CN106458907A - 3-(烷基磺酰基)吡啶-2-羧酸的制造方法 - Google Patents
3-(烷基磺酰基)吡啶-2-羧酸的制造方法 Download PDFInfo
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Abstract
本发明通过如下的制造方法来制造3‑(烷基磺酰基)吡啶‑2‑羧酸或其盐,该方法包括如下工序:使式(1‑N)所示的化合物和式(2)所示的化合物反应,得到式(3‑N)所示的化合物的工序;〔式中,X表示卤素原子。〕R2SM2(2)〔式中,R2表示C1~C8的直链烷基,M2表示氢原子或碱金属。〕〔式中,R2及X表示与上述相同含义。〕使式(3‑N)所示的化合物与过氧化氢在钨催化剂及酸的存在下反应,得到式(6‑N)所示的化合物的工序;〔式中,R2及X表示与上述相同含义。〕将式(6‑N)所示的化合物在碱及非均相系过渡金属催化剂的存在下进行还原,得到式(8‑N)所示的化合物的工序;〔式中,R2表示与上述相同含义。〕及将式(8‑N)所示的化合物在碱的存在下进行水解,由此得到式(7)所示的化合物或其盐的工序。〔式中,R2表示与上述相同含义。〕。
Description
技术领域
本发明涉及一种3-(烷基磺酰基)吡啶-2-羧酸的制造方法。
背景技术
3-(烷基磺酰基)吡啶-2-羧酸是作为医药农药的制造中间体重要的化合物(例如WO2013/018928),已知有各种的制造方法。
在Journal of Medicinal Chemistry,1974,17卷,10号,1065-1071页记载有由3-氨基吡啶甲酸制造3-(甲硫基)吡啶-2-羧酸的方法,在Journal of Medicinal Chemistry,1977,20卷,4号,572-576页记载有将3-(甲硫基)吡啶-2-羧酸导入到甲酯中后,进行氧化,接着进行水解,由此制造3-(甲基磺酰基)吡啶-2-羧酸的方法。
另一方面,作为制造3-(烷基硫基)吡啶-2-羧酸的方法,已知有使3-卤代吡啶-2-羧酸和硫醇化合物反应而制造的方(WO2013/018928)。
发明内容
本发明提供一种由3,6-二卤代吡啶-2-羧酸制造3-(烷基磺酰基)吡啶-2-羧酸的方法。
根据本发明,后述的式(7)所示的化合物或其盐可通过如下的制造方法制造,所述制造方法包括如下的工序,
使式(1-N)所示的化合物与式(2)所示的化合物反应,得到式(3-N)所示的化合物的工序AN;
〔式中,X表示卤素原子。〕
R2SM2 (2)
〔式中,R2表示C1~C8的直链烷基,M2表示氢原子或碱金属。〕
〔式中,R2及X表示与上述相同含义。〕
使式(3-N)所示的化合物与过氧化氢在钨催化剂及酸的存在下反应,得到式(6-N)所示的化合物的工序CN;
〔式中,R2及X表示与上述相同含义。〕
将式(6-N)所示的化合物在碱及非均相系过渡金属催化剂的存在下进行还原,得到式(8-N)所示的化合物的工序DN;
〔式中,R2表示与上述相同含义。〕
及
将式(8-N)所示的化合物在碱的存在下进行水解,由此得到式(7)所示的化合物或其盐的工序EN。
〔式中,R2表示与上述相同含义。〕
具体实施方式
以下,对本发明进行详细说明。
C1~C8的直链烷基是指甲基、乙基、丙基、丁基、辛基等。
卤素原子为氟原子、氯原子、溴原子、及碘原子。
碱金属是指锂、钠、钾、铯等。
工序AN是使式(1-N)所示的化合物(以后记载为化合物(1-N))和式(2)所示的化合物(以后记载为化合物(2))反应,制造式(3-N)所示的化合物(以后记载为化合物(3-N))的工序。
化合物(1-N)中,2个X表示相同的原子,优选为氯原子。
作为化合物(1-N),可列举3,6-二氯吡啶-2-羧酰胺及3,6-二溴吡啶-2-羧酰胺等。
化合物(1-N)可通过对应的羧酰卤与氨的反应制造。该羧酰卤可通过将对应的羧酸用酰卤等卤化而获得。
在化合物(2)中,R2优选为C1~C4的直链烷基,更优选为甲基及乙基。M优选为氢原子、钠及钾。
作为化合物(2),可列举甲硫醇、乙硫醇、丙硫醇、丁硫醇、辛硫醇等烷硫醇;甲硫醇锂、甲硫醇钠、甲硫醇钾、乙硫醇锂、乙硫醇钠、乙硫醇钾、丙硫醇锂、丙硫醇钠、丙硫醇钾、丁硫醇锂、丁硫醇钠、丁硫醇钾等烷硫醇碱金属盐等,优选为甲硫醇、乙硫醇、甲硫醇钠、甲硫醇钾、乙硫醇钠及乙硫醇钾。
在工序AN中,使用甲硫醇及乙硫醇等烷硫醇作为化合物(2)时,通常使碱共存来进行,作为碱可列举氢化锂、氢化钠、氢化钾等碱金属氢化物;氢氧化锂、氢氧化钠、氢氧化钾等碱金属氢氧化物;氢氧化钙、氢氧化钡等碱土金属氢氧化物;甲醇锂、甲醇钠、甲醇钾、乙醇锂、乙醇钠、乙醇钾、叔丁醇锂、叔丁醇钠、叔丁醇钾等烷醇碱金属盐等。优选为氢化钠、氢化钾、氢氧化钠、氢氧化钾、甲醇钠、甲醇钾、乙醇钠、乙醇钾、叔丁醇钠及叔丁醇钾。
反应通常在溶剂中进行,作为溶剂,可列举例如甲苯、二甲苯、乙基苯等芳香族烃溶剂;单氯苯、邻二氯苯等卤化芳香族烃溶剂;四氢呋喃、甲基叔丁基醚等醚溶剂;乙腈、丙腈等腈溶剂;乙酸乙酯、乙酸丙酯等酯溶剂;二氯甲烷、1,2-二氯乙烷等卤代烃溶剂;N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、N-甲基吡咯烷酮等酰胺溶剂;水及它们的混合溶剂。
工序AN通常通过混合化合物(1-N)及化合物(2)来进行,在混合之际,可以向化合物(1-N)中加入化合物(2),也可以向化合物(2)中加入化合物(1-N)。
使用碱的情况下,可列举向化合物(2)及碱的混合物中加入化合物(1-N)的方法,向化合物(1-N)中加入化合物(2)及碱的混合物的方法以及向化合物(1-N)及化合物(2)的混合物中加入碱的方法。
化合物(2)的使用量相对于化合物(1-N),通常为0.8~3.0摩尔倍,优选为1.0~1.5摩尔倍。
碱的使用量相对于化合物(2),通常为0.8~3.0摩尔倍,优选为0.9~1.2摩尔倍。
在反应混合物分离成有机层和水层的情况下,可以使用相转移催化剂,作为相转移催化剂,可列举四丁基溴化铵、四丁基氯化铵、四丁基羟基铵、苄基三甲基溴化铵、苄基三甲基氯化铵、苄基三甲基羟基铵等季铵盐;四丁基氯化鏻、四丁基溴化鏻、四丁基氢氧化鏻、四苯基溴化鏻、四苯基氯化鏻等鏻盐等。
相转移催化剂的使用量相对于化合物(2),通常为0.01~1.0摩尔倍,优选为0.02~0.3摩尔倍。
反应温度通常为-10~100℃,优选为0~60℃。反应时间因反应温度而各异,通常为1~50小时。
在反应结束后,通过向反应混合物加入水,以有机溶剂萃取,并浓缩所得的有机层,由此可以分离化合物(3-N)。所得的化合物(3-N)还可以利用柱色谱、重结晶进一步纯化。
作为化合物(3-N)的具体例,可列举6-氯-3-(甲硫基)吡啶-2-羧酰胺、6-氯-3-(乙硫基)吡啶-2-羧酰胺、6-氯-3-(丙硫基)吡啶-2-羧酰胺、6-氯-3-(丁硫基)吡啶-2-羧酰胺、6-溴-3-(甲硫基)吡啶-2-羧酰胺、6-溴-3-(乙硫基)吡啶-2- 羧酰胺、6-溴-3-(丙硫基)吡啶-2-羧酰胺及6-溴-3-(丁硫基)吡啶-2-羧酰胺。
工序CN是使化合物(3-N)与过氧化氢在钨催化剂及酸的存在下反应,而制造式(6-N)所示的化合物(以后记载为化合物(6-N))的工序。
过氧化氢通常以水溶液使用,其浓度通常为10~70wt%,优选为30~60wt%。
过氧化氢的使用量相对于化合物(3-N),通常为1.5~5摩尔倍,优选为2.0~3.0摩尔倍。
作为钨催化剂,可列举钨、钨酸、钨酸钠、氧化钨、磷钨酸钠、硅钨酸等,优选为钨酸钠。
钨催化剂的使用量相对于化合物(3-N)的100摩尔,通常为0.5~10摩尔的比例,优选为1.0~5.0摩尔的比例。
作为酸,可列举例如硫酸、甲磺酸、乙磺酸、硝酸、磷酸等水溶性的酸,优选为硫酸。
酸的使用量相对于化合物(3-N),通常为0.01~1摩尔倍,优选为0.05~0.2摩尔倍。
工序CN通常在溶剂中进行,溶剂使用水或水与有机溶剂的混合溶剂。作为有机溶剂,可列举例如甲苯、二甲苯、乙基苯等芳香族烃溶剂;单氯苯、邻二氯苯等卤化芳香族烃溶剂;四氢呋喃、甲基叔丁基醚等醚溶剂;乙腈、丙腈等腈溶剂;乙酸乙酯、乙酸丙酯等酯溶剂;二氯甲烷、1,2-二氯乙烷等卤代烃溶剂;N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、N-甲基吡咯烷酮等酰胺溶剂。
工序CN一般是下述方法:通常通过混合化合物(3-N)、过氧化氢、酸及钨催化剂来进行,混合时,向化合物(3-N)、钨催化剂、酸及水的混合物中加入过氧化氢。
工序CN可以在乙二胺四乙酸的钠盐的存在下实施。其使用量相对于钨催化剂,通常为0.8~1.5摩尔倍。
反应温度通常为10~100℃,优选为40~90℃。反应时间因反应温度而各异,通常为1~50小时。
在反应结束后,可通过除去过量的过氧化氢,滤出从反应混合物析出的固体;或可通过将反应混合物以有机溶剂萃取,浓缩所得的有机层,由此分离化合物(6-N)。化合物(6-N)还可以利用重结晶进一步纯化。
作为化合物(6-N),可列举6-氯-3-(甲基磺酰基)吡啶-2-羧酰胺、6-溴-3-(甲基磺酰基)吡啶-2-羧酰胺、6-氯-3-(乙基磺酰基)吡啶-2-羧酰胺、6-溴-3-(乙基磺酰基)吡啶-2-羧酰胺、6-氯-3-(丙基磺酰基)吡啶-2-羧酰胺、6-溴-3-(丙基磺酰基)吡啶-2-羧酰胺、6-氯-3-(丁基磺酰基)吡啶-2-羧酰胺、6-溴-3-(丁基磺酰基)吡啶-2-羧酰胺等。
工序DN是将化合物(6-N)在碱及非均相系过渡金属催化剂的存在下进行还原,得到式(8-N)所示的化合物(以后记载为化合物(8-N))的工序。
作为非均相系过渡金属催化剂,可列举钯/碳、钯/二氧化硅、钯/氧化铝、钯/硫酸钡等非均相系钯催化剂;铂/碳、铂/二氧化硅、铂/氧化铝等非均相系铂催化剂;钌/碳、钌/二氧化硅、钌/氧化铝等非均相系钌催化剂;铑/碳、铑/二氧化硅、铑/氧化铝等非均相系铑催化剂;铱/碳等非均相系铱催化剂;锇/碳等非均相系锇催化剂;镍硅藻土催化剂、阮内镍等非均相系镍催化剂;阮内钴催化剂等钴催化剂等,优选作为铂族元素的钯、铂、钌、铑、铱及锇的非均相系铂族催化剂。在工业上更优选使用非均相系钯催化剂,且最优选钯/碳。
非均相系催化剂的使用量相对于化合物(6-N)的100摩尔,通常为0.01~5摩尔的比例,优选为0.05~0.5摩尔的比例。
碱只要能够中和生成的卤化氢即可,可列举碳酸锂、碳酸钾、碳酸钠等碱金属碳酸盐;碳酸氢锂、碳酸氢钠、碳酸氢钾等碱金属碳酸氢盐;乙酸锂、乙酸钠、乙酸钾、草酸锂、草酸钠、草酸钾等碱金属羧酸盐;磷酸锂、磷酸钠、磷酸钾等碱金属磷酸盐;磷酸氢锂、磷酸氢钠、磷酸氢钾等碱金属磷酸氢盐;磷酸二氢锂、磷酸二氢钠、磷酸二氢钾等碱金属磷酸二氢盐等。
碱的使用量相对于化合物(6-N),通常为0.3~3摩尔倍,优选为0.5~1.5摩尔倍。
还原反应中,可使用氢、甲酸铵等还原剂。使用氢的情况下,氢分压通常为0.01~5Mpa,优选为0.05~1MPa。
使用甲酸铵的情况下,其量相对于化合物(6-N),通常为0.8~5摩尔倍,优选为1.0~3.0摩尔倍。
还原反应通常在溶剂中进行,作为溶剂,可列举例如水;甲醇、乙醇、2-丙醇等醇溶剂;甲苯、二甲苯、乙基苯等香族烃溶剂;四氢呋喃、甲基叔丁基醚等醚溶剂;乙酸乙酯、乙酸丙酯等酯溶剂;丙酮、甲基异丁基酮等酮溶剂;N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、N-甲基吡咯烷酮等酰胺溶剂等及其混合溶剂。
工序DN通常通过混合化合物(6-N)、碱、非均相系过渡金属催化剂及还原剂来进行,混合时,可使用例如向化合物(6-N)、碱及非均相系过渡金催化剂的混合物中加入还原剂的方法、向碱和非均相系过渡金催化剂的混合物中分别加入化合物(6-N)和还原剂的方法。
反应温度通常为10~100℃,优选为20~60℃。反应时间因反应温度、氢分压而各异,通常为1~50小时。
反应结束后,通过利用过滤除去催化剂等固体成分,浓缩滤液,可以得到式(8-N)所示的化合物(以后记载为化合物(8-N))。进一步加入水,以有机溶剂萃取,浓缩所得的有机层,由此能够分离化合物(8-N)。化合物(8-N)还可以利用重结晶进一步纯化。
作为化合物(8-N)的具体例,可列举3-(甲基磺酰基)吡啶-2-羧酰胺、3-(乙基磺酰基)吡啶-2-羧酰胺、3-(丙基磺酰基)吡啶-2-羧酰胺及3-(丁基磺酰基)吡啶-2-羧酰胺。
工序EN为通过将化合物(8-N)在碱的存在下进行水解,由此得到式(7)所示的化合物(以后记载为化合物(7))的工序。
作为碱,通常使用碳酸锂、碳酸钠、碳酸钾等碱金属碳酸盐;氢氧化锂、氢氧化钠、氢氧化钾等碱金属氢氧化物;氢氧化钙、氢氧化钡等碱土金属氢氧化物;甲醇锂、甲醇钠、甲醇钾、乙醇锂、乙醇钠、乙醇钾等烷醇碱金属盐等,优选使用氢氧化钠或氢氧化钾。
碱的使用量相对于化合物(8-N),通常为1.0~10摩尔倍、优选为1.5~3.0摩尔倍。
工序EN通常在溶剂中进行,作为溶剂,使用水、或水与甲醇、乙醇、异丙醇等醇溶剂的混合溶剂。
反应温度通常为10~150℃,优选为50~90℃。反应时间因反应温度而各异,通常为1~50小时。
反应结束后,通常化合物(7)处于盐的溶液的状态,可以将化合物(7)直接以盐形式分离。另外,可以通过向该溶液中加入盐酸、硫酸等酸水溶液,滤出析出的固体;或者向溶液中加入盐酸、硫酸等酸水溶液,以有机溶剂萃取,浓缩所得的有机层,由此分离化合物(7)。化合物(7)及其盐还可以利用重结晶进一步纯化。作为化合物(7)的盐的具体例,可列举锂盐、钠盐、钾盐等碱金属盐。
实施例
以下使用实施例对本发明进行更具体地说明,但本发明并不仅限于这些例子。
首先,以参考例示出化合物(1-N)的制造方法。
参考例1
在氮气氛下,向3,6-二氯吡啶-2-羧酸25.0g、甲苯125g及N,N-二甲基甲酰胺0.48g的混合物中在80℃用30分钟滴加亚硫酰氯17.13g。在同温下搅拌1.5小时后,冷却到60℃,在减压下浓缩到26.45g为止。将浓缩液在0℃以下用1小时滴加到28wt%的氨水75g中,在室温下搅拌12小时。过滤析出物,用水60mL清洗所得的固体后,在减压下进行干燥,由此得到3,6-二氯吡啶-2-羧酰胺14.89g。
1H-NMR(DMSO-d6)δ;7.65-7.67(1H,d)、7.88(1H,br)、8.08-8.12(2H,m)
实施例1
在氮气氛下,向3,6-二氯吡啶-2-羧酰胺5.0g和四氢呋喃15g的混合物中在0℃滴加28wt%的甲醇钠5.33g与乙硫醇1.72g的混合物,在同温下搅拌5小时,接着在20℃搅拌4小时。向反应混合物中加入甲苯30mL,用水30mL及水20mL依次清洗有机层,在减压下进行浓缩,得到以93.2/6.8的比率含有6-氯-3-(乙硫基)吡啶-2-羧酰胺和3-氯-6-(乙硫基)吡啶-2-羧酰胺的固体5.37g。
6-氯-3-(乙硫基)吡啶-2-羧酰胺
1H-NMR(DMSO-d6)δ;1.22-1.26(3H,t)、2.90-2.95(2H,q)、7.58-7.62(1H,d)、7.69(1H,br)、7.88-7.92(1H,d)、7.96(1H,br)
实施例2
向6-氯-3-(乙硫基)吡啶-2-酰胺2.00g、钨酸钠二水合物151.4mg、96wt%硫酸453.0mg及水10.00g的混合物中在80℃用1小时滴加35.3wt%的过氧化氢2.30g。在80℃将反应混合物搅拌1小时,接着在室温下搅拌1小时。通过过滤析出的固体,以水2mL清洗所得的固体,并进行干燥,由此得到6-氯-3-(乙基磺酰基)吡啶-2-羧酰胺1.93g。
1H-NMR(DMSO-d6)δ;8.34(1H,d),8.26(1H,s),7.98(1H,s),7.89(1H,d),3.63(2H,q),1.16(3H,t).
实施例3
在氮气氛下,向乙酸钠0.33g、甲醇3.2g及6-氯-3-(乙基磺酰基)吡啶-2-羧酰胺1.0g的混合物加入Pd/C(Pd担载率为5wt%、含水率为61wt%)50mg,在氢气氛下,在40℃で搅拌3小时。氮置换后,过滤Pd/C,以乙腈10g和水10g的混合液清洗Pd/C。利用液相色谱分析合并滤液和清洗液的而得的溶液,由此确认到含有0.87g的3-(乙基磺酰基)吡啶-2-羧酰胺。
1H-NMR(DMSO-d6)δ;1.12-1.16(3H,t)、3.63-3.69(2H,q)、7.75-7.78(1H,m)、7.84(1H,br)、8.16(1H,br)、8.32-8.35(1H,m)、8.85-8.87(1H,m)
实施例4
在氮气氛下,向2-丙醇2.36g、水1.00g及氢氧化钾0.34g的混合物中在室温下加入3-(乙基磺酰基)吡啶-2-羧酰胺1.00g,升温至80℃,搅拌10小时。将反应混合物在40℃减压下进行浓缩,加入2-丙醇1.00g,再在减压下进行浓缩。向浓缩物中加入甲醇1.00g,升温至70℃进行溶解,加入甲苯2.56g并冷却至0℃。在0℃进一步加入甲苯2.50g,过滤析出物,以甲苯1.58g清洗所得的固体。通过将所得的固体在减压下干燥,由此得到3-(乙基磺酰基)-2-羧酸钾0.90g(纯度87.1%)。
1H-NMR(DMSO-d6)δ;1.03-1.07(3H,t)、3.70-3.75(2H,q)、7.38-7.41(1H,m)、8.06-8.09(1H,m)、8.61-8.64(1H,m)
实施例5
在氮气氛下,向2-丙醇6.59g、水2.79g及85.5wt%的氢氧化钾0.94g的混合物在室温下加入93.1wt%的3-(乙基磺酰基)吡啶-2-羧酰胺3.00g,升温至80℃,搅拌11小时,再追加85.5wt%的氢氧化钾0.09g,在同温下搅拌7小时。将反应混合物冷却至0℃,滴加35wt%的盐酸1.75g,过滤析出的固体。以2-丙醇2.79g清洗所得的固体,进行干燥,得到3-(乙基磺酰基)吡啶-2-羧酸1.96g。
1H-NMR(DMSO-d6)δ;1.15-1.19(3H,t)、3.49-3.55(2H,q)、7.79-7.83(1H,m)、8.35-8.38(1H,m)、8.90-8.92(1H,m)
比较例1
向3,6-二氯吡啶-2-羧酸N-甲基酰胺100mg及甲苯500μL的混合物中在室温下滴加28wt%甲醇钠9.78g和乙硫醇3.00g的混合物170μL。将反应混合物在室温下搅拌7小时,以液相色谱面积百分率62.6%得到6-氯-3-(乙硫基)吡啶-2-羧酸N-甲基酰胺、以液相色谱面积百分率7.3%得到3-氯-6-(乙硫基)吡啶-2-羧酸N-甲基酰胺。
1H-NMR(CDCl3)δ;7.80(1H,s),7.61(1H,d),7.34(1H,d),3.00(3H,d),2.89(2H,q),1.40(3H,t)
这样一来,在N-甲基酰胺化合物中,不能收率良好地进行3,6-二氯吡啶-2-羧酸的3-位的氯原子的取代反应。
比较例2
在氮气氛下,向3,6-二氯吡啶-2-羧酸100mg、氢化钠45.7mg(含量60%)及四氢呋喃1mL的混合物中在室温下加入乙硫醇35.5mg,在40℃搅拌2小时。利用液相色谱分析反应混合物,结果没有生成6-氯-3-(乙硫基)吡啶-2-羧酸,以面积百分率计生成了10%的3-氯-6-(乙硫基)吡啶-2-羧酸。
这样,不能收率良好地进行不是酰胺化合物的3,6-二氯吡啶-2-羧酸的3-位的氯原子的取代反应,仅仅进行了6-位的氯原子的取代反应。
产业上的可利用性
根据本发明方法,能够制造作为医药农药的制造中间体有用的3-(烷基磺酰基)吡啶-2-羧酸等化合物。
Claims (6)
1.一种下述式(7)所示的化合物或其盐的制造方法,其包括如下的工序:使式(1-N)所示的化合物和式(2)所示的化合物反应,得到式(3-N)所示的化合物的工序,
式(1-N)中,X表示卤素原子,
R2SM2 (2)
式(2)中,R2表示C1~C8的直链烷基,M2表示氢原子或碱金属,
式(3-N)中,R2及X表示与上述相同含义;
使式(3-N)所示的化合物与过氧化氢在钨催化剂及酸的存在下反应,得到式(6-N)所示的化合物的工序,
式(6-N)中,R2及X表示与上述相同含义;
将式(6-N)所示的化合物在碱及非均相系过渡金属催化剂的存在下进行还原,得到式(8-N)所示的化合物的工序,
式(8-N)中,R2表示与上述相同含义;
及
将式(8-N)所示的化合物在碱的存在下进行水解,由此得到式(7)所示的化合物或其盐的工序,
式(7)中,R2表示与上述相同含义。
2.一种下述式(8-N)所示的化合物的制造方法,其包括如下的工序,
使式(1-N)所示的化合物和式(2)所示的化合物反应,得到式(3-N)所示的化合物的工序,
式(1-N)中,X表示卤素原子,
R2SM2 (2)
式(2)中,R2表示C1~C8的直链烷基,M2表示氢原子或碱金属,
式(3-N)中,R2及X表示与上述相同含义;
使式(3-N)所示的化合物与过氧化氢在钨催化剂及酸的存在下反应,得到式(6-N)所示的化合物的工序,
式(6-N)中,R2及X表示与上述相同含义,
及
将式(6-N)所示的化合物在碱及非均相系过渡金属催化剂的存在下反应,得到式(8-N)所示的化合物的工序;
式(8-N)中,R2表示与上述相同含义。
3.一种下述式(6-N)所示的化合物的制造方法,其包括如下的工序,
使式(1-N)所示的化合物和式(2)所示的化合物反应,得到式(3-N)所示的化合物的工序,
式(1-N)中,X表示卤素原子,
R2SM2 (2)
式(2)中,R2表示C1~C8的直链烷基,M2表示氢原子或碱金属,
式(3-N)中,R2及X表示与上述相同含义;
及
使式(3-N)所示的化合物与过氧化氢在钨催化剂及酸的存在下反应,得到式(6-N)所示的化合物的工序,
式(6-N)中,R2及X表示与上述相同含义。
4.一种下述式(3-N)所示的化合物的制造方法,其包括如下的工序,
使式(1-N)所示的化合物和式(2)所示的化合物反应,得到式(3-N)所示的化合物的工序,
式(1-N)中,X表示卤素原子,
R2SM2 (2)
式(2)中,R2表示C1~C8的直链烷基,M2表示氢原子或碱金属,
式(3-N)中,R2及X表示与上述相同含义。
5.一种下述式(3-N)所示的化合物,
式(3-N)中,R2表示C1~C8的直链烷基、X表示卤素原子。
6.一种下述式(6-N)所示的化合物,
式(6-N)中,R2表示C1~C8的直链烷基、X表示卤素原子。
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| CN1039808A (zh) * | 1988-07-25 | 1990-02-21 | 希巴-盖吉股份公司 | 新型除草剂 |
| CN103717598A (zh) * | 2011-08-04 | 2014-04-09 | 住友化学株式会社 | 稠杂环化合物及其用于害虫防治的用途 |
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| US4558134A (en) * | 1983-01-03 | 1985-12-10 | The Dow Chemical Company | Certain phenoxy-pyridine-carbonitriles having antiviral activity |
| CH657124A5 (en) * | 1983-08-10 | 1986-08-15 | Lonza Ag | 3-Chloroisocinchomeronoyl chloride and a process for its preparation |
| CN101233109A (zh) * | 2005-08-02 | 2008-07-30 | 默克公司 | 用作雄激素受体调节剂的n-(吡啶-4-基)-2-苯基丁酰胺 |
| WO2007106705A1 (en) * | 2006-03-10 | 2007-09-20 | Boehringer Ingelheim International Gmbh | Soluble epoxide hydrolase inhibitors and methods of using same |
| KR102062422B1 (ko) | 2012-12-27 | 2020-01-03 | 수미토모 케미칼 컴퍼니 리미티드 | 융합된 옥사졸 화합물 및 그의 해충 방제를 위한 용도 |
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| CN1039808A (zh) * | 1988-07-25 | 1990-02-21 | 希巴-盖吉股份公司 | 新型除草剂 |
| CN103717598A (zh) * | 2011-08-04 | 2014-04-09 | 住友化学株式会社 | 稠杂环化合物及其用于害虫防治的用途 |
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| CN115210220A (zh) * | 2020-03-04 | 2022-10-18 | 先正达农作物保护股份公司 | 用于制备5-氯-3-烷基硫烷基-吡啶-2-甲酸酰胺和甲酸酯的方法 |
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| IL249296B (en) | 2019-11-28 |
| JPWO2015199007A1 (ja) | 2017-04-20 |
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| DE112015003036T5 (de) | 2017-03-16 |
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| US20170166529A1 (en) | 2017-06-15 |
| KR20170023963A (ko) | 2017-03-06 |
| EP3162795A4 (en) | 2018-02-28 |
| RU2017101814A3 (zh) | 2019-01-15 |
| CN106660958A (zh) | 2017-05-10 |
| KR102332262B1 (ko) | 2021-11-26 |
| IL249296A0 (en) | 2017-02-28 |
| BR112016029074A2 (pt) | 2017-08-22 |
| WO2015199007A1 (ja) | 2015-12-30 |
| CN106660958B (zh) | 2019-04-12 |
| EP3162795A1 (en) | 2017-05-03 |
| AU2015281846B2 (en) | 2019-08-01 |
| JPWO2015199006A1 (ja) | 2017-04-20 |
| AU2015281846A1 (en) | 2017-02-02 |
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