CN1070484C - 促使血清脂质减少的1,4-苯并噻吖庚因-1,1-二氧化物 - Google Patents
促使血清脂质减少的1,4-苯并噻吖庚因-1,1-二氧化物 Download PDFInfo
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- CN1070484C CN1070484C CN98108046A CN98108046A CN1070484C CN 1070484 C CN1070484 C CN 1070484C CN 98108046 A CN98108046 A CN 98108046A CN 98108046 A CN98108046 A CN 98108046A CN 1070484 C CN1070484 C CN 1070484C
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Abstract
本发明涉及新的促血清脂质减少的化合物,其制备方法和制备它们的新中间体,含有它们的药物组合物及其在药物中的用途,特别是预防和治疗高血脂症,如动脉粥样硬化。
式(Ⅰ)的化合物,其中R1-R10和X如说明书所定义。
Description
本发明涉及新的促血清脂质减少的化合物,其制备方法和制备它们的新中间体,含有它们的药物组合物及其在药物中的用途,特别是预防和治疗高血脂症,如动脉粥样硬化。
高血脂症常常与低密度脂蛋白(LDL)胆固醇和非常低密度脂蛋白(VLDL)胆固醇的高血浆浓度有关。通过减少从肠中吸收胆汁酸可以降低这种浓度。实现该目的的一种方法是抑制在末端回肠中胆汁酸活性摄取系统。这种抑制刺激了通过肝胆固醇向胆汁酸的转化并且所产生的对胆固醇需求的增加导致从血浆或血清中LDL和VLDL胆固醇清除率的相应增加。
现在已经确认一类降低LDL和VLDL胆固醇的血浆或血清浓度的新杂环化合物,它们是特别有用的促血清脂质减少的药物。通过减少血浆中胆固醇和胆固醇酯的浓度,本发明化合物阻止动脉粥样硬化损伤的建立并且减少与冠心病相关的疾病的突发。后者被定义为与血浆或血清中的胆固醇和胆固醇酯的浓度增加相关的心脏病。
在本说明书中,高血脂症被定义为血浆或血清中胆固醇的总浓度(LDL+VLDL)大于240mg/dL(6.21mmol/L)时的任何疾病(J.Amer.Med.Assn.,256,20,2849-2858(1986))。
现在我们发现了一组在体内促血清脂质减少活性大于具体公开在国际专利申请WO 96/05188中的那些化合物活性的化合物。这些化合物的R7定义不同。
因此,本发明提供式(Ⅰ)化合物及其盐,溶剂化物,及生理功能衍生物其中R1是直链C1-6烷基;R2是直链C1-6烷基;R3是氢或基团OR11,其中R11是氢,任意取代的C1-6烷基或C1-6烷基羰基;R4是吡啶基或任意取代的苯基;R5,R6和R8相同或不同并且分别选自氢,卤素,氰基,R15-乙炔化物,OR5,任意取代的C1-6烷基,COR15,CH(OH)R15,S(O)nR15,P(O)(OR15)2,OCOR15,OCF3,OCN,SCN,NHCN,CH2OR15,CHO,(CH2)pCN,CONR12R13,(CH2)pCO2R15,(CH2)pNR12R13,CO2R15,NHCOCF3,NHSO2R15,OCH2OR15,OCH=CHR15O(CH2CH2O)nR15,O(CH2)pSO3R15,O(CH2)pNR12R13及O(CH2)pN+R12R13R14其中p是整数1-4,n是整数0-3及R12,R13,R14和R15各自选自氢和任意取代的C1-6烷基;R7是下式基团或
其中羟基可以被乙酰基或苄基取代,或-(C1-C6)-烷基-R17其中烷基可以被一个或多个羟基取代;R16是-COOH,-CH2-OH,-CH2-O-乙酰基,-COOMe,-COOEt;R17是H,-OH,-NH2,-COOH或COOR18;R18是(C1-4)-烷基或-NH-(C1-4)-烷基;X是-NH-或-O-;及R9和R10相同或不同并且分别是氢或C1-6-烷基。
当R4是取代的苯基时,可以有1-5个,优选1或2个相同或不同选自下列的取代基:卤素,羟基,硝基,苯基-C1-6-烷氧基,C1- 6-烷氧基,任意取代的C1-6-烷基,S(O)nR15,CO2R15,O(CH2CH2O)nR15,O(CH2)pSO3R15,O(CH2)pNR12R13及O(CH2)pN+R12R13R14,其中R12-R15,n和p定义如上。
当一个或多个R3-R6,R8或R11-R14是取代的C1-6-烷基,或者包括C1-6-烷基时,取代基可以相同或不同并且分别选自羟基,卤素,C1-6-烷基,C1-6-烷氧基,COR20,腈,CO2R20,SO3R20,NR21R22,N+R21R22R23,其中R20-R23相同或不同并且分别选自氢或C1-6-烷基。
适当的R1是甲基,乙基或正丙基,R1优选是乙基。适当的R2是甲基,乙基,正丙基,正丁基或正戊基。R2优选正丁基。
R5优选是氢。
适当的R7选自
适当的X是-O-。
适当的R9和R10是氢,甲基或乙基。
R9和R10优选都是氢。
适当的R4是吡啶基或任意取代的,优选在4-和/或3-位被卤素,甲基,乙基,甲氧基,乙氧基,三氟甲基,羟基,羧基或O(CH2)3SO3H取代的苯基。R4优选为未取代的苯基。
在式(Ⅲ)化合物中,适合至少一个并且优选所有R5,R6和R8是氢。当R5,R6和R8不是氢时,它们优选是任意被氟,C1-4烷氧基,卤素或羟基,最优选甲基,甲氧基,羟基,三氟甲基或氯及优选甲氧基取代的C1-4烷基。
在式(Ⅳ)化合物中,适合R5,R6和R8中的2个或3个是氢,其它为任意被氟,C1-4烷氧基,卤素或羟基,最优选甲基,甲氧基,羟基,三氟甲基或氯及优选甲氧基取代的C1-4烷基。
在式(Ⅳa)化合物中,适合至少一个并且优选所有R5,R6和R8是氢。当R5,R6和R8不是氢时,它们优选是任意被氟,C1-4烷氧基,卤素或羟基,最优选甲基,甲氧基,羟基,三氟甲基或氯及优选甲氧基取代的C1-4烷基。最优选地,R1是正丁基,R2是乙基,R3,R5,R6,R8,R9和R10是氢,R4是苯基及R7是
可药用盐特别适合药物应用,因为它们比母体,即基本化合物,具有更好的水溶性。这种盐必须确实具有可药用阴离子或阳离子。本发明化合物适合的可药用酸加成盐包括从无机酸,如盐酸,氢溴酸,磷酸,偏磷酸,硝酸,磺酸和硫酸,和有机酸,如乙酸,苯磺酸,苯甲酸,柠檬酸,乙磺酸,富马酸,葡糖酸,乙醇酸,异硫羰酸,乳酸,乳糖酸,马来酸,苹果酸,甲磺酸,琥珀酸,对甲苯磺酸,酒石酸和三氟乙酸衍生的盐。盐酸盐是特别优选的药用盐。适合的可药用碱式盐包括铵盐,碱金属盐,如钠和钾盐,和碱土金属盐,如镁和钙盐。
具有非药用阴离子的盐是本发明范围内用于制备或纯化可药用盐的有用中间体和/或用于非治疗,例如,体外应用。
这里所用术语“生理功能衍生物”指本发明化合物的任何生理上可接受的衍生物,例如,在给药哺乳动物如人后,能提供(直接或间接)这种化合物或其活性代谢产物的酯。
本发明另一方面提供本发明化合物的前药。这种前药可以在体内代谢为本发明化合物。这种前药本身可以是活性的或非活性的。
本发明化合物也可以存在不同的多晶型,例如,无定形和结晶多晶型。本发明化合物的所有多晶型均属于本发明范围并且是本发明的另一个方面。
这里所用术语“烷基”除非另有说明指一价直链或支链基团。同样,术语“烷氧基”指通过氧原子与母体分子部分连接的一价直链或支链基团。术语“苯基烷氧基”指与二价C1-6亚烷基(其本身通过氧原子与母体分子部分连接)连接的一价苯基。
式(Ⅰ)化合物以其中碳中心-C(R1)(R2)-和-CHR4-是手性中心的形式存在。本发明包括基本上没有其它任何光学异构体,即相关其它光学异构体少于5%的每一种可能的光学异构体,和任何比例的一种或多种光学异构体混合物,包括外消旋混合物。
在本说明书中,上述碳中心的绝对手性以-C(R1)(R2)-和-CHR4-顺序给出。
对于其中-C(R1)(R2)-和-CHR4-的绝对立体化学还没有确定的情况,本发明化合物根据R1/R2和H/R4取代基的相对位置确定。因此,其中较大的R1和R2取代基,即质量较大的取代基,和R4取代基在噻吖庚因环的同侧的化合物在此称为“顺”,其中较大的R1和R2取代基在噻吖庚因环的异侧的化合物称为“反”并且是优选的。技术人员应当明白,当化合物样品通过偏振光时,根据其平面旋转的方向,本发明“顺”和“反”化合物分别存在两个对映异构体形式,分别被定义为“(+)-”或“(-)-”。其中单一非对映异构体还没有拆分的本发明顺或反化合物用前缀“(+)-”表示。
本发明另一方面还提供:(a)用作治疗剂,特别是预防和治疗需要胆汁酸摄取抑制剂的临床疾病,例如,高血脂症,如动脉粥样硬化的式(Ⅰ)化合物或其可药用盐,溶剂化物或生理功能衍生物;(b)含有式(Ⅰ)化合物或其一种可药用盐,溶剂化物,或生理功能衍生物,至少一种可药用载体及任选一种或多种其它生理活性剂的药物组合物;(c)式(Ⅰ)化合物或其可药用盐,溶剂化物或生理功能衍生物在制备用于预防或治疗需要胆汁酸摄取抑制剂的临床疾病,例如,高血脂症,如动脉粥样硬化药物中的应用;(d)抑制胆汁酸从哺乳动物如人肠中吸收的方法,该方法包括给哺乳动物施用抑制胆汁酸吸收有效量的式(Ⅰ)化合物或其可药用盐,溶剂化物,或生理功能衍生物;(e)降低哺乳动物如人的LDL和VLDL胆固醇的血浆或血清浓度的方法,该方法包括给哺乳动物施用降低胆固醇有效量的式(Ⅰ)化合物或其可药用盐,溶剂化物,或生理功能衍生物;(f)降低哺乳动物如人的血浆或血清中胆固醇和胆固醇酯的浓度的方法,该方法包括给哺乳动物施用降低胆固醇和胆固醇酯有效量的式(Ⅰ)化合物或其可药用盐,溶剂化物,或生理功能衍生物;(g)增加哺乳动物如人的粪便排泄胆汁酸的方法,该方法包括给哺乳动物施用增加粪便排泄胆汁酸有效量的式(Ⅰ)化合物或其可药用盐,溶剂化物,或生理功能衍生物;(h)预防或治疗哺乳动物如人需要胆汁酸摄取抑制剂的临床疾病,例如,高血脂症,如动脉粥样硬化的方法,该方法包括给哺乳动物施用治疗有效量的式(Ⅰ)化合物或其可药用盐,溶剂化物,或生理功能衍生物;(i)降低哺乳动物如人冠心病相关疾病突发的方法,该方法包括给哺乳动物施用降低冠心病相关疾病突发有效量的式(Ⅰ)化合物或其可药用盐,溶剂化物,或生理功能衍生物;(j)降低哺乳动物如人的血浆或血清中胆固醇浓度的方法,该方法包括施用降低胆固醇有效量的式(Ⅰ)化合物;(k)制备式(Ⅰ)化合物(包括这里定义的其盐,溶剂化物及生理功能衍生物)的方法;及(l)在制备式(Ⅰ)化合物中新的化学中间体。(m)下面公开的合成实施例1-5的化合物。
此后所有涉及的“式(Ⅰ)化合物”指上述定义的式(Ⅰ)化合物及这里定义的其盐,溶剂化物和生理功能衍生物。
当然,需要达到所需生物学效应的式(Ⅰ)化合物的量将取决于许多因素,例如,所选的具体化合物,其用途,给药方式和患者的临床疾病。一般地,日剂量为0.3mg-100mg(优选3mg-50mg)/天/kg体重,例如3-10mg/kg/天。静脉剂量可以是,例如,0.3mg-1.0mg/kg,其可以方便地以10ng-100ng/kg/分钟输注液给药。适于这种目的的输注液每毫升可以含有,例如0.1ng-10mg,优选1ng-10mg活性化合物。单位剂量可以含有,例如1mg-10g活性化合物。因此用于注射的安瓿可以含有,例如,1mg-100mg活性化合物,口服给药单位剂量制剂如片剂或胶囊可以含有,例如1.0-1000mg,优选10-600mg活性化合物。对于可药用盐,上述重量指从盐衍生的苯并噻吖庚因离子的重量。
对于预防或治疗上述疾病,可以使用式(Ⅰ)化合物本身,但优选使用与可接受的载体一起形成的药物组合物。当然,载体必须是与其它组合物成分在配伍意义上是可以接受的并且对患者无害。载体可以是固体或液体,或固体加液体,并且优选与化合物制成单位剂量的组合物,例如,片剂,其中可以含有0.05%-95%(重量)的活性化合物。包括式(Ⅰ)的其它化合物的其它药物活性物质也可以存在。本发明药物组合物可以通过任何基本上由混合组分组成药物的已知技术制备。
本发明药物组合物包括适于口服,直肠,表面,颊(例如舌下)和非肠道(例如皮下,肌内,皮内,或静脉内)给药的组合物,尽管大多数在任何给定情况下最适当的途径将取决于要治疗疾病的性质和严重程度及所用具体的式(Ⅰ)化合物的性质。肠溶衣包衣和肠溶衣包衣缓释制剂也属于本发明范围。优选耐酸和耐胃液制剂。适宜的肠溶衣包衣包括纤维素乙酸酯邻苯二甲酸酯,聚乙烯基乙酸酯邻苯二甲酸酯,羟基丙基甲基纤维素邻苯二甲酸酯和甲基丙烯酸和甲基丙烯酸甲酯的阴离子聚合物。
适于口服的药物组合物可以独立单位形式存在,如胶囊,扁囊剂,锭剂,或片剂,每个含有预定量粉末或颗粒状式(Ⅰ)化合物;在水或非水液体中的溶液或悬浮液;水包油或油包水型乳液。如上所述,这种组合物可以通过任何包括将活性化合物与载体(其可以构成一种或多种附加成分)结合的步骤的适当的药学方法制备。一般地,组合物的制备通过将活性化合物与液体或细碎的固体载体或两者均匀和充分混合,如果需要,成型产品。例如,片剂可以通过将粉末或颗粒的化合物与任选一种或多种附加成分压片或成型来制备。压片可以通过在适当的机器中将自由流动的化合物,如粉末或颗粒与任选混合的粘结剂,润滑剂,惰性稀释剂和/或表面活性剂/分散剂进行压片。成型片剂可以通过在适当的机器中成型粉末状用惰性液体稀释剂润湿的化合物进行。
适合颊(舌下)给药的药物组合物包括在矫味基体,通常是蔗糖,阿拉伯胶或黄蓍胶中含有式(Ⅰ)化合物的锭剂,在惰性基体如明胶或甘油或蔗糖和阿拉伯胶中含有化合物的软锭剂。
适于非肠道给药的药物组合物通常为式(Ⅰ)化合物的灭菌水性制剂,优选与患者血液等渗。尽管给药也可以通过皮下,肌内,或皮内注射进行,但是这些制剂优选通过静脉给药。这种制剂一般可以通过将化合物与水混合并且使所得溶液无菌及与血液等渗来制备。本发明可注射组合物通常含有0.1-5%w/w的活性化合物。
适于直肠给药的药物组合物优选以单位剂量的栓剂存在。其可通过将式(Ⅰ)化合物与一种或多种常规固体载体,例如,可可脂混合,然后成型所得混合物而制备。
适于皮肤表面使用的药物组合物优选为油膏,乳膏,洗液,糊剂,喷剂,气雾剂,或油。可以使用的载体包括凡士林,羊毛脂,聚乙二醇,醇类,及上述两种或多种混合物。活性化合物通常在组合物中的浓度为0.1-15%w/w,例如,0.5-2%。
也可以经皮给药。适于经皮给药的药物组合物可以是适于保持与患者的表皮充分接触一定时间的独立贴剂。这种贴剂优选在任选的缓冲水溶液中含有活性化合物,或者活性化合物溶解和/或分散在胶粘剂中,或分散在聚合物中。活性化合物的适当的浓度约为1%-35%,优选约3%-15%。对于一种具体情况,活性化合物可以从贴剂中通过电转移法或离子电渗法被传递,例如,在药物研究(PharmaceuticalResearch),2(6),318(1986)所述方法。
本发明化合物可以通过本领域技术人员已知的常规方法或本领域中所述方法的类似方法制备。
例如,式(Ⅰ)化合物可通过下述方法制备,该方法包括a)用标准方法(例如,用N,N-羰基二咪唑)在-X-H-基团上酰化式(Ⅱ)化合物或a)用标准方法在-X-H-基团上烷基化式(Ⅱ)化合物,或a)用标准方法,特别是用亚氨酸酯(imidate)方法在-X-H-基团上葡糖基化或葡糖苷化(glucuronidation)式(Ⅱ)化合物,及b)除去保护基,特别是羟基和氨基功能基,例如用水解除去乙酰基,用氢解除去苄基。
式(Ⅱ)化合物可以根据公开在WO 96/05188中的制备方法制备。
基本上没有其它光学异构体的式(Ⅰ)化合物可以通过手性合成,例如用适当的手性起始原料,如氮丙啶,或通过拆分从非手性合成得到的产物,例如通过手性hplc或用手性酸进行的经典拆分获得。
式(Ⅰ)化合物,或含有碱性取代基的式(Ⅰ)化合物任选地转化为相应的酸加成盐可以通过与适当的酸,例如,上述酸之一的溶液反应进行。含有酸性取代基的式(Ⅰ)化合物任选地转化为相应的碱式盐可以通过与适当的碱溶液,例如,氢氧化钠反应进行。生理功能衍生物,如酯的任意转化可以通过本领域技术人员已知的方法或者从化学文献中获得的方法进行。
另外,通过本领域技术人员已知的标准方法或者从文献中得到的方法,例如羟基的烷基化,可将式(Ⅰ)化合物转化为不同的式(Ⅰ)化合物。
本发明化合物与WO 96/05188中的化合物no.11的促血清脂质减少活性比较:
为了证明本发明化合物的较高促血清脂质减少活性,试验用3个遗传修饰细胞系进行。这些细胞系是公知的“中国仓属卵巢(Chinesehamster ovary)”(CHO)细胞系衍生物,因为其中掺入了表达质粒,而另外产生了钠依赖胆汁酸转运蛋白。在这种情况下,第一个细胞系(CHO/pRIBAT8)是兔(RIBAT)回肠转运蛋白,第二个(CHO/pHIBAT8)是人(HIBAT)回肠转运蛋白,第三个(CHO/pHLBAT5)是人肝转运蛋白。所有质粒是以标准质粒pCDNA1neo为基础,作为重要元素,其具有异源基因永久表达的巨细胞病毒启动子和产生抗物质G418细胞抗性的基因。
用于生产产生RIBAT细胞系(pRIBAT8)的质粒的起始原料是兔末端回肠总RNA。为此,利用RT-PCR方法(逆转录酶反应,接着聚合酶链反应)借助于寡核苷酸5’-gtcagaccagaagcttgggcttctgcagac-3’和5’-atcttaataatattctagacagtttttctttg-3’,合成含有RIBAT总蛋白编码区,且在5’-相邻区有41个碱基对和在3’-相邻非翻译区有31个碱基对的cDNA。该区域两侧是限制酶Hind3(在5’-末端)和Xba1(在3’-末端)的切割位点。将所得质粒pcDNA1neo的cDNA和DNA用两个上述限制酶消化并利用连接酶将所得片段合并得到表达质粒pRIBAT8。
产生HIBAT细胞系(pHIBAT)的质粒用类似pRIBAT8的方法制备。在这种情况下,人末端回肠的总RNA和寡核苷酸5’-taaaagttggatccggtagaagtaaacg-3’和5’-tctgttttgtcctctagatgtctacttttc-3’为起始原料。除了HIBAT的总蛋白编码区外,所得cDNA在5’-相邻区也含有97个碱基对及在3’-相邻非翻译区含有5个碱基对。该区域两侧是限制酶BamH1(在5’-末端)和Xba1(在3’-末端)的切割位点。将所得质粒pcDNA1neo的cDNA和DNA用两个上述限制酶消化并利用连接酶将所得片段合并得到表达质拉pHIBAT8。
用人肝制备的商业上可得到的cDNA基因库为产生HLBAT的细胞系(pHLBAT5)质粒的起始原料。为此,使用PCR方法(聚合酶链反应)借助于寡核苷酸5’-ggagtggtcttccactggatcecaggaggatggagg-3’和5’-ccagaatccaggccacctctagaagggctaggctgt-3’,合成含有HLBAT的总蛋白编码区并且在5’-相邻区还含有7个碱基对和在3’-相邻非翻译区含有6个碱基对的cDNA。该区域两侧是限制酶BamH1(在5’-末端)和Xba1(在3’-末端)的切割位点。将所得质粒pcDNA1neo的cDNA和DNA用两个上述限制酶消化并利用连接酶将所得片段合并得到表达质粒pHLBAT5。
为了制备遗传修饰细胞系,将CHO细胞用pRIBAT8,pHIBAT8或pHLBAT5的DNA转染并将产生了抗所选物质G418抗性的细胞通过加入该物质到细胞培养基中再选择性培养。然后从一定量的抗G418的细胞中分离CHO/pRIBAT8,CHO/pHIBAT8和CHO/pHLBAT5细胞并由此培养纯克隆细胞系。在这种情况下用于分离方法之后的物质是荧光胆汁酸衍生物(3β-NBD-NCT;N-[7-(4-硝基苯并-2-噁-1,3-重氮盐)]-3β-氨基-7a,12a-二羟基-5β-胆烷-24-酰基)-2’-氨基乙磺酸酯。含有完整胆汁酸转运蛋白的细胞迅速从细胞培养基中吸收该物质,结果产生荧光。因此,借助于荧光显微镜很容易将它们与不含完整胆汁酸转运蛋白的细胞区分开。
所有三个细胞系有效的转运放射性标记的牛磺胆酸从细胞外培养基到细胞内。该过程是钠依赖性的。相反,不含完整胆汁酸转运蛋白的CHO细胞仅吸收非常少量的牛磺胆酸。基于该知识,本发明试验物质的特征鉴定如下进行:将CHO/pRIBAT8,CHO/pHIBAT8或CHO/pHLBAT5型细胞同时暴露在放射性标记的牛磺胆酸和试验物质的培养皿中并测定通过细胞放射性物质的吸收。这时试验物质的浓度从一个皿到另一个皿系统变化并且所有其它参数保持恒定。为了制备它们用于实验,将细胞在培养瓶的培养基(基本必要培养基(MEM);1%MEM非必需氨基酸溶液;10%胎牛血清;400g/mlG418)中进行常规培养,如果需要,利用胰蛋白酶从其环境中除去,以稀释形式接种在培养皿(直径3.5cm)中,再在培养基中培养。在达到细胞融合之前不久,将培养基从细胞中除去并将每个皿中的物质用1.5mlPBS(Dulbecco磷酸盐缓冲盐水溶液)洗涤两次。除去洗液后,将1ml预定浓度的试验物质的PBS加到每一个皿中并将其在21℃培养30分钟。用含有浓度4.3M和比放射性为7400Bq/ml的[24-14C]-牛磺胆酸的试验溶液代替预培养溶液,试验溶液与预培养溶液具有相同的体积和相同的组分。将细胞在21℃暴露在试验溶液中30分钟,然后每皿用1.5mlPBS洗涤5次。为了裂解细胞,在每皿中加入含有0.1mol/lNaOH和0.1%(重量/体积)SDS的1ml水溶液,将其在21℃培养30分钟并研制。最后,将每皿中的物质与10ml商用闪烁溶液混合并用闪烁测定仪测定细胞吸收放射性。
为了评价转运结果,放射性值不直接作图,而是在没有抑制试验物质情况下进行测定的放射性值与对照值的%关系。用图解法或算术法得到半-最大抑制值(IC50):实施例3 IC50(RIBAT):70nM=0.07μMWO96/05188的实施例11 IC50(RIBAT):4μM
在用类似方法研究相同物质对细胞系CHO/pHIBAT8转运的作用显示相应的IC50值约在相同的数量级内变化。相反,用CHO/pHLBAT5测定的IC50值要高几十倍。这说明本发明化合物对各种直向同源钠依赖胆汁酸转运蛋白可发挥相当大的作用,相反,对其它器官的共生同源转运蛋白的作用却非常低。
为了更好理解本发明,用说明的方式给出下列实施例(例如用N,N-羰基-二咪唑)但是不以任何方式构成对本发明范围的限制。
在室温和氩气下向2.9g甲基-2,3,4-三-O-乙酰基-葡糖醛酸的100ml无水二氯甲烷溶液中加入4.6ml三氯乙腈并将溶液搅拌10分钟。然后加入730mg碳酸钾。在室温搅拌30分钟后将混合物用少量硅胶过滤,用乙醚洗脱。真空浓缩滤液得到淡黄色固体粗产物(3.7g)。
将1.0g这种产物溶解在15ml无水二氯甲烷中并加到酚1(反式外消旋体)的30ml无水二氯甲烷溶液中。冷却至-10℃后加入0.32mlBF3·OEt2并且在-10℃30分钟后将混合物在室温搅拌20小时。然后用二氯甲烷稀释反应物并用碳酸氢钠水溶液和盐水洗涤。用Na2SO4干燥合并的有机相并真空蒸发。用硅胶色谱(正庚烷/乙酸乙酯1∶1)纯化粗产物得到625mg Rf=0.17(正庚烷/乙酸乙酯1∶1)实施例1产物。C34H43NO12S(689):MS(FAB,3-NBA):690(M+H+)实施例2 实施例3
向900mg实施例1产物的45ml甲醇溶液中加入15ml 1N NaOH。室温4小时后,加入150ml H2O并真空蒸发有机溶剂。用2N HCl调节水溶液的pH为3并蒸发至干。硅胶色谱分离(CH2Cl2/MeOH/33%氨水,30∶10∶3)得到两个馏分。1.馏分:实施例2,Rf=0.85(CH2Cl2/MeOH/33%氨水,30∶10∶3)(C27H33NO8S(531):MS(ESI):532(M+H+)2.馏分:实施例3,Rf=0.52(CH2Cl2/MeOH/33%氨水,30∶10∶3)(C27H35NO9S(549):MS(FAB,3-NBA):550(M+H+)
实施例5用类似实施例2的方法获得实施例5的产物Rf=0.20(CH2Cl2/MeOH/33%氨水,60∶10∶3)C27H37NO8S(535):MS(FAB,3-NBA):536(M+H+)实施例3的NMR数据在MeOHd4中在300K的化学位移
| 位置 | 异构体A1H | 异构体B1H | 异构体A13C | 异构体B13C |
| 1 | - | - | 58.51 | 58.51 |
| 2 | 3.50/3.14 | 3.50/3.16 | 64.63 | 64.63 |
| 3 | - | - | 142.36 | 142.36 |
| 4 | - | - | 140.61 | 140.61 |
| 5 | 6.00 | 6.01 | 55.74 | 55.74 |
| 6 | 1.57/1.44 | 1.57/1.44 | 34.38 | 34.38 |
| 7 | 0.88 | 0.88 | 7.94 | 7.94 |
| 8 | 2.22/1.79 | 2.22/1.79 | 31.95 | 31.95 |
| 9 | 1.17 | 1.17 | 26.22 | 26.22 |
| 10 | 1.26 | 1.26 | 24.06 | 24.06 |
| 11 | 0.81 | 0.81 | 14.31 | 14.31 |
| 12 | - | - | 143.98 | 143.98 |
| 13 | 7.39 | 7.39 | 129.05 | 129.05 |
| 14 | 7.38 | 7.38 | 129.36 | 129.36 |
| 15 | 7.29 | 7.29 | 128.09 | 128.09 |
| 16 | 6.61 | 6.61 | 131.10 | 131.10 |
| 17 | 7.17 | 7.17 | 121.72 | 121.72 |
| 18 | - | - | 157.69 | 157.69 |
| 19 | 7.72 | 7.73 | 117.81 | 117.81 |
| 20 | 4.91 | 4.91 | 102.46 | 102.46 |
| 21 | 3.48 | 3.48 | 74.62 | 74.62 |
| 22 | 3.48 | 3.48 | 77.71 | 77.71 |
| 23 | 3.50 | 3.50 | 73.53 | 73.53 |
| 24 | 3.70 | 3.70 | 76.45 | 76.45 |
| 25 | - | - | 176.21 | 176.21 |
Claims (9)
1.式(Ⅰ)化合物及其盐,溶剂化物,其中R1是直链C1-6烷基;R2是直链C1-6烷基;R3是氢或基团OR11,其中R11是氢,C1-6烷基或C1-6烷基羰基;R4是吡啶基或苯基;R5,R6和R8相同或不同并且分别选自氢,卤素,氰基,R15-乙炔化物,OR15,C1-6烷基,COR15,CH(OH)R15,S(O)nR15,P(O)(OR15)2,OCOR15,OCF3,OCN,SCN,NHCN,CH2OR15,CHO,(CH2)pCN,CONR12R13,(CH2)pCO2R15,(CH2)pNR12R13,CO2R15,NHCOCF3,NHSO2R15,OCH2OR15,OCH=CHR15,O(CH2CH2O)nR15,O(CH2)pSO3R15,O(CH2)pNR12R13及O(CH2)pN+R12R13R14其中p是整数1-4,n是整数0-3及R12,R13,R14和R15各自选自氢和C1-6烷基;R7是下式基团或
其中羟基可以被乙酰基或苄基取代,或-(C1-C6)-烷基-R17其中烷基可以被一个或多个羟基取代;R16是-COOH,-CH2-OH,-CH2-O-乙酰基,-COOMe或-COOEt;R17是H,-OH,-NH2,-COOH或COOR18;R18是(C1-4)-烷基或-NH-(C1-4)-烷基;X是-NH-或-O-;及R9和R10相同或不同并且分别是氢或C1-6-烷基。
2.根据权利要求1的化合物,它们是式(Ⅲ)化合物其中R1-R10和X如权利要求1定义。
4.根据权利要求1的化合物,它们是式(Ⅳa)化合物其中R1-R10和X如权利要求1定义。
6.含有一种或多种权利要求1-5之一化合物的药物组合物。
7.含有一种或多种权利要求1-5之一化合物的耐酸和耐胃液的药物组合物。
8.权利要求1-5之一的化合物或其可药用盐,溶剂化物在制备预防或治疗需要胆汁酸摄取抑制剂临床疾病的药物中的用途。
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| WO1993016055A1 (en) * | 1992-02-17 | 1993-08-19 | The Wellcome Foundation Limited | Hypolipidaemic benzothiazepine compounds |
| WO1994018184A1 (en) * | 1993-02-15 | 1994-08-18 | The Wellcome Foundation Limited | Hypolipidaemic compounds |
| WO1994018183A1 (en) * | 1993-02-15 | 1994-08-18 | The Wellcome Foundation Limited | Hypolipidaemic condensed 1,4-thiazepines |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SK280522B6 (sk) * | 1992-11-09 | 2000-03-13 | The Boots Company Plc | Deriváty 2,3,4,5-tetrahydro-1,4-benzotiazepínov, s |
| ZA956647B (en) * | 1994-08-10 | 1997-02-10 | Wellcome Found | Hypolipidaemic compounds. |
| DK0864582T3 (da) * | 1997-03-14 | 2003-09-29 | Aventis Pharma Gmbh | Hypolidemiske 1,4-benzothiazepin-1,1-dioxider |
-
1998
- 1998-03-03 DK DK98103702T patent/DK0864582T3/da active
- 1998-03-03 EP EP98103702A patent/EP0864582B1/en not_active Expired - Lifetime
- 1998-03-03 PT PT98103702T patent/PT864582E/pt unknown
- 1998-03-03 DE DE69815180T patent/DE69815180T2/de not_active Expired - Lifetime
- 1998-03-03 ES ES98103702T patent/ES2198613T3/es not_active Expired - Lifetime
- 1998-03-03 AT AT98103702T patent/ATE242258T1/de active
- 1998-03-11 AR ARP980101096A patent/AR011189A1/es unknown
- 1998-03-12 CZ CZ98759A patent/CZ75998A3/cs unknown
- 1998-03-12 IL IL12364898A patent/IL123648A/xx not_active IP Right Cessation
- 1998-03-12 ID IDP980360A patent/ID20053A/id unknown
- 1998-03-12 AU AU58349/98A patent/AU731575B2/en not_active Ceased
- 1998-03-12 CA CA002231971A patent/CA2231971C/en not_active Expired - Fee Related
- 1998-03-12 TR TR1998/00444A patent/TR199800444A2/xx unknown
- 1998-03-12 RU RU98104950/04A patent/RU2179977C2/ru not_active IP Right Cessation
- 1998-03-12 HU HU9800541A patent/HUP9800541A3/hu unknown
- 1998-03-12 NZ NZ329932A patent/NZ329932A/xx unknown
- 1998-03-13 JP JP06266598A patent/JP3282998B2/ja not_active Expired - Fee Related
- 1998-03-13 KR KR1019980008440A patent/KR19980080223A/ko not_active Ceased
- 1998-03-13 BR BR9801126A patent/BR9801126A/pt not_active IP Right Cessation
- 1998-03-13 US US09/041,953 patent/US6020330A/en not_active Expired - Lifetime
- 1998-03-13 CN CN98108046A patent/CN1070484C/zh not_active Expired - Fee Related
- 1998-03-13 ZA ZA982140A patent/ZA982140B/xx unknown
- 1998-03-14 PL PL98325363A patent/PL325363A1/xx not_active Application Discontinuation
-
1999
- 1999-07-27 US US09/361,530 patent/US6114322A/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993016055A1 (en) * | 1992-02-17 | 1993-08-19 | The Wellcome Foundation Limited | Hypolipidaemic benzothiazepine compounds |
| WO1994018184A1 (en) * | 1993-02-15 | 1994-08-18 | The Wellcome Foundation Limited | Hypolipidaemic compounds |
| WO1994018183A1 (en) * | 1993-02-15 | 1994-08-18 | The Wellcome Foundation Limited | Hypolipidaemic condensed 1,4-thiazepines |
Also Published As
| Publication number | Publication date |
|---|---|
| HUP9800541A3 (en) | 2000-08-28 |
| US6020330A (en) | 2000-02-01 |
| AR011189A1 (es) | 2000-08-02 |
| KR19980080223A (ko) | 1998-11-25 |
| ATE242258T1 (de) | 2003-06-15 |
| HUP9800541A1 (hu) | 1999-06-28 |
| TR199800444A3 (tr) | 1998-10-21 |
| ZA982140B (en) | 1998-09-14 |
| HU9800541D0 (en) | 1998-05-28 |
| EP0864582A2 (en) | 1998-09-16 |
| EP0864582A3 (en) | 1998-10-21 |
| IL123648A0 (en) | 1998-10-30 |
| DE69815180T2 (de) | 2004-04-29 |
| DE69815180D1 (de) | 2003-07-10 |
| NZ329932A (en) | 1999-01-28 |
| AU5834998A (en) | 1998-09-17 |
| JPH10279568A (ja) | 1998-10-20 |
| CA2231971A1 (en) | 1998-09-14 |
| PL325363A1 (en) | 1998-09-28 |
| CZ75998A3 (cs) | 1998-09-16 |
| CA2231971C (en) | 2008-05-20 |
| EP0864582B1 (en) | 2003-06-04 |
| ID20053A (id) | 1998-09-17 |
| AU731575B2 (en) | 2001-04-05 |
| ES2198613T3 (es) | 2004-02-01 |
| CN1194979A (zh) | 1998-10-07 |
| TR199800444A2 (xx) | 1998-10-21 |
| DK0864582T3 (da) | 2003-09-29 |
| JP3282998B2 (ja) | 2002-05-20 |
| PT864582E (pt) | 2003-10-31 |
| BR9801126A (pt) | 2000-03-21 |
| US6114322A (en) | 2000-09-05 |
| RU2179977C2 (ru) | 2002-02-27 |
| IL123648A (en) | 2000-11-21 |
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