,P如上定义)。将RCO-A-B-OP化合物在1M氢氧化钠/甲醇溶液皂化,然后在1M盐酸中酸化,生成式RCO-A-B-OH化合物(其中,R,A,B如上定义)。将式RCO-A-B-OH化合物于DMF,DCM,NMM,DIC-HOBt中与C-OP(其中,C,P如上定义)反应生成式RCO-A-B-C-OP(其中R,A,B,C,P如上定义)化合物,然后将所得RCO-A-B-C-OP(其中A,B,C,P如上定义)在1M氢氧化钠/甲醇溶液中皂化,然后在1M盐酸酸化,生成式I RCO-A-B-C-OH三肽衍生物或其立体异构体。
根据本发明,式I三肽衍生物的立体异构体包括D-和/或L-构型。
根据本发明,式(I)三肽衍生物及其立体异构体在动物抗Et1受体模型中显示出优良效果,因此可作为心血管药用于动物,优选用于哺乳动物,特别是人。
本发明因此还涉及含有作为活性成份的有效剂量的至少一种式(I)三肽衍生物和/或其立体异构体以及常规药物赋形剂或辅剂的药物组合物。通常本发明药物组合物含有0.1-90重量%的式(I)化合物和/或其立体异构体。药物组合物可根据本领域已知的方法制备。用于此目的时,如果需要,可将式(I)化合物和/或立体异构体与一种或多种固体或液体药物赋形剂和/或辅剂结合,制成可作为人用的适当的施用形式或剂量形式。
本发明的式(I)三肽衍生物或含有它的药物组合物可以单位剂量形式给药,给药途径可为肠道或非肠道,如口服、肌肉、皮下、鼻腔、口腔粘膜、皮肤、腹膜或直肠等。给药剂型例如片剂、胶囊、滴丸、气雾剂、丸剂、粉剂、溶液剂、混悬剂、乳剂、颗粒剂、脂质体、透皮剂、口含片、栓剂、冻干粉针剂等。可以是普通制剂、缓释制剂、控释制剂及各种微粒给药系统。为了将单位给药剂型制成片剂,可以广泛使用本领域公知的各种载体。关于载体的例子是,例如稀释剂与吸收剂,如淀粉、糊精、硫酸钙、乳糖、甘露醇、蔗糖、氯化钠、葡萄糖、尿素、碳酸钙、白陶土、微晶纤维素、硅酸铝等;湿润剂与粘合剂,如水、甘油、聚乙二醇、乙醇、丙醇、淀粉浆、糊精、糖浆、蜂蜜、葡萄糖溶液、阿拉伯胶浆、明胶浆、羧甲基纤维素钠、紫胶、甲基纤维素、磷酸钾、聚乙烯吡咯烷酮等;崩解剂,例如干燥淀粉、海藻酸盐、琼脂粉、褐藻淀粉、碳酸氢钠与枸橼酸、碳酸钙、聚氧乙烯山梨糖醇脂肪酸酯、十二烷基磺酸钠、甲基纤维素、乙基纤维素等;崩解抑制剂,例如蔗糖、三硬脂酸甘油酯、可可脂、氢化油等;吸收促进剂,例如季铵盐、十二烷基硫酸钠等;润滑剂,例如滑石粉、二氧化硅、玉米淀粉、硬脂酸盐、硼酸、液体石蜡、聚乙二醇等。还可以将片剂进一步制成包衣片,例如糖包衣片、薄膜包衣片、肠溶包衣片,或双层片和多层片。为了将给药单元制成丸剂,可以广泛使用本领域公知的各种载体。关于载体的例子是,例如稀释剂与吸收剂,如葡萄糖、乳糖、淀粉、可可脂、氢化植物油、聚乙烯吡咯烷酮、Gelucire、高岭土、滑石粉等;粘合剂如阿拉伯胶、黄蓍胶、明胶、乙醇、蜂蜜、液糖、米糊或面糊等;崩解剂,如琼脂粉、干燥淀粉、海藻酸盐、十二烷基磺酸钠、甲基纤维素、乙基纤维素等。为了将给药单元制成栓剂,可以广泛使用本领域公知的各种载体。关于载体的例子是,例如聚乙二醇、卵磷脂、可可脂、高级醇、高级醇的酯、明胶、半合成甘油酯等。为了将给药单元制成胶囊,将有效成分式(I)三肽衍生物或其立体异构体与上述的各种载体混合,并将由此得到的混合物置于硬的明明胶囊或软胶囊中。也可将有效成分式(I)三肽衍生物或其立体异构体制成微囊剂,混悬于水性介质中形成混悬剂,亦可装入硬胶囊中或制成注射剂应用。为了将给药单元制成注射用制剂,如溶液剂、乳剂、冻干粉针剂和混悬剂,可以使用本领域常用的所有稀释剂,例如,水、乙醇、聚乙二醇、1,3-丙二醇、乙氧基化的异硬脂醇、多氧化的异硬脂醇、聚氧乙烯山梨醇脂肪酸酯等。另外,为了制备等渗注射液,可以向注射用制剂中添加适量的氯化钠、葡萄糖或甘油,此外,还可以添加常规的助溶剂、缓冲剂、pH调节剂等。
此外,如需要,也可以向药物制剂中添加着色剂、防腐剂、香料、矫味剂、甜味剂或其它材料。
本发明式(I)三肽衍生物或其立体异构体的给药剂量取决于许多因素,例如所要预防或治疗疾病的性质和严重程度,患者或动物的性别、年龄、体重及个体反应,所用的具体化合物,给药途径及给药次数等。上述剂量可以单一剂量形式或分成几个,例如二、三或四个剂量形式给药。
下面的实施例及生物活性实验用来进一步说明本发明,但这并不意味着对本发明的任何限制。制备例1 D,L-N-3-硝基-苯丙氨酸及其衍生物的合成1.1 D,L-3-硝基-苯丙氨酸(1aa)3-硝基-苯胺100克(0.725mol)悬浮于500毫升水和500毫升浓盐酸中,维持内温不高于零下5℃,搅拌条件下滴加亚硝酸钠59.0克(0.908mol)/150毫升水溶液,亚硝酸钠加毕,反应液澄清,继续搅拌20分钟。加入2.0克脲,再搅拌10分钟,随后加入48.0克醋酸钠,反应液为黄色透明溶液。另外,预先将110毫升丙烯酸、300毫升丙酮与26.0克水合氯化铜/80毫升水溶液混合,室温下将此溶液加入上述重氮盐溶液中,逐渐升温(25~100℃/0.5小时),60~70℃产生大量气泡,颜色逐渐加深为棕色,产气完毕,停止加热。冷却后分层,分出有机相,水相用三氯甲烷提取(2×150毫升),合并有机相,用水洗(3×150毫升),浓缩有机相得到红棕色油状物。浓缩物用氨水溶成500毫升,放热,用水稀释为5000毫升澄清溶液,冷却条件下充入足量的氨气,溶液置于10升高压釜中,60℃、70℃、80℃各反应一天,90℃反应两天。冷却后开启高压釜,取出反应液,减压浓缩至400毫升,加入500毫升工业酒精,冰箱中冷却,析出白色固体,抽滤,固体干燥,约100克。1.2 D,L-3-硝基-苯丙氨酸乙酯盐酸盐(1bb)将600毫升无水乙醇冰盐浴冷却至零下10℃,搅拌条件下缓慢滴入180毫升二氯亚砜,维持内温零下5℃以下,20分钟后加入(1aa)粗品100克,室温下搅拌两天,再回流两小时,趁热滤除不溶物(无机盐)约25克,溶液减压蒸干,有白色固体析出,加入无水乙醇反复浓缩二次,得(1bb)52.0克(收率26.1%,按3-硝基苯胺计),m.p.184~186℃。FAB-MS m/z 239(M+1-HCl)。1.3 D,L-N-乙酰-3-硝基苯丙氨酸乙酯(1cc)将(1bb)40.0克(0.146mol)加入150毫升干燥的三氯甲烷中,搅拌溶解,加入45.0毫升(0.323mol)三乙胺,析出白色固体(三乙胺盐酸盐),室温下滴加30毫升(0.322mol)醋酐,反应放热,滴加完醋酐后继续搅拌1小时。减压浓缩,加入50毫升水,减压浓缩除去醋酸,加入100毫升水,冷却,油状物固化,滤集固体,干燥,用乙酸乙酯-石油醚(60-90℃)重结晶,得到絮状晶体,滤集干燥得(1cc)40.2克(98.5%),m.p.86~87℃TLC Rf=0.68(A,乙酸乙酯:石油醚/80∶20,254nm显色);1HNMR(CDCl3):δ1.27(t,J=7.08Hz,-OCH2CH3),2.01(s,3H,-COCH3),3.21(m,2H,β-H),4.20(q,J=7.08Hz,2H,-OCH2CH3),4.88(m,1H,α-H),6.06(s,1H,5-NH),7.46-8.13(m,4H,Ar-H)。IR 3260(NH),2976(CH),1738(C=O,COOEt),1646(C=O,NHCOCH3),1560,1523(CH,苯环),809,738,689(苯环间位硝基取代)。
元素分析 C H N(%)
C13H16N2O3 理论值:55.71 5.75 9.99
280.28 测试值:55.68 5.67 9.52制备例2 2-氟-苯丙氨酸及其衍生物的合成2.1 D,L-2-氟-苯丙氨酸(2aa)方法及投量比同(1aa)的合成。2-氟-苯胺25毫升(0.256mol)。用高压釜氨解时,55℃七天,减压浓缩至约100毫升,用浓盐酸酸化至pH4~5,析出固体,冰箱放置过夜,滤集固体,干燥得(2aa)粗品约17克。2.2 D,L-2-氟-苯丙氨酸乙酯盐酸盐(2bb)方法同(1bb)。投入(2aa)粗品17.0克。浓缩反应液后,加入10毫升无水乙醇和50毫升乙醚,0℃以下放置一周,析出无色针状结晶,滤集晶体,得(2bb)16.0克(24.7%,以2-氟苯胺计),m.p.112~115℃。FAB-MS m/z 212(M+1-HCl)。2.3 D,L-N-乙酰-2-氟-苯丙氨酸乙酯(2cc)方法同(1cc)。投入(2bb)16.0克(0.065mol)。浓缩后,加入乙酸乙酯100毫升,依次用水、1M盐酸、饱和碳酸氢钠和饱和氯化钠溶液洗涤,乙酸乙酯层用无水硫酸钠干燥过夜,过滤,浓缩,加入乙醚-石油醚冷却析出无色晶体。滤集,得(2cc)13.0克(79.0%),m.p.58~61℃。TLC Rf=0.63(A)。1HNMR(CDCl3):δ1.22(t,J=7.12Hz,-OCH2CH3),1.96(s,3H,-COCH3),3.14(m,2H,β-H),4.15(m,2H,-OCH2CH3),4.82(m,1H,α-H),5.98(s,1H,α-NH),6.98-7.22(m,4H,Ar-H)。IR 3334(NH),2964(CH),1726(C=O,COOEt),1646(C=O,NHCOCH3),1553,1498(CH,苯环),753(苯环邻氟取代)。
元素分析 C H N(%)
C13H16NFO3 理论值:61.65 6.37 5.53
测试值:61.65 6.44 5.75制备例3 3-氟-苯丙氨酸及其衍生物的合成3.1 D,L-3-氟-苯丙氨酸(3aa)方法及投量比同(1aa)的合成。3-氟-苯胺25毫升(0.256mol)。用高压釜氨解时,50℃八天,减压浓缩至约100毫升,用浓盐酸酸化至pH4~5,析出固体,冰箱放置过夜,滤集固体,干燥得(3aa)粗品约25克。FAB-MS m/z 184(M+1)。3.2 D,L-3-氟-苯丙氨酸乙酯盐酸盐(3bb)方法同(1bb)。投入(3aa)粗品24.0克。浓缩反应液后,加入10毫升无水乙醇和50毫升乙醚,0℃以下放置,析出无色针状结晶,滤集晶体,得(3bb)20.0克(31.4%,以3-氟苯胺计),m.p.119~121℃。3.3 D,L-N-乙酰-3-氟-苯丙氨酸乙酯(3cc)方法同(1cc)。投入(3bb)20.0克(0.080mol)。浓缩后,加入乙酸乙酯100毫升,依次用水、1M盐酸、饱和碳酸氢钠和饱和氯化钠溶液洗涤,乙酸乙酯层用无水硫酸钠干燥过夜,过滤,浓缩,加入乙醚-石油醚冷却析出无色晶体。滤集,得(3cc)16.0克(78.9%),m.p.75~77℃。TLC Rf=0.60(A)。1HNMR(CDCl3):δ1.25(t,J=7.32Hz,-OCH2CH3),2.00(s,3H,-COCH3),3.12(m,2H,β-H),4.18(q,J=7.32Hz,2H,-OCH2CH3),4.85(m,1H,α-H),6.00s,1H,α-NH),6.80-7.27(m,4H,Ar-H)。IR3334(NH),2989,2939(CH),1732(C=O,COOEt),1646(C=O,NHCOCH3),1529(CH,苯环),776,701(苯环间氟取代)。
元素分析 C H N(%)
C13H16NFO3 理论值:61.65 6.37 5.53
253.27 测试值:61.70 6.26 5.37制备例4 4-氟-苯丙氨酸及其衍生物的合成4.1 D,L-4-氟-苯丙氨酸(4aa)方法及投量比同(1aa)的合成。4-氟-苯胺100毫升(1.04mol)。室温下氨解7个月,减压浓缩至约300毫升,用浓盐酸酸化至pH3,析出固体,冰箱放置过夜,滤集固体,干燥得(4aa)粗品约150克。4.2 D,L-4-氟-苯丙氨酸乙酯盐酸盐(4bb)方法同(3bb)。投入(4aa)粗品150.0克。得(4bb)81.0克(31.5%,以4-氟苯胺计),m.p.130~132℃。FAB-MS m/z 212(M+1-HCl)。4.3 D,L-N-乙酰-4-氟-苯丙氨酸乙酯(4cc)方法同(3cc)。投入(4bb)40.0克(0.162mol)。得(4cc)39.0克(95.0%),m.p.71~73℃。TLCRf=0.68(A)。1HNMR(CDCl3):δ1.25(t,J=7.02Hz,-OCH2CH3),2.00(s,3H,-COCH3),3.10(m,2H,β-H),4.17(m,2H,-OCH2CH3),4.84(m,1H,α-H),6.01(s,1H,α-NH),6.95-7.09(m,4H,Ar-H)。IR 3309(NH),3087,2989(CH),1756(C=O,COOEt),1658(C=O,NHCOCH3),1553,(CH,苯环),830,800,707(苯环对氟取代)。
元素分析 C H N(%)
C13H16NFO3 理论值:61.65 6.37 5.53
测试值:61.56 6.30 5.25制备例5 2-氯-苯丙氨酸及其衍生物的合成5.1 D,L-2-氯-苯丙氨酸(5aa)方法及投量比同(1aa)的合成。2-氯-苯胺51.5克(0.40mol)。室温下氨解5个月。减压浓缩至约300毫升,用浓盐酸酸化至pH3,析出固体。得19.8克。浓缩滤液,冰箱中放置过夜,得白色固体,干燥后重28.0克。合并共重47.8克。5.2D,L-N-乙酰-2-氯-苯丙氨酸(5bb)(5aa)15.6克(0.078mol)溶于2mol/L NaOH 156ml,保持零下5℃,滴加醋酐15毫升,10分钟后,加入23毫升浓盐酸,pH约为3,冰箱中放置过夜,得白色固体,干燥后重14.0克。收率74%。熔点158~160℃5.3 D,L-N-乙酰-2-氯-苯丙氨酸乙酯(5cc)方法同(1bb)。(5bb)13.3克,无水乙醇170毫升,二氯亚砜8.5毫升。室温下反应4小时,减压浓缩,残液倒入500毫升水中,冰箱中放置过夜,过滤干燥得12.0克(81%)。熔点63~65℃。TLC Rf=0.61(A)1HNMR(CDCl3):δ1.25(t,J=7.12Hz,-OCH2CH3),2.00(s,3H,-COCH3),3.20~3.36(m,2H,β-H),4.14~4.24(m,2H,-OCH2CH3),4.94(m,1H,α-H),6.04(s,1H,α-NH),7.22~7.40(m,4H,Ar-H)。FAB-MS m/z 270.2(M)IR3334(NH),3063,2976(CH),1726(C=O,COOEt),1640(C=O,NHCOCH3),1547(CH,苯环),750(苯环邻氯取代)。
元素分析 C H N(%)
C13H16NClO3 理论值 57.89 5.98 5.19
MW.269.71 测试值:58.30 5.94 4.80制备例6 3-氯-苯丙氨酸及其衍生物的合成6.1 D,L-3-氯-苯丙氨酸(6aa)方法及投量比同(1aa)的合成。间氯苯胺96.0克(0.784mol)。高压釜中(60℃)氨解十天。浓缩过滤,得粗品87克,经乙醚洗得干燥品66克。6.2 D,L-3-氯-苯丙氨酸乙酯盐酸盐(6bb),方法同(1bb)。粗品(6a)66克(0.33mol)。无水乙醇400毫升,二氯亚砜110毫升。浓缩,用乙醚研出固体,过滤,乙醚洗涤固体,得白色固体63.0克,熔点:138.5~140.5℃。按3-氯苯胺计,全程收率31.7%FAB-MS m/z 228.0(M+1,-HCl)6.3 D,L-N-乙酰-3-氯-苯丙氨酸乙酯(6cc)方法同(1cc)。投入(6b)40.0克(0.162mol)。得(6cc)40.0克(98.0%),m.p.88~90℃。TLC/Rf=0.69(A)。1HNMR(CDCl3):δ1.24(t,J=7.25Hz,-OCH2CH3),1.99(s,3H,-COCH3),3.08(m,2H,β-H),4.16(m,2H,-OCH2CH3),4.84(m,1H,α-H),6.06(s,1H,α-NH),6.98~7.26(m,4H,Ar-H)。IR 3334(NH),2989(CH),1750(C=O,COOEt),1652(C=O,NHCOCH3),1547(CH,苯环),880,787,692(苯环间氯取代)。
元素分析 C H N(%)
C13H16NClO3 理论值:57.89 5.98 5.19
MW.269.71 测试值:57.86 5.93 5.08制备例7 4-溴-苯丙氨酸及其衍生物的合成7.1 D,L-4-溴-苯丙氨酸(7aa)方法及投量比同(1aa)的合成。对溴苯胺100.0克(0.58mol)。室温氨解半年。浓缩过滤,得粗品81克。水不溶。FAB-MS m/z 245.2(M+1,)7.2 D,L-4-溴-苯丙氨酸乙酯盐酸盐(7bb),方法同(1bb)。粗品(7aa)80克(0.33mol)。无水乙醇400毫升,二氯亚砜150毫升。浓缩,用乙醚研出固体,过滤,乙醚洗涤固体,得白色固体61.0克,熔点:166~168℃。按对溴苯胺计,全程收率34.0%。7.3 D,L-N-乙酰-4-溴-苯丙氨酸乙酯(7cc)方法同(1cc)。投入(7bb)40.0克(0.143mol)。得(7cc)42.0克(94.0%),熔点90~92℃。TLC/Rf=0.57(A)。1HNMR(CDCl3):δ1.23(t,J=7.14Hz,-OCH2CH3),1.97(s,3H,-COCH3),3.04(m,2H,β-H),4.14(m,2H,-OCH2CH3),4.82(m,1H,α-H),5.90(s,1H,α-NH),5.94~7.39(m,4H,Ar-H)。IR 3334(NH),3001(CH),1744(C=O,COOEt),1652(C=O,NHCOCH3),1535(CH,苯环),815(苯环对溴取代)。
元素分析 C H N(%)
C13H16NBrO3 理论值:49.70 5.13 4.46
MW.314.11 测试值:49.77 4.99 4.16制备例8 4-氟-3-氯-苯丙氨酸及其衍生物的合成8.1 D,L-4-氟-3-氯-苯丙氨酸8aa)方法及投量比同(1aa)的合成。4-氟,3-氯-苯胺145克(1.00mol)。室温下氨解10个月,减压浓缩至约500毫升,用浓盐酸酸化至pH3,析出固体,冰箱放置过夜,滤集固体,干燥得(8aa)粗品约196.0克。FAB-MS m/z 218(M),220(M+2)。8.2 D,L-4-氟-3-氯-苯丙氨酸乙酯盐酸盐(8bb)方法同(1bb)。投入(8a)粗品196.0克。得(8bb)126.0克(44.6%,以4-氟,3-氯-苯胺计),熔点:136~138℃。8.3 D,L-N-乙酰-4-氟-3-氯-苯丙氨酸乙酯(8cc)方法同(1cc)。投入(8bb)41.0克(0.145mol)。得(8cc)39.6克(94.7%),熔点:106~107℃。TLC/Rf=0.54(A)。1HNMR(CDCl3):δ1.26(t,J=7.02Hz,-OCH2CH3),2.02(s,3H,-COCH3),3.10(m,2H,β-H),4.19(q,J=7.02Hz,2H,-OCH2CH3),4.80(q,1H,α-H),6.01(s,1H,α-NH),6.96-7.16(m,3H,Ar-H)。IR 3297(NH),3001(CH),1750(C=O,COOEt),1652(C=O,NHCOCH3),1553,(CH,苯环),886,827,695(苯环对氟间氯取代)。
元素分析 C H N(%)
C13H15NFClO3 理论值:54.27 5.25 4.87
测试值:54.11 5.15 4.86制备例9 2,4-二氯-苯丙氨酸及其衍生物的合成9.1 D,L-2,4-二氯-苯丙氨酸(9aa)方法及投量比同(1aa)的合成。2,4-二氯-苯胺80克(0.50mol)。室温下氨解10个月,减压浓缩至约500毫升,用浓盐酸酸化至pH3,析出固体,滤集固体,干燥得(9aa)粗品约103.0克。9.2 D,L-2,4-二氯-苯丙氨酸乙酯盐酸盐(9bb),方法同(1bb)。投入(9aa)粗品100克。得(9bb)59.0克(32.1%,2,4-二氯-苯胺计),熔点:180~182℃。FAB-MS m/z 262.0(M),264(M+2)。9.3 D,L-N-乙酰-2,4-二氯-苯丙氨酸乙酯(9cc)方法同(1cc)。投入(9bb)54.4克(0.182mol)。得(9cc)53.0克(96.0%),熔点:109~111℃。TLC/Rf=0.66(A)。1HNMR(CDCl3):δ1.21(t,J=7.18Hz,-OCH2CH3),1.92(s,3H,-COCH3),3.19(m,2H,β-H),4.13(q,J=7.02Hz,2H,-OCH2CH3),4.85(q,1H,α-H),5.97(s,1H,α-NH),7.11~7.36(m,3H,Ar-H)。IR 3322(NH),2989(CH),1726(C=O,COOEt),1646(C=O,NHCOCH3),1553,(CH,苯环),867,849,818(苯环对氯邻氯取代)。
元素分析 C H N(%)
C13H15NCl2O3 理论值:51.33 4.97 4.60
测试值:51.38 4.92 4.34制备例10 2,5-二氯-苯丙氨酸及其衍生物的合成10.1 D,L-2,5-二氯-苯丙氨酸(10aa)方法及投量比同(1aa)的合成。2,5-二氯-苯胺80克(0.50mol)。500毫升氨水(25%),2000毫升乙醇,100毫升吡啶,0℃充氨,50℃氨解10天,减压浓缩至干。1000毫升水充分溶解,滤除不溶物,滤液减压浓缩至约300毫升,用浓盐酸酸化至pH3,析出固体,滤集固体,干燥得(10aa)粗品约25克。10.2 D,L-2,5-二氯-苯丙氨酸乙酯盐酸盐(10bb),方法同(1bb)。投入(10aa)粗品25克。得(10bb)16克(8.7%,2,5-二氯-苯胺计),熔点:184~188℃。(软化,变黑)FAB-MS m/z 262.0(M),264(M+2)。10.3 D,L-N-乙酰-2,5-二氯-苯丙氨酸乙酯(10cc)方法同(1c)。投入(10bb)20.7克(0.069mol)。得(10cc)19.20克(91.0%),熔点:116~118℃。TLC/Rf=0.63(A)。1HNMR(CDCl3):δ1.23(t,J=7.15Hz,-OCH2CH3),1.98(s,3H,-COCH3),3.22(m,2H,β-H),4.14(q,J=7.08Hz,2H,-OCH2CH3),4.87(q,1H,α-H),6.01(s,1H,α-NH),7.14~7.36(m,3H,Ar-H)。IR 3297(NH),3075,2989(CH),1744(C=O,COOEt),1658(C=O,NHCOCH3),1541(CH,苯环),815,713(苯环2,5-二氯取代)。元素分析 C H N(%)C13H15NCl2O3 理论值:51.33 4.97 4.60
测试值:51.43 4.98 4.39制备例11 3,4-二氯-苯丙氨酸及其衍生物的合成11.1 D,L-3,4-二氯-苯丙氨酸(11aa)方法及投量比同(1aa)的合成。3,4-二氯-苯胺250克(1.56mol)。50℃氨解7天,减压浓缩至约1000毫升,用浓盐酸酸化至pH3,析出固体,滤集固体,干燥得(11aa)粗品约287.0克。11.2 D,L-3,4-二氯-苯丙氨酸甲酯盐酸盐(11bb),方法同(1bb)。投入(11aa)粗品287克。得(11bb)159.0克(36.2%,3,4-二氯-苯胺计),熔点:127~130℃。FAB-MS m/z 249.0(M),251(M+2)。11.3 D,L-N-乙酰-3,4-二氯-苯丙氨酸甲酯(11cc)方法同(1c)。投入(11bb)11.0克(0.039mol)。得(11cc)8.0克(71.3%),熔点:101~103℃。TLC/Rf=0.62(A)。1HNMR(CDCl3):δ1.20(t,J=7.12Hz,-OCH2CH3),2.09(s,3H,-COCH3),3.15(m,2H,β-H),4.13(q,J=7.11Hz,2H,-OCH2CH3),4.85(q,1H,α-H),5.97(s,1H,α-NH),7.05~7.36(m,3H,Ar-H)。IR 3322(NH),3075,2964(CH),1732(C=O,COOEt),1652(C=O,NHCOCH3),1547(CH,苯环),898,830(苯环对氯间氯取代)。制备例12 2-氯,4-溴-苯丙氨酸及其衍生物的合成12.1 2-氯,4-溴-苯丙氨酸(12aa)方法及投量比同(1aa)的合成。2-氯,4-溴-苯胺10克(0.048mo1)。室温氨解5个月,减压浓缩至约100毫升,用浓盐酸酸化至pH3,析出固体,滤集固体,干燥得(12aa)粗品约5.6克。12.2 D,L-2-氯,4-溴-苯丙氨酸乙酯盐酸盐(12bb),方法同(1bb)。投入(11aa)粗品5.6克。得(12bb)5.1克(30.7%,2-氯,4-溴-苯胺计),熔点:172~174℃。FAB-MS m/z 308.0(M+1)。1HNMR(CDCl3):δ1.20(t,J=7.02Hz,-OCH2CH3),3.28~3.34,3.42~3.48(m,2H,β-H),4.21~4.26,(m,2H,-OCH2CH3),4.45(m,2H,α-NH2),7.25~7.74(m,3H,Ar-H)。IR 3445(NH2.HCl),2939(CH),1750(C=O,COOEt),1590(CH,苯环),855,821(苯环对溴邻氯取代)。元素分析 C H N(%)C11H14NBrCl2O2 理论值:38.51 4.11 4.08MW.343.05 测试值:38.56 4.18 4.02制备例13 3-氯,2-甲基-苯丙氨酸及其衍生物的合成13.1 3-氯,2-甲基-苯丙氨酸(13aa)方法及投量比同(1aa)的合成。3-氯,2-甲基-苯胺142克(1.0mol)。室温氨解5个月,减压浓缩至约100毫升,用浓盐酸酸化至pH3,析出固体,滤集固体,干燥得(13aa)粗品约105.6克。13.2 D,L-3-氯,2-甲基-苯丙氨酸乙酯盐酸盐(13bb),方法同(1b)。投入(13aa)粗品105.6克。得(13bb)74.0克(26.7%,3-氯,2-甲基-苯胺计),熔点:142~4℃。FAB-MS m/z 242.2(M-HCl)。13.3 D,L-N-乙酰-3-氯,2-甲基-苯丙氨酸乙酯(13cc)方法同(1cc)。投入(13bb)19.0克(69mmol)。得(13cc)19.0克(98.1%),熔点:106~107℃。TLC/Rf=0.73(A)。1HNMR(CDCl3):δ1.16(t,J=7.32Hz,-OCH2CH3),1.96(s,3H,-COCH3),3.01(m,2H,β-H),4.12(q,J=7.11Hz,2H,-OCH2CH3),4.82(q,1H,α-H),6.08(s,1H,α-NH),7.01~7.27(m,3H,Ar-H)。IR 3284(NH),3075,2976,2939(CH),1756(C=O,COOEt),1652(C=O,NHCOCH3),1560,1498(CH,苯环),796,707(苯环2-甲基,3-氯取代)。元素分析 C H N(%)C14H18NClO3 理论值:59.26 6.39 4.94
测试值:59.47 6.42 4.72制备例14 4-硝基,2-甲基-苯丙氨酸及其衍生物的合成14.1 4-硝基,2-甲基-苯丙氨酸(14aa)方法及投量比同(1aa)的合成。4-硝基,2-甲基-苯胺50克(0.33mol)。室温氨解5个月,减压浓缩至约100毫升,用浓盐酸酸化至pH3,析出固体,滤集固体,干燥得(14aa)粗品约32.6克。14.2 D,L-4-硝基,2-甲基-苯丙氨酸乙酯盐酸盐(14bb),方法同(1bb)。投入(14aa)粗品32.6克。得(14b)26.0克(27.4%,4-硝基,2-甲基-苯胺),熔点:172~5℃。FAB-MS m/z 253.0(M+1-HCl)。14.3 D,L-N-乙酰-4-硝基,2-甲基-苯丙氨酸乙酯(14cc)方法同(1cc)。投入(14bb)19.0克(66 mmol)。得(14cc)12.5克(64.6%),熔点:114~6℃。TLC/Rf=0.64(A)。1HNMR(CDCl3):δ1.22(t,J=7.02Hz,-OCH2CH3),2.00(s,3H,-COCH3),3.22(m,2H,β-H),4.19(q,J=7.02Hz,2H,-OCH2CH3),4.88(q,1H,α-H),6.14(s,1H,α-NH),7.27~8.03(m,3H,Ar-H)。IR 3334(NH),2989(CH),1732(C=O,COOEt),1640(C=O,NHCOCH3),1517(CH,苯环),913,843,800,744(苯环邻甲基对硝基取代)。元素分析 C H N(%)C14H18N2O5 理论值:57.14 6.16 9.52
测试值:56.99 6.19 9.48制备例15 4-羧基-苯丙氨酸及其衍生物的合成15.1 D,L-4-羧基-苯丙氨酸(15aa)将68.0克(0.5mol)4-羧基-苯胺与40.0克(0.29mol)碳酸钾/200毫升水混合溶解,搅拌加入35克(0.507mol)亚硝酸钠,形成红色溶液。500毫升浓盐酸/200毫升水搅拌冷却至-5℃,滴加入上述红色溶液,控制反应温度-5℃以下。20分钟后加入0.5克脲,搅拌20分钟,再加入30.0克醋酸钠,溶解,得到亮黄色的重氮盐。将预先配好的75毫升丙烯酸、100毫升丙酮与18克水合氯化铜/50毫升水溶液的混合液,加入至上述重氮盐中,逐渐升温,50~80℃产气,产气结束后冷却,形成大量略带粉红色的沉淀,滤集固体,用2000氨水,密封,室温放置9个月,滤去不溶物,滤液减压浓缩,酸化至pH4,析出沉淀,滤集固体,干燥得(15aa)粗品84.8克。15.2 D,L-4-羧基-苯丙氨酸二乙酯盐酸盐(15bb)方法同(3bb)。投入(15aa)粗品84.8克。得(15bb)白色晶体60.0克(40.1%,以4-羧基-苯胺计),m.p.137~139℃。FAB-MS m/z 266(M+1-HCl)。15.3 D,L-N-乙酰-4-羧基-苯丙氨酸二乙酯(15cc)方法同(3cc)。投入(15bb)40.0克(0.133mol)。得(15cc)34.0克(83.5%),m.p.89.5~90.5℃。TLC Rf=0.56(A)。1HNMR(CDCl3):δ1.25(t,J=7.02Hz,-OCH2CH3),1.38(t,J=7.02Hz,3H,Ar-CO2CH2CH3),2.00(s,3H,-COCH3),3.18(m,2H,β-H),4.17(m,2H,-OCH2CH3),4.36(q,J=7.02Hz,2H,Ar-CO2CH2CH3),4.88(m,1H,α-H),5.99(d,1H,α-NH),7.1-7.98(m,4H,Ar-H)。IR 3247(NH),3075,2989(CH),1738,1707(C=O,COOEt),1646(C=O,NHCOCH3),855,766(苯环对羧基乙酯取代)。元素分析 C H N(%)C16H21NO5 理论值:62.53 6.89 4.563O7.34 测试值:62.56 6.85 4.46制备例16 3-羧基-苯丙氨酸及其衍生物的合成16.1 D,L-3-羧基-苯丙氨酸(16aa)3-氨基-苯甲酸100克(0.73mol)70~80℃氨解4天。减压浓缩至约100毫升,用浓盐酸酸化至pH3,析出固体,滤集固体,干燥得(16aa)粗品约92.6克。16.2 D,L-3-羧基-苯丙氨酸二乙酯盐酸盐(16bb)方法同(3bb)。投入(16aa)粗品92.6克。得(16bb)白色晶体65.0克(29.5%,以3-羧基-苯胺计),m.p.165~7℃。FAB-MS m/z 266.1(M+1-HCl)。1HNMR(CDCl3):δ1.29(t,J=7.12Hz,-OCH2CH3),1.42(t,J=7.08Hz,3H,Ar-CO2CH2CH3),3.25(m,2H,β-H),4.19(m,2H,-OCH2CH3),4.39(q,J=7.02Hz,2H,Ar-CO2CH2CH3),5.02(m,1H,α-H),6.09(d,1H,α-NH),7.21-8.08(m,4H,Ar-H)。元素分析 C H N(%)C14H20NClO4 理论值:55.72 6.68 4.64301.77 测试值:55.78 6.62 4.6216.3 D,L-N-乙酰-4-羧基-苯丙氨酸二乙酯(16cc)方法同(3cc)。投入(16bb)54.0克(0.18mol)。得(16cc)54.5克(99.1%),红色油状物,待拆分用。制备例17 2-羧基-苯丙氨酸及其衍生物的合成17.1 D,L-2-羧基-苯丙氨酸(17aa)2-氨基-苯甲酸100克(0.73mol)50℃氨解4天。减压浓缩至约100毫升,用浓盐酸酸化至pH3,析出固体,滤集固体,干燥得(17aa)粗品约88.6克。17.2 1-氨基-2-羰基-(3,4)苯并-6-羧基乙酯(17bb)。方法同(3bb)。投入(17aa)粗品88.6克。得(17bb)白色晶体74.0克(46.3%,以2-羧基-苯胺计),m.p.87~9℃。FAB-MS m/z 221.0(M+2)。1HNMR(CDCl3):δ1.15(t,J=7.01Hz,-OCH2CH3),3.24~3.45(m,2H,β-H),4.15(m,J=7.08Hz,2H,-OCH2CH3),5.13(m,J=5.49Hz,1H,α-H),7.22-8.08(m,4H,Ar-H)。IR 3445(NH),2989(CH),1750(C=O,COOEt),1726(C=O,-NHCO-),1553,1498(CH,苯环),757(苯环邻羰基取代)。元素分析 C H N(%)C12H13NO3 理论值:65.74 5.98 6.39219.24 测试值:65.78 6.02 6.35制备例18 D,L-N-乙酰-3-硝基-苯丙氨酸乙酯的拆分18.1 D-N-乙酰-3-硝基-苯丙氨酸乙酯(1AA)。D,L-N-乙酰-3-硝基-苯丙
氨酸乙酯16.3克(58mmol)研成粉末,悬浮于200毫升0.1M KH2PO4
和K2HPO4溶液中,水浴恒温至37℃,用1M NaOH溶液调pH7.4,加入
20.0毫克α-糜蛋白酶,缓慢搅拌,pH缓慢下降,用2M KOH溶液维持
pH7.4,搅拌至pH稳定,继续搅拌2小时。反应液用乙酸乙酯提取(3
×100毫升),合并有机相,饱和氯化钠溶液洗一次,无水硫酸钠干燥
后浓缩至30毫升,加入石油醚,析出淡黄色针状结晶,滤集,得(1AA)
7.8克(95.7%),m.p.109~110℃,[α]27 D=-9.90°(c=1.02,无水甲
醇)。18.2 L-N-乙酰-3-硝基-苯丙氨酸(1BB)上述拆分萃取后的水相中用
浓盐酸调至pH2~3,用乙酸乙酯提取(3×100毫升),合并有机相,
以饱和氯化钠溶液洗一次,无水硫酸钠干燥后,40℃以下减压浓缩,
得到(1B)淡黄色固体6.8克(92.7%),m.p.167~169℃,
[α]27 D=+31.09°(c=1.01,无水甲醇)。18.3 D-3-硝基-苯丙氨酸盐酸盐(1CC)(1AA)5.00克(18mmol),在100
毫升6M盐酸中回流6小时,减压蒸干,加无水乙醇浓缩一次,加入
50毫升乙酸乙酯滤集固体,得(1CC)淡黄色针晶4.38克(99.8%),
m.p.241~243℃(分解),[α]25 D=-9.4°(c=1.05,无水甲醇)。18.4 L-3-硝基-苯丙氨酸盐酸盐(1DD)(1BB)5.00克(20mmol),同上
法处理。得(1DD)白色细针状晶体4.65克(95.1%),m.p.229~232
℃(分解),[α]25 D=+8.0°(c=1.01,无水甲醇)。18.5 D-N-乙酰-3-硝基-苯丙氨酸(1EE)(1AA)1.00克(3.64mmol),
加入10毫升甲醇溶解,冷却搅拌条件下加入3毫升2M氢氧化钾溶液,
20分钟后,加入1M盐酸调至pH8.0,40℃以下减压蒸干,加入15毫
升水溶解,用1M盐酸酸化至pH2~3,乙酸乙酯提取(3×20毫升),
合并有机相,无水硫酸钠干燥后,减压浓缩得淡黄色固体(1EE)0.88
克(98.0%),m.p.162~164℃。[α]20 D=-33.9°(c=1.27,无水甲醇)。18.6 D-3-硝基-苯丙氨酸甲酯盐酸盐(1FF)。1.00克(1CC),SOCl2/CH3OH
法。得(1F)1.05克(99.3%)m.p.174~6℃。
[α]20 D=-13.5(c=0.88,无水甲醇)。18.7 L-3-硝基-苯丙氨酸甲酯盐酸盐(1GG)。1.00克(1DD),
SOCl2/CH3OH法。得(1GG)1.05克(99.4%)m.p.170~2℃。[α]20 D=+14.1(c=1.02,无水甲醇)。制备例19 D,L-N-乙酰-2-氟-苯丙氨酸乙酯的拆分19.1 D-N-乙酰-2-氟-苯丙氨酸乙酯(2AA)拆分方法同(1AA)项。D,L-N-乙酰-2-氟-苯丙氨酸乙酯12.16克(47.7mmol),得(2AA)5.50克(90.5%),为无色油状物。19.2 L-N-乙酰-2-氟-苯丙氨酸(2BB)拆分方法同(1BB)项。得白色固
体4.76克(88.O%),m.p.163~165℃,[α]20 D=+33.90°(c=1.28,无
水甲醇)。19.3 D-2-氟-苯丙氨酸盐酸盐(2CC)方法同(1CC)项。(2AA)4.73克
(18.7mmol),得(2CC)白色固体4.01克(97.7%),m.p.215~218
℃,[α]25 D=-12.2°(c=1.02,无水甲醇)。19.4 L-2-氟-苯丙氨酸盐酸盐(2DD)方法同(1DD)项。(2BB)4.20克
(18.7mmol),得(2D)白色细针状晶体4.09克(99.8%),m.p.221~
223℃,[α]25 D=+14.50°(c=1.02,无水甲醇)。19.5 D-N-乙酰-2-氟-苯丙氨酸(2EE)方法同(1EE)项。(2AA)1.00
克(3.96mmol),得(2EE)白色固体0.65克(73.1%),m.p.156~159
℃。[α]20 D=-37.9°(c=1.02,无水甲醇)。19.6 D-2-氟-苯丙氨酸甲酯盐酸盐(2FF)。1.00克(2CC H2O),SOCl2/CH3OH
法。得(2FF)0.88克(89.5%)m.p.176~8℃。[α]20 D=-25.54(c=1.21,
无水甲醇)。19.7 L-2-氟-苯丙氨酸甲酯盐酸盐(2GG)。1.00克
(2DD·H2O),SOCl2/CH3OH法。得(2GG)0.97克(98.6%)m.p.176~7℃。
[α]20 D=+29.33(c=0.75,无水甲醇)。制备例20 D,L-N-乙酰-3-氟-苯丙氨酸乙酯的拆分20.1 D-N-乙酰-3-氟-苯丙氨酸乙酯(3AA)拆分方法同(1AA)项。
D,L-N-乙酰-3-氟-苯丙氨酸乙酯15.28克(62.5mmol),得(3AA)无色
针晶7.24克(91.5%),m.p.107~108℃,[α]25 D=-8.14°(c=1.02,
无水甲醇)。20.2 L-N-乙酰-3-氟-苯丙氨酸(3BB)方法同(1BB)项。得(3BB)白色
固体6.71克(95.4%),m.p.151~154℃,[α]25 D=+31.59°(c=0.997,
无水甲醇)。20.3 D-3-氟-苯丙氨酸盐酸盐(3CC)方法同(1CC)项。(3AA)5.00克
(19.8mmol),得(3CC)白色固体4.32克(99.6%),m.p.237~239
℃(分解),[α]25 D=-2.5°(c=1.00,无水甲醇)。20.4 L-3-氟-苯丙氨酸盐酸盐(3DD)方法同(1DD)项。5.00克(3BB)。得
(3DD)白色固体4.91克(99.3%),m.p.>241℃(分解),[α]25 D=+3.7°
(c=1.02,无水甲醇)。20.5 D-N-乙酰-3-氟-苯丙氨酸(3EE)方法同(1EE)项。(3AA)1.00克
(3.96mmol),得白色固体0.87克(97.8%),m.p.152~154℃。
[α]20 D=-33.6°(c=1.19,无水甲醇)。20.6 D-3-氟-苯丙氨酸甲酯盐酸盐(3FF)。1.00克(3CC),SOCl2/CH3OH法。
得(3FF)1.05克(98.7%)m.p.151~3℃。[α]20 D=-12.52(c=1.07,无
水甲醇)。20.7 L-3-氟-苯丙氨酸甲酯盐酸盐(3GG)。1.00克(3CC),SOCl2/CH3OH法。
得(3GG)1.05克(98.7%)m.p.175.5~177.5℃。[α]20 D=+13.73(c=0.75,
无水甲醇)。制备例21 D,L-N-乙酰-4-氟-苯丙氨酸乙酯的拆分21.1 D-N-乙酰-4-氟-苯丙氨酸乙酯(4AA)拆分方法同(1AA)项。D,L-N-
乙酰-4-氟-苯丙氨酸乙酯37.43克(148mmol),得(4AA)无色针晶
16.60克(88.7%),m.p.64~66℃,[α]25 D=-8.24°(c=1.02,无水甲
醇)。21.2 L-N-乙酰-4-氟-苯丙氨酸(4BB)方法同(1BB)项。得(4BB)白色固
体16.71克(99.9%),m.p.133~136℃,[α]25 D=+28.8°(c=1.00,无
水甲醇)。21.3 D-4-氟-苯丙氨酸盐酸盐(4CC)方法同(1CC)项。(4AA)5.00克
(19.8mmol),得(4CC)白色固体4.23克(97.5%),m.p.238~240℃
(分解),[α]25 D=-5.9°(c=1.00,无水甲醇)。21.4 L-4-氟-苯丙氨酸盐酸盐(4DD)方法同(1DD)项。(4BB)5.00克
(22.2mmo1),得(4DD)白色固体4.88克(100%),m.p.242~244℃(分
解),[α]25 D=+2.9°(c=0.988,无水甲醇)。21.5 D-N-乙酰-4-氟-苯丙氨酸(4EE)方法同(1EE)项。(4AA)1.00克
(3.96mmol),得(4E)白色固体0.84克(94.4%),m.p.139~142℃。
[α]20 D=-34.0°(c=1.20,无水甲醇)。21.6 D-4-氟-苯丙氨酸甲酯盐酸盐(4FF)。1.00克(4CC),SOCl2/CH3OH法。
得(4FF)1.06克(100.0%)m.p.190~2℃。[α]20 D=-15.67(c=1.04,
无水甲醇)。21.7 L-4-氟-苯丙氨酸甲酯盐酸盐(4GG)。1.00克(4DD),SOCl2/CH3OH法。
得(4GG)1.06克(99.6%)m.p.185~7℃。[α]20 D=+14.76(c=1.14,无
水甲醇)。制备例22 D,L-N-乙酰-2-氯-苯丙氨酸乙酯的拆分22.1 D-N-乙酰-2-氯-苯丙氨酸乙酯(5AA)拆分方法同(1AA)项。D,L-N-
乙酰-2-氯-苯丙氨酸乙酯10.0克(37mmol),得(5AA)白色针晶4.7
克(94.0%),m.p.87~8℃,[α]25 D=+10.6°(c=0.99,无水甲醇)。22.2 L-N-乙酰-2-氯-苯丙氨酸(5BB)方法同(1BB)项。得(5BB)白色固
体4.17克(93.0%),m.p.166~7℃,[α]25 D=-12.2°(c=1.02,无水
甲醇)。22.3 D-2-氯-苯丙氨酸盐酸盐(5CC)方法同(1CC)项(5AA)3.47克
(12.87mmol),得(5CC)白色晶体2.97克(97.7%),m.p.233~6℃(分
解),[α]25 D=+15.9°(c=1.02,无水甲醇)。22.4 L-2-氯-苯丙氨酸盐酸盐(5DD)方法同(1DD)项。(5BB)3.97克
(16.44mmol),得(5DD)白色晶体3.80克(99.4%),m.p.243~7℃(分
解),[α]25 D=-17.3°(c=1.01,无水甲醇)。22.5 D-N-乙酰-2-氯-苯丙氨酸(5EE)方法同(1EE)项。(5AA)1.00克
(3.7mmol),得(5EE)白色固体0.87克(97.1%),m.p.165~7℃。
[α]20 D=+11.8°(c=1.26,无水甲醇)。22.6 D-2-氯-苯丙氨酸甲酯盐酸盐(5FF)。1.00克(5CC),SOCl2/CH3OH法。
得(5FF)1.05克(99.1%)m.p.147~9℃。[α]20 D=+28.3(c=1.15,无水
甲醇)。22.7 L-2-氯-苯丙氨酸甲酯盐酸盐(5GG)。1.00克(5DD),SOCl2/CH3OH法。
得(5GG)1.06克(100.0%)m.p.144~6℃。[α]20 D=-29.64(c=0.685,
无水甲醇)。制备例23 D,L-N-乙酰-3-氯-苯丙氨酸乙酯的拆分23.1 D-N-乙酰-3-氯-苯丙氨酸乙酯(6AA)拆分方法同(1AA)项。D,L-N-
乙酰-3-氯-苯丙氨酸乙酯16.5克(61.05mmol),得(6AA)白色针晶
6.67克(80.72%),m.p.70~2℃,[α]25 D=-5.8°(c=1.03,无水甲醇)。23.2 L-N-乙酰-3-氯-苯丙氨酸(6BB)方法同(1BB)项。得(6BB)白色固
体6.30克(85.2%),m.p.155~7℃,[α]25 D=+35.2°(c=1.01,无水
甲醇)。23.3 D-3-氯-苯丙氨酸盐酸盐(6CC)方法同(1C)项。(6AA)5.17克
(19.18mmol),得(6CC)白色固体4.29克(94.8%),m.p.239~242
℃(分解),[α]25 D=-6.4°(c=1.02,无水甲醇)。23.4 L-3-氯-苯丙氨酸盐酸盐(6DD)方法同(1DD)项。(6BB)5.38
克(22.0mmol),得(6DD)白色晶体5.06克(96.2%),m.p.244~7℃
(分解),[α]25 D=+6.7°(c=1.01,无水甲醇)。23.5 D-N-乙酰-3-氯-苯丙氨酸(6EE)方法同(1EE)项。(6AA)1.00克
(3.7mmol),得(6EE)白色固体0.85克(94.9%),m.p.151~3℃。
[α]20 D=-29.4°(c=1.02,无水甲醇)。23.6 D-3-氯-苯丙氨酸甲酯盐酸盐(6FF)。1.00克(6CC),SOCl2/CH3OH法。
得(6FF)0.80克(75.5%)m.p.122~3℃。[α]20 D=-12.27(c=0.92,无
水甲醇)。23.7 L-3-氯-苯丙氨酸甲酯盐酸盐(6GG)。1.00克(6DD),SOCl2/CH3OH法。
得(6GG)1.06克(100.0%)m.p.120~2℃。[α]20 D=+13.14(c=0.845,
无水甲醇)。制备例24 D,L-N-乙酰-4-溴-苯丙氨酸乙酯的拆分24.1 D-N-乙酰-4-溴-苯丙氨酸乙酯(7AA)拆分时采用枯草杆菌蛋白
酶,其余方法同(1AA)项。D,L-N-乙酰-4-溴-苯丙氨酸乙酯20.0克
(63.5mmol),得(7AA)无色针晶9.41克(94.1%),m.p.96~98℃,
[α]25 D=-20.0°(c=1.03,无水甲醇)。24.2 L-N-乙酰-4-溴-苯丙氨酸(7BB)方法同(1BB)项。针状晶体
9.17克(100.7%),m.p.158~160℃,[α]25 D=+39.9°(c=1.02,无水
甲醇)。24.3 D-4-溴-苯丙氨酸盐酸盐(7CC)方法同(1CC)项。(7AA)5.00克
(16.0mmol),得(7CC)白色固体4.33克(96.9%),m.p.244~6℃(分解),
[α]25 D=-4.90°(c=1.01,无水甲醇)。24.4 L-4-溴-苯丙氨酸盐酸盐(7DD)方法同(1DD)项。(7BB)9.15克
(32.0mmol),得(7DD)白色晶体8.67克(96.6%),m.p.244~7℃(分解),
[α]25 D=+4.75°(c=0.998,无水甲醇)。24.5 D-N-乙酰-4-溴-苯丙氨酸(7EE)方法同(1EE)项。(7AA)1.00克
(3.2mmol),得(7EE)白色固体0.87克(95.6%),m.p.152~4℃。
[α]20 D=-37.9°(c=1.00,无水甲醇)。24.6 D-4-溴-苯丙氨酸甲酯盐酸盐(7FF)。1.00克(7CC),SOCl2/CH3OH法。
得(7FF)1.01克(96.2%)m.p.198~200℃。[α]20 D=-16.02(c=1.33,
无水甲醇)。24.7 L-4-溴-苯丙氨酸甲酯盐酸盐(7GG)。1.00克(7DD),SOCl2/CH3OH法。
得(7GG)1.05克(99.9%)m.p.190~2℃。[α]20 D=+22.88(c=0.75,无
水甲醇)。制备例25 D,L-N-乙酰-4-氟-3-氯-苯丙氨酸乙酯的拆分25.1 D-N-乙酰-4-氟-3-氯-苯丙氨酸乙酯(8AA)拆分方法同(1AA)项。
D,L-N-乙酰-4-氟—苯丙氨酸乙酯17.6克(6lmmol),得(8AA)无色细
针晶8.04克(91.4%),m.p.92~94℃,[α]20 D-7.16°(c=1.145,无水
甲醇)。25.2 L-N-乙酰-4-氟-3-氯-苯丙氨酸(8BB)方法同(1BB)项。得白色固
体7.26克(91.4%),m.p.163~165℃,[α]20 D=+33.33°(c=0.96,无
水甲醇)。25.3 D-4-氟-3-氯-苯丙氨酸盐酸盐(8CC)方法同(1CC)项。
(8AA)5.00克(17.4mmol),得(8CC)白色固体4.18克(94.6%),
m.p.230~232℃(分解),[α]25 D=-6.5°(c=1.02,无水甲醇)。25.4 L-4-氟-3-氯-苯丙氨酸盐酸盐(8DD)方法同(1DD)项。
(8BB)5.00克(19.3mmol),得(8DD)白色针晶4.76克(97.3%),
m.p.233~237℃(分解),[α]25 D=+6.4°(c=1.01,无水甲醇)。25.5 D-N-乙酰-4-氟-3-氯-苯丙氨酸(8EE)方法同(1EE)项。
(8AA)1.00克(3.48mmol),得白色固体0.87克(96.4%),m.p.160~
163℃。[α]20 D=-32.4°(c=1.27,无水甲醇)。25.6 D-4-氟-3-氯-苯丙氨酸甲酯盐酸盐(8FF)。3.00克
(8CC),SOCl2/CH3OH法。得(8FF)2.89克(91.3%)m.p.178~182℃。
[α]20 D=-12.40(c=1.12,无水甲醇)。25.7 L-4-氟-3-氯-苯丙氨酸甲酯盐酸盐(8GG)。1.00克
(8DD),SOCl2/CH3OH法。得(8GG)1.08克(99.9%)m.p.182~3℃。
[α]20 D=+13.81(c=1.00,无水甲醇)。制备例26 D,L-N-乙酰-2,4-二氯-苯丙氨酸乙酯的拆分26.1 D-N-乙酰-2,4-二氯-苯丙氨酸乙酯(9AA)拆分时采用枯草杆菌蛋
白酶[4],其余方法同(1AA)项。D,L-N-乙酰-2,4-二氯-苯丙氨酸乙酯
5.0克(16.34mmol),得(9AA)无色针晶2.34克(93.6%),m.p.89~
91℃,[α]25 D=+7.0°(c=1.00,无水甲醇)。26.2 L-N-乙酰-2,4-二氯-苯丙氨酸(9BB)方法同(1BB)项。得(9BB)
针状晶体2.28克(100.4%),m.p.177~9℃,[α]25 D=-2.5°(c=1.00,
无水甲醇)。26.3 D-2,4-二氯-苯丙氨酸盐酸盐(9CC)方法同(1CC)项。
(9AA)1.75克(5.76mmol),得(9CC)白色固体1.51克(97.0%),
m.p.240~1℃(分解),[α]25 D=-9.29°(c=1.01,无水甲醇)。26.4 L-2,4-二氯-苯丙氨酸盐酸盐(9DD)方法同(1DD)项。
(9BB)2.47克(10.0mmol),得(9DD)白色晶体8.67克(96.6%),
m.p.244~7℃(分解),[α]25 D=+9.00°(c=0.995,无水甲醇)。26.5 D,L-N-乙酰-2,4-二氯-苯丙氨酸(9EE)方法同(1EE)项。D,L-N-
乙酰-2,4-二氯-苯丙氨酸乙酯1.00克(3.29mmol),得(9EE)白色固
体0.908克(95.3%),m.p.132~5℃。26.6 D-2,4-二氯-苯丙氨酸乙酯盐酸盐(9FF)。1.00克
(9CC),SOCl2/C2H5OH法。得(9FF)1.07克(97.0%)m.p.133~4℃。
[α]20 D=-29.6(c=1.50,无水甲醇)。26.7 L-2,4-二氯-苯丙氨酸甲酯盐酸盐(9GG)。1.00克(9DD),SOCl2/CH3OH
法。得(9GG)1.03克(98.0%)m.p.175~8℃。[α]20 D=+16.86(c=0.80,
无水甲醇)。制备例27 D,L-N-乙酰-2,5-二氯-苯丙氨酸乙酯的拆分27.1 D-N-乙酰-2,5-二氯-苯丙氨酸乙酯(10AA)拆分时采用枯草杆菌
蛋白酶,其余方法同(1AA)项。D,L-N-乙酰-2,5-二氯-苯丙氨酸乙酯
18.0克(59.2mmol),得(10AA)无色针晶8.80克(97.8%),m.p.125~
126℃,[α]25 D=-14.45°(c=1.04,无水甲醇)。27.2 L-N-乙酰-2,5-二氯-苯丙氨酸(10BB)方法同(1BB)项。得
(10BB)针状晶体7.97克(97.4%),m.p.179~181℃,[α]25 D=+14.27°
(c=1.08,无水甲醇)。27.3 D-2,5-二氯-苯丙氨酸盐酸盐(10CC)方法同(1CC)项。
(10AA)4.00克(13.16mmol),得(10CC)白色固体3.54克(99.5%),
m.p.227~230℃(分解),[α]25 D=-25.7°(c=1.05,无水甲醇)。27.4 L-2,5-二氯-苯丙氨酸盐酸盐(10DD)方法同(1DD)项。
m.p.176~8℃。[α]25 D=-15.93°(c=0.999,无水甲醇)。27.6 D-2,5-二氯-苯丙氨酸乙酯盐酸盐(10FF)。1.00克
(10CC),SOCl2/C2H5OH法。得(10FF)1.10克(99.7%)m.p.157~9℃。
[α]20 D=--24.72(c=1.06,无水甲醇)。27.7 L-2,5-二氯-苯丙氨酸甲酯盐酸盐(10GG)。1.00克
(10DD),SOCl2/CH3OH法。得(10GG)1.05克(99.9%)m.p.182~3℃。
[α]20 D=+32.70(c=0.85,无水甲醇)。制备例28 D,L-N-乙酰-3,4-二氯-苯丙氨酸甲酯的拆分28.1 D-N-乙酰-3,4-二氯-苯丙氨酸甲乙酯(11AA)拆分方法同(1AA)
项。D,L-N-乙酰-3,4-二氯-苯丙氨酸乙酯7.7克(26.6mmol),得(11AA)
白色固体3.46克(89.9%),m.p.122~4℃,[α]25 D=-23.8°(c=1.16,
无水甲醇)。28.2 L-N-乙酰-3,4-二氯-苯丙氨酸(11BB)方法同(1BB)项。得(11BB)
白色固体3.44克(93.9%),m.p.149~151℃,[α]25 D=+43.2°(c=1.01,
无水甲醇)。制备例29 D,L-N-乙酰-2-甲基,3-氯-苯丙氨酸乙酯的拆分29.1 D-N-乙酰-2-甲基,3-氯-苯丙氨酸乙酯(13AA)拆分方法同(1AA)
项。D,L-N-乙酰-2-甲基,3-氯-苯丙氨酸乙酯19.0克(67.02mmol),
得(13AA)无色针晶9.22克(92.0%),m.p.130~2℃,[α]25 D=+9.40°
(c=1.165,无水甲醇)。29.2 L-N-乙酰-2-甲基,3-氯-苯丙氨酸(13BB)方法同(1BB)项。得
(13BB)针状晶体7.74克(90.0%),m.p.174~6℃,[α]25 D=-11.86°
(c=1.265,无水甲醇)。29.3 D-2-甲基,3-氯-苯丙氨酸盐酸盐(13CC)方法同(1CC)项。
(13AA)2.0克(7.05mmol),得(13CC)白色固体1.68克(95.2%),
m.p.224~7℃(分解),[α]25 D=-5.18°(c=1.10,无水甲醇)。29.4 L-2-甲基,3-氯-苯丙氨酸盐酸盐(13DD)方法同(1DD)项。
(13BB)2.00克(7.05mmol),得(13DD)白色晶体1.67克(95.0%),
m.p.222~5℃(分解),[α]25 D=+6.03°(c=1.09,无水甲醇)。29.5 D-N-乙酰-2-甲基,3-氯-苯丙氨酸(13EE)方法同(1EE)项。
(13AA)1.00克(3.53mmol),得(13EE)白色固体0.88克(97.6%),
m.p.173~5℃。[α]25 D=+10.35°(c=0.85,无水甲醇)。29.6 D-2-甲基,3-氯-苯丙氨酸乙酯盐酸盐(13FF)。1.00克
(13CC),SOCl2/C2H5OH法。得(13FF)1.08克(97.1%)m.p.188~190℃。
[α]20 D=-33.89(c=0.95,无水甲醇)。29.7 L-2-甲基,3-氯-苯丙氨酸甲酯盐酸盐(13GG)。260毫克
(13DD),SOCl2/CH3OH法。得(13GG)260毫克(95.0%)m.p.174~6℃。
[α]20 D=+31.75(c=0.63,无水甲醇)。制备例30 D,L-N-乙酰-4-羧基-苯丙氨酸二乙酯的拆分30.1 D-N-乙酰-4-羧基-苯丙氨酸二乙酯(15AA)采用枯草杆菌蛋白酶,其
余方法同(1AA),D,L-N-乙酰-4-羧基-苯丙氨酸二乙酯21.1克
(68.7mmol),得(15AA)无色细小针晶10.3克(97.6%),m.p.97~98
℃,[α]25 D=+7.9°(c=1.00,无水甲醇)30.2 L-N-乙酰-4-羧基乙酯-苯丙氨酸(15BB)方法同(1BB)项。针状晶
体8.9克(92.8%),m.p.174~175℃,[α]25 D=-6.37°(c=1.02,无水
甲醇)。30.3 D-4-羧基-苯丙氨酸盐酸盐(15CC)方法同(1CC)项。(15AA)4.07克
(13mmol),得(15CC)白色固体3.28克(100%),m.p.>280(分解),
[α]20 D=-33.96°(c=1.96,二甲亚砜)。30.4 L-4-羧基-苯丙氨酸盐酸盐(15DD)。方法同(1DD)项。(15BB)4.43
克(16mmol),得白色固体3.87克(99.3%),m.p.>280(分解),[α]20 D
=29.72°(c=1.24,二甲亚砜)。30.5 D-4-羧基-苯丙氨酸二乙酯盐酸盐(15EE)。1.00克
(15CC),SOCl2/C2H5OH法。得(15EE)1.17克(95.3%)m.p.138~140℃。
[α]20 D=--15.02(c=1.21,无水甲醇)。30.6 L-4-羧基-苯丙氨酸二甲酯盐酸盐(15FF)。1.00克
(15DD),SOCl2/CH3OH法。得(15FF)1.03克(92.4%)m.p.178~180
℃。[α]20 D=+17.09(c=1.11,无水甲醇)。制备例31 D,L-N-乙酰-3-羧基-苯丙氨酸二乙酯的拆分31.1 D-N-乙酰-3-羧基-苯丙氨酸二乙酯(16AA)拆分方法同(1AA)项。
按(1.16.3)项的合成产物55克(0.18mmol),得(16AA)为油状物。31.2 L-N-乙酰-3-羧基乙酯-苯丙氨酸(16BB)方法同(1BB)项。针状晶
体23.0克(92.0%),m.p.148~9℃,[α]25 D=+39.37°(c=1.625,无
水甲醇)。IR 3321(NH),2989(CH),1707(C=O,COOEt),
1615(C=0,NHCOCH3),1566(CH,苯环),760,704(苯环3-羧基乙酯取
代)。31.3 D-3-羧基-苯丙氨酸盐酸盐(16CC)方法同(1C)项。(16AA)的最终产
物,得(16CC)白色固体21.5克(97.8%),m.p.265~270(分解),[α]20 D
=-26.65°(c=1.314,二甲亚砜)。31.4 L-3-羧基-苯丙氨酸盐酸盐(16DD)。方法同(1DD)项。(16BB)1.00
克(3.58mmol),得白色固体0.84克(95.5%),m.p.270~2(分解),
[α]20 D=+28.03°(c=1.106,二甲亚砜)。31.5 D-3-羧基-苯丙氨酸二乙酯盐酸盐(16EE)。1.00克
(16CC),SOCl2/C2H5OH法。得(16EE)1.18克(95.8%)m.p.192~194℃。
[α]20 D=-13.02(c=1.26,无水甲醇)。31.6 L-3-羧基-苯丙氨酸二甲酯盐酸盐(16FF)。1.00克
(16DD),SOCl2/CH3OH法。得(16FF)1.08克(92.4%)m.p.163~5℃。
[α]20 D=+18.85(c=0.96,无水甲醇)。制备例32 1-氨基-2-羰基-(3,4)苯并-6-羧基乙酯的拆分32.1 D-1-氨基-2-羰基-(3,4)苯并-6-羧基乙酯(17AA)拆分方法同
(1AA)项。D,L-1-氨基-2-羰基-(3,4)苯并-6-羧基乙酯10.0克。
得(17AA)4.55克(91%)。m.p.86~88℃,[α]20 D=+7.8(c=1.16,无水甲
醇)。32.2 L-1-氨基-2-羰基-(3,4)苯并-6-羧酸(17BB)方法同(1BB)项。
得(17BB)4.15克(95.2%)。m.p.151~3℃,[α]20 D=-5.5(c=1.22,无
水甲醇)。
实施例1
HIM-CO-Leu-DTrp-DPhe(2-F)-OH的制备
将D-色氨酸乙酯盐酸盐135毫克(0.5mmol),溶于2毫升DMF中,加入N-甲基吗啡啉0.06毫升(0.5mmol),加入5毫升THF,溶解,加入六亚甲基胺甲酰亮氨酸128毫克(0.5mmol),加入HOBt81毫克(0.6mmol)和DIC 76毫克(0.6mmol),搅拌反应4小时。浓缩,加入乙酸乙酯,分别用水、0.5M盐酸(10毫升)、饱和碳酸氢钠(10毫升)和饱和氯化钠(10毫升)洗一遍,浓缩乙酸乙酯层,得无色油状物。加入2毫升甲醇,冷却条件下加2毫升1M氢氧化钠,室温下搅拌1小时。用1M盐酸调pH8.0,浓缩,加入20毫升水,1M盐酸酸化pH3,析出固体,滤集干燥得170毫克。
D-2氟苯丙氨酸乙酯盐酸124.0毫克(0.5mmo1),溶于2毫升DMF中,加入N-甲基吗啡啉0.06毫升(0.5mmol),加入5毫升THF,溶解,加入上述全部固体,加入HOBt81毫克(0.6mmol)和DIC76毫克(0.6mmol),搅拌反应4小时。浓缩,加入乙酸乙酯,分别用水、0.5M盐酸(10毫升)、饱和碳酸氢钠(10毫升)和饱和氯化钠(10毫升)洗一遍,浓缩乙酸乙酯层,得无色油状物,甲醇-水重结晶,滤集固体。固体中加入2毫升甲醇,冷却条件下加2毫升1M氢氧化钠,室温下搅拌1小时。用1M盐酸调pH8.0,浓缩,加入20毫升水,1M盐酸酸化pH3,析出固体,滤集干燥得约250毫克(79.6%)标题化合物。TLC Rf=0.54(氯仿∶甲醇∶醋酸9∶1∶0.5)。FAB-MS m/z 629.3(M+1),651.3(M+Na)。HPLC Rt=14.44分(流动相:A液50%~0%,B液50%~100%/10分钟,A液0%~50%,B液100%~50%/10~20分钟,流速1.00毫升/分钟)高效液相条件:泵 Waters 600E型色谱柱 Kromasil-C18填料5μm,4.6×250mm流动相 A:0.1%三氟醋酸/水B:70%乙腈/0.1三氟醋酸-水紫外检测器 Spectra-Physics UV1000,波长280nm。
实施例2-53
按类似于实施例1的方法和步骤,制备出三肽化合物2-53。实施例1-53化合物均经过FAB-MS鉴定,同时用HPLC进行了纯度分析,
具体见表1。
表1实施例1-53化合物的质谱和高效液相分析序 一级结构 质谱(Ms) HPLC号 保留时间/含量1 HIM-CO-NH-CH2-CH2-CO-D-Trp-D-Trp-OH 587(M+1) 5.65/96.7%d2 HIM-CO-GABA-D-Trp-D-Trp-OH 601.1(M+1) 5.82/97.6%d3 HIM-CO-NH-(CH3)2-CO-D-Trp-D-Trp-OH 601.3(M+1) 6.45/99.2%d4 HIM-CO-Leu-D-Trp-D-Phe(2-F)-OH 608.3(M+1) 8.20/93.3%d5 HIM-CO-Leu-D-Trp-D-Phe(3-F)-OH 608.2(M+1) 8.53/94.5%d6 HIM-CO-Leu-D-Trp-D-Phe(4-F)-OH 608.2(M+1) 8.10/95.O%d7 HIM-CO-Leu-D-Trp-D-Phe(2-Cl)-OH 624.3(M+1) 8.23/100%d8 HIM-CO-Leu-D-Trp-D-Phe(3-Cl)-OH 623.2(M+1) 9.21/98.8%d9 HIM-CO-Leu-D-Trp-D-Phe(4-Cl)-OH 623.2(M+1) 9.93/100%d10 HIM-CO-Leu-D-Trp-D-Phe(4-Br)-OH 669.1(M+1) 8.77/94.5%d11 HIM-CO-Leu-D-Trp-D-Phe(3-NO2)-OH 635.1(M+1) 8.07/99.1%d12 HIM-CO-Leu-D-Trp-D-Phe(3-COOH)-OH 690.2(M+1)** 8.47/89.5%d13 HIM-CO-Leu-D-Trp-D-Phe(4-COOH)-OH 690.4(M+1)*** 7.37/95.1%d14 HIM-CO-Leu-D-Trp-D-Phe(3-Cl-4-F)-OH 656.3(M+1)* 9.83/98.2%d15 HIM-CO-Leu-D-Trp-D-Phe(2,4-Cl)-OH 659.1(M+1) 12.71/93.1%d16 HIM-CO-Leu-D-Trp-D-Phe(2,5-Cl)-OH 659.3(M+1) 12.01/100%d17 HIM-CO-Leu-D-Trp-D-Phe(2-CH3-3-Cl)-OH 638.4(M+1) 18.11/100%d18 HIM-CO-Leu-D-Phe(2-F)-D-Trp-OH 622.O(M+1)* 9.12/95.8%d19 HIM-CO-Leu-D-Phe(3-F)-D-Trp-OH 622.1(M+1)* 8.69/97.7%d20 HIM-CO-Leu-D-Phe(4-F)-D-Trp-OH 622.1(M+1)* 8.86/98.0%d21 HIM-CO-Leu-D-Phe(4-Br)-D-Trp-OH 683.1(M+1)* 1.77/97.8%d22 HIM-CO-Leu-D-Phe(3-NO2)-D-Trp-OH 649.2(M+1)* 9.59/99.0%d23 HIM-CO-Leu-D-Phe(4-F-3-Cl)--D-Trp-OH 656.4(M+1)* 13.01/98.O%d24 HIM-CO-Leu-D-Phe(3-CO-D-Trp-OH)-D-Trp- 848.2(M+1)*** 7.82/85.4%dOH25 HIM-CO-Leu-D-Phe(4-CO-D-Trp-OH)-D-Trp- 848.0(M+1)*** 8.26/96.4%dOH26 HIM-CO-Leu-D-Phe(2-CH3-3-Cl)-D-Trp- 652.4(M+1)* 14.52/99.8%dOH27 苯氧基-CO-Pro-D-Trp-D-Phe(2-F)-OH 601.3(M+1)* 4.83/95.0%d28 苯氧基-CO-Pro-D-Trp-D-Phe(3-F)-OH 601.3(M+1)* 5.07/97.4%d29 苯氧基-CO-Pro-D-Trp-D-Phe(4-F)-OH 601.3(M+1)* 4.58/99.0%d30 苯氧基-CO-Pro-D-Trp-D-Phe(2-Cl)-OH 617.4(M+1)* 7.75/92.0%d31 苯氧基-CO-Pro-D-Trp-D-Phe(3-Cl)-OH 617.2(M+1)* 5.42/98.3%d32 苯氧基-CO-Pro-D-Trp-D-Phe(4-Cl)-OH 617.2(M+1)* 5.04/96.3%d33 苯氧基-CO-Pro-D-Trp-D-Phe(4-Br)-OH 662.0(M+1)* 5.21/93.5%d34 苯氧基-CO-Pro-D-Trp-D-Phe((3-NO2)-OH 650.2(M+Na)* 4.74/96.8%d35 苯氧基-CO-Pro-D-Trp-D-Phe(4-F-3-Cl)-OH 635.2(M+1)* 5.18/95.3%d36 苯氧基-CO-Pro-D-Trp-D-Phe(2,4-Cl)-OH 652.0(M+1)* 6.12/97.0%d37 苯氧基-CO-Pro-D-Trp-D-Phe(2,5-Cl)-OH 652.1(M+1)* 7.57/96.4%d38 苯氧基-CO-Pro-D-Trp-D-Phe(3-COOH)-OH 655.2(M+1)*** 4.98/92.6%d39 苯氧基-CO-Pro-D-Trp-D-Phe(4-COOH)-OH 655.0(M+1)** 5.05/96.8%d40 苯氧基-CO-Pro-D-Trp-D-Phe(2-CH3-3-Cl)- 631.4(M+1)* 6.91/97.4%d
OHo-CPh:
41 o-CPh-D-Trp-D-Phe(2-F)-OH 557.3(M+1)* 9.73/100%c42 o-CPh-D-Trp-D-Phe(3-F)-OH 557.1(M+1)* 9.63/94.0%c43 o-CPh-D-Trp-D-Phe(4-F)-OH 557.1(M+1)* 12.9/100%c44 o-CPh-D-Trp-D-Phe(2-Cl)-OH 573.0(M+1)* 9.22/92.7%c45 o-CPh-D-Trp-D-Phe(3-Cl)-OH 596.2(M+Na)* 9.89/97.0%c46 o-CPh-D-Trp-D-Phe(4-Cl)-OH 573.2(M+1)* 7.17/98%c47 o-CPh-D-Trp-D-Phe(4-Br)-OH 618.1(M+1)* 7.7/98%c48 o-CPh-D-Trp-D-Phe(3-NO2)-OH 584.0(M+1)* 5.22/100%c49 o-CPh-D-Trp-D-Phe(3-COOH)-OH 625.2(M+1)** 5.01/97.4%c50 o-CPh-D-Trp-D-Phe(4-COON)-OH 625.0(M+1)*** 5.06/98.4%c51 o-CPh-D-Trp-D-Phe(2,4-Cl)-OH 608.2(M+1)* 5.89/98.0%c52 o-CPh-D-Trp-D-Phe(2,5-Cl)-OH 608.2(M+1)* 5.01/99.O%c53 o-CPh-D-Trp-D-Phe(2-CH3-3-Cl)-OH 587.2(M+1)* 5.97/98.0%ca 时间(min) 流速 A% B%c 时间(min) 流速 A% B%
0 1 40 60 0 0.6 50 50
10 1 0 100 10 1 0 100
20 1 40 60 20 1 50 50b时间(min) 流速 A% B%d 时间(min) 流速 A% B%
0 0.6 50 50 0 1 10 90
10 1 0 100 10 1 0 100
20 1 20 80*(皂化前的甲酯),**(皂化前的二乙酯),***(皂化前的二甲酯)。生物活性实验材料Wistar大鼠: 军事医学科学院实验动物中心台式自动平衡记录仪: 上海大华仪器厂ET-1: American peptide company10%碳酸钾溶液: 自配改良Kreb’s-Ringer缓冲液:自配实验方法样品溶液配制:定量称取样品(实施例1-53的化合物)2×10-5摩尔,加入0.5毫升10%碱金属碳酸盐溶解,用改良Kreb’s-Ringer缓冲液定量稀释为5.0毫升,作为贮备液冰箱中保存。用缓冲液稀释为10-6、10-7、10-8和10-9nM四个浓度。体外血管实验:
将大鼠断头处死,迅速开胸,摘取主动脉,置于盛有血管营养液的培养皿中,清除血污,仔细分离血管周围组织,剪成长约3毫米的动脉环,分别将两根直径为0.1毫米的不锈钢钢丝小心穿入,作成三角环状。随后置于盛有10毫升血管营养液的37℃恒温浴槽中,下端固定,上端通过张力换能器连于自动台式平衡记录仪,持续同入95%氧气和5%二氧化碳混合气。动脉环负荷0.5克,稳定之后开始给药。拮抗实验
先用10nM量的ET-1诱发血管环收缩,约10分钟左右,达到平台后,给予10-9M样品,观察对抗收缩效应。当低浓度没效时,逐渐升高浓度至10-6M。结果
按照上述方法,活性结果见下表:
药理活性结果序号 一级结构 拮抗活性(mmol/L)
10-6 10-7 10-8 10-91 HIM-CO-NH-CH2-CH2-CO-D-Trp-D-Trp-OH ++2 HIM-CO-GABA-D-Trp-D-Trp-OH +3 HIM-CO-NH-(CH3)2-CO-D-Trp-D-Trp-OH +4 HIM-CO-Leu-D-Trp-D-Phe(2-F)-OH +5 HIM-CO-Leu-D-Trp-D-Phe(3-F)-OH +6 HIM-CO-Leu-D-Trp-D-Phe(4-F)-OH +7 HIM-CO-Leu-D-Trp-D-Phe(2-Cl)-OH +8 HIM-CO-Leu-D-Trp-D-Phe(3-Cl)-OH +9 HIM-CO-Leu-D-Trp-D-Phe(4-Cl)-OH ++10 HIM-CO-Leu-D-Trp-D-Phe(4-Br)-OH +11 HIM-CO-Leu-D-Trp-D-Phe(3-NO2)-OH +12 HIM-CO-Leu-D-Trp-D-Phe(3-COOH)-OH +13 HIM-CO-Leu-D-Trp-D-Phe(4-COOH)-OH +14 HIM-CO-Leu-D-Trp-D-Phe(3-Cl-4-F)-OH ++15 HIM-CO-Leu-D-Trp-D-Phe(2,4-Cl)-OH +16 HIM-CO-Leu-D-Trp-D-Phe(2,5-Cl)-OH ++17 HIM-CO-Leu-D-Trp-D-Phe(2-CH3-3-Cl)-OH +18 HIM-CO-Leu-D-Phe(2-F)-D-Trp-OH +19 HIM-CO-Leu-D-Phe(3-F)-D-Trp-OH +20 HIM-CO-Leu-D-Phe(4-F)-D-Trp-OH -21 HIM-CO-Leu-D-Phe(4-Br)-D-Trp-OH +22 HIM-CO-Leu-D-Phe(3-NO2)-D-Trp-OH +23 HIM-CO-Leu-D-Phe(4-F-3-Cl)—D-Trp-OH +24 HIM-CO-Leu-D-Phe(3-CO-D-Trp-OH)-D-Trp-OH +25 HIM-CO-Leu-D-Phe(4-CO D-Trp-OH)-D-Trp-OH ++26 HIM-CO-Leu-D-Phe(2-CH3-3-Cl)D-Trp-OH +27 苯氧基-CO-Pro-D-Trp-D-Phe(2-F)-OH +28 苯氧基-CO-Pro-D-Trp-D-Phe(3-F)-OH +29 苯氧基-CO-Pro-D-Trp-D-Phe(4-F)-OH ++30 苯氧基-CO-Pro-D-Trp-D-Phe(2-Cl)-OH +31 苯氧基-CO-Pro-D-Trp-D-Phe(3-Cl)-OH +32 苯氧基-CO-Pro-D-Trp-D-Phe(4-Cl)-OH +33 苯氧基-CO-Pro-D-Trp-D-Phe(4-Br)-OH +34 苯氧基-CO-Pro-D-Trp-D-Phe((3-NO2)-OH ++35 苯氧基-CO-Pro-D-Trp-D-Phe(4-F-3-Cl)-OH +36 苯氧基-CO-Pro-D-Trp-D-Phe(2,4-Cl)-OH +37 苯氧基-CO-Pro-D-Trp-D-Phe(2,5-Cl)-OH +38 苯氧基-CO-Pro-D-Trp-D-Phe(3-COOH)-OH +39 苯氧基-CO-Pro-D-Trp-D-Phe(4-COOH)-OH +40 苯氧基-CO-Pro-D-Trp-D-Phe(2-CH3-3-Cl)-OH +o-CPh:
41 o-CPh-D-Trp-D-Phe(2-F)-OH42 o-CPh-D-Trp-D-Phe(3-F)-OH +43 o-CPh-D-Trp-D-Phe(4-F)-OH +44 o-CPh-D-Trp-D-Phe(2-Cl)-OH +45 o-CPh-D-Trp-D-Phe(3-Cl)-OH +46 o-CPh-D-Trp-D-Phe(4-Cl)-OH +47 o-CPh-D-Trp-D-Phe(4-Br)-OH +48 o-CPh-D-Trp-D-Phe(3-NO2)-OH +49 o-CPh-D-Trp-D-Phe(3-COOH)-OH -50 o-CPh-D—Trp-D-Phe(4-COOH)-OH -51 o-CPh-D-Trp-D-Phe(2,4-Cl)-OH +52 o-CPh-D-Trp-D-Phe(2,5-Cl)-OH -53 o-CPh-D-Trp-D-Phe(2-CH3-3-Cl)-OH +++:拮抗活性很强; +:拮抗活性中等 -:不表现拮抗活性
Claims (7)
2.权利要求1的三肽衍生物或其立体异构体。其选自下面三肽化合物:1 HIM-CO-NH-CH2-CH2-CO-D-Trp-D-Trp-OH2 HIM-CO-GABA-D-Trp-D-Trp-OH3 HIM-CO-NH-(CH3)2-CO-D-Trp-D-Trp-OH4 HIM-CO-Leu-D-Trp-D-Phe(2-F)-OH5 HIM-CO-Leu-D-Trp-D-Phe(3-F)-OH6 HIM-CO-Leu-D-Trp-D-Phe(4-F)-OH7 HIM-CO-Leu-D-Trp-D-Phe(2-Cl)-OH8 HIM-CO-Leu-D-Trp-D-Phe(3-Cl)-OH9 HIM-CO-Leu-D-Trp-D-Phe(4-Cl)-OH10 HIM-CO-Leu-D-Trp-D-Phe(4-Br)-OH11 HIM-CO-Leu-D-Trp-D-Phe(3-NO2)-OH12 HIM-CO-Leu-D-Trp-D-Phe(3-COOH)-OH13 HIM-CO-Leu-D-Trp-D-Phe(4-COOH)-OH14 HIM-CO-Leu-D-Trp-D-Phe(3-Cl-4-F)-OH15 HIM-CO-Leu-D-Trp-D-Phe(2,4-Cl)-OH16 HIM-CO-Leu-D-Trp-D-Phe(2,5-Cl)-OH17 HIM-CO-Leu-D-Trp-D-Phe(2-CH3-3-Cl)-OH18 HIM-CO-Leu-D-Phe(2-F)-D-Trp-OH19 HIM-CO-Leu-D-Phe(3-F)-D-Trp-OH20 HIM-CO-Leu-D-Phe(4-F)-D-Trp-OH21 HIM-CO-Leu-D-Phe(4-Br)-D-Trp-OH22 HIM-CO-Leu-D-Phe(3-NO2)-D-Trp-OH23 HIM-CO-Leu-D-Phe(4-F-3-Cl)-D-Trp-OH24 HIM-CO-Leu-D-Phe(3-CO-D-Trp-OH)-D-Trp-OH25 HIM-CO-Leu-D-Phe(4-CO-D-Trp-OH)-D-Trp-OH26 HIM-CO-Leu-D-Phe(2-CH3-3-Cl)-D-Trp-OH27 苯氧基-CO-Pro-D-Trp-D-Pre(2-F)-OH28 苯氧基-CO-Pro-D-Trp-D-Pre(3-F)-OH29 苯氧基-CO-Pro-D-Trp-D-Pre(4-F)-OH30 苯氧基-CO-Pro-D-Trp-D-Phe(2-Cl)-OH31 苯氧基-CO-Pro-D-Trp-D-Phe(3-Cl)-OH32 苯氧基-CO-Pro-D-Trp-D-Phe(4-Cl)-OH33 苯氧基-CO-Pro-D-Trp-D-Phe(4-Br)-OH34 苯氧基-CO-Pro-D-Trp-D-Phe((3-NO2)-OH35 苯氧基-CO-Pro-D-Trp-D-Phe(4-F-3-Cl)-OH36 苯氧基-CO-Pro-D-Trp-D-Phe(2,4-Cl)-OH37 苯氧基-CO-Pro-D-Trp-D-Phe(2,5-Cl)-OH38 苯氧基-CO-Pro-D-Trp-D-Phe(3-COOH)-OH39 苯氧基-CO-Pro-D-Trp-D-Phe(4-COOH)-OH40 苯氧基-CO-Pro-D-Trp-D-Phe(2-CH3-3-Cl)-OHo-CPh:
41 o-CPh-D-Trp-D-Phe(2-F)-OH42 o-CPh-D-Trp-D-Phe(3-F)-OH43 o-CPh-D-Trp-D-Phe(4-F)-OH44 o-CPh-D-Trp-D-Phe(2-Cl)-OH45 o-CPh-D-Trp-D-Phe(3-Cl)-OH46 o-CPh-D-Trp-D-Phe(4-Cl)-OH47 o-CPh-D-Trp-D-Phe(4-Br)-OH48 o-CPh-D-Trp-D-Phe(3-NO2)-OH49 o-CPh-D-Trp-D-Phe(3-COOH)-OH50 o-CPh-D-Trp-D-Phe(4-COOH)-OH51 o-CPh-D-Trp-D-Phe(2,4-Cl)-OH52 o-CPh-D-Trp-D-Phe(2,5-Cl)-OH53 o-CPh-D-Trp-D-Phe(2-CH3-3-Cl)-OH。
3.权利要求1或2的三肽衍生物或其立体异构体,其选自下面三肽化合物:1 HIM-CO-NH-CH2-CH2-CO-D-Trp-D-Trp-OH2 HIM-CO-GABA-D-Trp-D-Trp-OH3 HIM-CO-NH-(CH3)2-CO-D-Trp-D-Trp-OH4 HIM-CO-Leu-D-Trp-D-Phe(2-F)-OH5 HIM-CO-Leu-D-Trp-D-Phe(3-F)-OH6 HIM-CO-Leu-D-Trp-D-Phe(4-F)-OH7 HIM-CO-Leu-D-Trp-D-Phe(2-Cl)-OH8 HIM-CO-Leu-D-Trp-D-Phe(3-Cl)-OH9 HIM-CO-Leu-D-Trp-D-Phe(4-Cl)-OH10 HIM-CO-Leu-D-Trp-D-Phe(4-Br)-OH11 HIM-CO-Leu-D-Trp-D-Phe(3-NO2)-OH12 HIM-CO-Leu-D-Trp-D-Phe(3-COOH)-OH13 HIM-CO-Leu-D-Trp-D-Phe(4-COOH)-OH14 HIM-CO-Leu-D-Trp-D-Phe(3-Cl-4-F)-OH15 HIM-CO-Leu-D-Trp-D-Phe(2,4-Cl)-OH16 HIM-CO-Leu-D-Trp-D-Phe(2,5-Cl)-OH17 HIM-CO-Leu-D-Trp-D-Phe(2-CH3-3-Cl)-OH18 HIM-CO-Leu-D-Phe(2-F)-D-Trp-OH21 HIM-CO-Leu-D-Phe(4-Br)-D-Trp-OH22 HIM-CO-Leu-D-Phe(3-NO2)-D-Trp-OH23 HIM-CO-Leu-D-Phe(4-F-3-Cl)--D-Trp-OH24 HIM-CO-Leu-D-Phe(3-CO-D-Trp-OH)-D-Trp-OH25 HIM-CO-Leu-D-Phe(4-CO-D-Trp-OH)-D-Trp-OH26 HIM-CO-Leu-D-Phe(2-CH3-3-Cl)-D-Trp-OH。
4.药物组合物,其包括至少一种式I三肽衍生物其立体异构体
RCO-A-B-C-OH I
其中,R为六亚甲基亚胺基或苯氧基,
或RCOA为下式基团,
A为Leu,Pro或其它非天然脂肪族氨基酸,如β-Ala,γ-氨基丁酸,或氨基异丁酸,
B为D-Trp,D-Pya,D-Phe,其中的Phe中苯基可在2、3、4或5位被选自卤素,硝基,羧基或C1-4烷基单取代或二取代,
C为D-Trp,D-Pya,D-Phe,其中的Phe中苯基可在2、3、4或5位被选自卤素,硝基,羧基或C1-4烷基单取代或二取代,
条件是B和C中至少一个为D-Trp,
及药用载体或赋形剂。
5.权利要求4的药物组合物,其中式I三肽衍生物或其立体异构体选自:1 HIM-CO-NH-CH2-CH2-CO-D-Trp-D-Trp-OH2 HIM-CO-GABA-D-Trp-D-Trp-OH3 HIM-CO-NH-(CH3)2-CO-D-Trp-D-Trp-OH4 HIM-CO-Leu-D-Trp-D-Phe(2-F)-OH5 HIM-CO-Leu-D-Trp-D-Phe(3-F)-OH6 HIM-CO-Leu-D-Trp-D-Phe(4-F)-OH7 HIM-CO-Leu-D-Trp-D-Phe(2-Cl)-OH8 HIM-CO-Leu-D-Trp-D-Phe(3-Cl)-OH9 HIM-CO-Leu-D-Trp-D-Phe(4-Cl)-OH10 HIM-CO-Leu-D-Trp-D-Phe(4-Br)-OH11 HIM-CO-Leu-D-Trp-D-Phe(3-NO2)-OH12 HIM-CO-Leu-D-Trp-D-Phe(3-COOH)-OH13 HIM-CO-Leu-D-Trp-D-Phe(4-COOH)-OH14 HIM-CO-Leu-D-Trp-D-Phe(3-Cl-4-F)-OH15 HIM-CO-Leu-D-Trp-D-Phe(2,4-Cl)-OH16 HIM-CO-Leu-D-Trp-D-Phe(2,5-Cl)-OH17 HIM-CO-Leu-D-Trp-D-Phe(2-CH3-3-Cl)-OH18 HIM-CO-Leu-D-Phe(2-F)-D-Trp-OH19 HIM-CO-Leu-D-Phe(3-F)-D-Trp-OH20 HIM-CO-Leu-D-Phe(4-F)-D-Trp-OH21 HIM-CO-Leu-D-Phe(4-Br)-D-Trp-OH22 HIM-CO-Leu-D-Phe(3-NO2)-D-Trp-OH23 HIM-CO-Leu-D-Phe(4-F-3-Cl)-D-Trp-OH24 HIM-CO-Leu-D-Phe(3-CO-D-Trp-OH)-D-Trp-OH25 HIM-CO-Leu-D-Phe(4-CO-D-Trp-OH)-D-Trp-OH26 HIM-CO-Leu-D-Phe(2-CH3-3-Cl)-D-OH27 苯氧基-CO-Pho-D-Trp-D-Phe(2-F)-OH28 苯氧基-CO-Pro-D-Trp-D-Phe(3-F)-OH29 苯氧基-CO-Pro-D-Trp-D-Phe(4-F)-OH30 苯氧基-CO-Pro-D-Trp-D-Phe(2-Cl)-OH31 苯氧基-CO-Pro-D-Trp-D-Phe(3-Cl)-OH32 苯氧基-CO-Pro-D-Trp-D-Phe(4-Cl)-OH33 苯氧基-CO-Pro-D-Trp-D-Phe(4-Br)-OH34 苯氧基-CO-Pro-D-Trp-D-Phe((3-NO2)-OH35 苯氧基-CO-Pro-D-Trp-D-Phe(4-F-3-Cl)-OH36 苯氧基-CO-Pro-D-Trp-D-Phe(2,4-Cl)-OH37 苯氧基-CO-Pro-D-Trp-D-Phe(2,5-Cl)-OH38 苯氧基-CO-Pro-D-Trp-D-Phe(3-COOH)-OH39 苯氧基-CO-Pro-D-Trp-D-Phe(4-COOH)-OH40 苯氧基-CO-Pro-D-Trp-D-Phe(2-CH3-3-Cl)-OHo-CPh:
41 o-CPh-D-Trp-D-Phe(2-F)-OH42 o-CPh-D-Trp-D-Phe(3-F)-OH43 o-CPh-D-Trp-D-Phe(4-F)-OH44 o-CPh-D-Trp-D-Phe(2-Cl)-OH45 o-CPh-D-Trp-D-Phe(3-Cl)-OH46 o-CPh-D-Trp-D-Phe(4-Cl)-OH47 o-CPh-D-Trp-D-Phe(4-Br)-OH48 o-CPh-D-Trp-D-Phe(3-NO2)-OH49 o-CPh-D-Trp-D-Phe(3-COOH)-OH50 o-CPh-D-Trp-D-Phe(4-COOH)-OH51 o-CPh-D-Trp-D-Phe(2,4-Cl)-OH52 o-CPh-D-Trp-D-Phe(2,5-Cl)-OH53 o-CPh-D-Trp-D-Phe(2-CH3-3-Cl)-OH。
6.权利要求4或5的药物组合物,其中式I三肽衍生物或其立体异构体选自:1 HIM-CO-NH-CH2-CH2-CO-D-Trp-D-Trp-OH2 HIM-CO-GABA-D-Trp-D-Trp-OH3 HIM-CO-NH-(CH3)2-CO-D-Trp-D-Trp-OH4 HIM-CO-Leu-D-Trp-D-Phe(2-F)-OH5 HIM-CO-Leu-D-Trp-D-Phe(3-F)-OH6 HIM-CO-Leu-D-Trp-D-Phe(4-F)-OH7 HIM-CO-Leu-D-Trp-D-Phe(2-Cl)-OH8 HIM-CO-Leu-D-Trp-D-Phe(3-Cl)-OH9 HIM-CO-Leu-D-Trp-D-Phe(4-Cl)-OH10 HIM-CO-Leu-D-Trp-D-Phe(4-Br)-OH11 HIM-CO-Leu-D-Trp-D-Phe(3-NO2)-OH12 HIM-CO-Leu-D-Trp-D-Phe(3-COOH)-OH13 HIM-CO-Leu-D-Trp-D-Phe(4-COOH)-OH14 HIM-CO-Leu-D-Trp-D-Phe(3-Cl-4-F)-OH15 HIM-CO-Leu-D-Trp-D-Phe(2,4-Cl)-OH16 HIM-CO-Leu-D-Trp-D-Phe(2,5-Cl)-OH17 HIM-CO-Leu-D-Trp-D-Phe(2-CH3-3-Cl)-OH18 HIM-CO-Leu-D-Phe(2-F)-D-Trp-OH21 HIM-CO-Leu-D-Phe(4-Br)-D-Trp-OH22 HIM-CO-Leu-D-Phe(3-NO2)-D-Trp-OH23 HIM-CO-Leu-D-Phe(4-F-3-Cl)-D-Trp-OH24 HIM-CO-Leu-D-Phe(3-CO-D-Trp-OH)-D-Trp-OH25 HIM-CO-Leu-D-Phe(4-CO-D-Trp-OH)-D-Trp-OH26 HIM-CO-Leu-D-Phe(2-CH3-3-Cl)-D-Trp-OH。
7.式I三肽衍生物或其立体异构体衍生物的制备方法,其包括:
1)将RCO-A-OH化合物与B-OP在DMF,DCM,NMM,DIC-HOBt中反应,其中R,A,B,如上定义,P为C1-4烷基,生成RCO-A-B-OP,
2)将1)中所得产物在1M氢氧化钠/甲醇溶液中皂化,然后在1M盐酸中酸化,生成RCO-A-B-OH,
3)将2)中产物RCO-A-B-OH与C-OP在DMF,DCM,NMM,DIC-HOBt中反应,其中P为C1-4烷基,生成RCO-A-B-C-OP,所得产物如2)中所述进行反应,生成式IRCO-A-B-C-OH。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001186663A CN1155611C (zh) | 2000-06-21 | 2000-06-21 | 内皮素拮抗剂 |
| US10/312,012 US6953780B2 (en) | 2000-06-21 | 2001-06-21 | Endothelin antagonist |
| PCT/CN2001/001032 WO2002032933A1 (fr) | 2000-06-21 | 2001-06-21 | Antagonistes de l'endotheline |
| AU2001295398A AU2001295398A1 (en) | 2000-06-21 | 2001-06-21 | Endothelin antagonist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001186663A CN1155611C (zh) | 2000-06-21 | 2000-06-21 | 内皮素拮抗剂 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1330075A true CN1330075A (zh) | 2002-01-09 |
| CN1155611C CN1155611C (zh) | 2004-06-30 |
Family
ID=4587314
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001186663A Expired - Fee Related CN1155611C (zh) | 2000-06-21 | 2000-06-21 | 内皮素拮抗剂 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6953780B2 (zh) |
| CN (1) | CN1155611C (zh) |
| AU (1) | AU2001295398A1 (zh) |
| WO (1) | WO2002032933A1 (zh) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007045184A1 (fr) * | 2005-10-20 | 2007-04-26 | Institute Of Pharmacology And Toxicology Academy Of Military Medical Sciences P.L.A. China | Peptides dont le site 2 contient de la proline ou un crico-aminoacide, utilises en tant qu’antagonistes des recepteurs de l’essence endotheliale |
| CN1908183B (zh) * | 2006-08-16 | 2010-09-29 | 上海奥利实业有限公司 | 具内皮素拮抗作用的天然蛋白的酶解混合肽 |
| CN101747411B (zh) * | 2008-11-28 | 2012-07-25 | 北京大学 | 氨基酰色氨酰色氨酸三肽苄酯及其制备方法和应用 |
| CN101519427B (zh) * | 2008-02-29 | 2015-02-25 | 中国人民解放军军事医学科学院毒物药物研究所 | 具有内皮素受体拮抗活性的肽类衍生物及其药物组合物和用途 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2008011844A (es) * | 2006-03-13 | 2008-10-02 | Encysive Pharmaceuticals Inc | Formulaciones de sitaxsentano de sodio. |
| JP2009530284A (ja) * | 2006-03-13 | 2009-08-27 | エンサイシブ・ファーマシューティカルズ・インコーポレイテッド | 拡張期心不全を治療するための方法と組成物 |
| US20080026061A1 (en) * | 2006-06-22 | 2008-01-31 | Reichwein John F | Crystalline N-(4-chloro-3-methyl-5-isoxazolyl)-2-[2-methyl-4.5-(methylenedioxy)phenylacetyl]-thiophene-3-sulfonamide |
| US10144767B2 (en) * | 2016-08-18 | 2018-12-04 | Board Of Regents Of The University Of Nebraska | Anti-microbial peptides and coatings |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2043741C (en) * | 1990-06-07 | 2003-04-01 | Kiyofumi Ishikawa | Endothelin antagonistic peptide derivatives |
| US5260276A (en) * | 1991-06-14 | 1993-11-09 | Warner-Lambert Company | Linear and monocyclic endothelin antagonists |
| EP0548441A1 (en) * | 1991-12-23 | 1993-06-30 | Japat Ltd | Endothelin antagonists |
| JPH07228594A (ja) * | 1994-02-18 | 1995-08-29 | Suntory Ltd | エンドセリン受容体拮抗ペプチド |
-
2000
- 2000-06-21 CN CNB001186663A patent/CN1155611C/zh not_active Expired - Fee Related
-
2001
- 2001-06-21 WO PCT/CN2001/001032 patent/WO2002032933A1/zh not_active Ceased
- 2001-06-21 US US10/312,012 patent/US6953780B2/en not_active Expired - Fee Related
- 2001-06-21 AU AU2001295398A patent/AU2001295398A1/en not_active Abandoned
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007045184A1 (fr) * | 2005-10-20 | 2007-04-26 | Institute Of Pharmacology And Toxicology Academy Of Military Medical Sciences P.L.A. China | Peptides dont le site 2 contient de la proline ou un crico-aminoacide, utilises en tant qu’antagonistes des recepteurs de l’essence endotheliale |
| CN1908183B (zh) * | 2006-08-16 | 2010-09-29 | 上海奥利实业有限公司 | 具内皮素拮抗作用的天然蛋白的酶解混合肽 |
| CN101519427B (zh) * | 2008-02-29 | 2015-02-25 | 中国人民解放军军事医学科学院毒物药物研究所 | 具有内皮素受体拮抗活性的肽类衍生物及其药物组合物和用途 |
| CN101747411B (zh) * | 2008-11-28 | 2012-07-25 | 北京大学 | 氨基酰色氨酰色氨酸三肽苄酯及其制备方法和应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20040038906A1 (en) | 2004-02-26 |
| AU2001295398A1 (en) | 2002-04-29 |
| WO2002032933A1 (fr) | 2002-04-25 |
| CN1155611C (zh) | 2004-06-30 |
| US6953780B2 (en) | 2005-10-11 |
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