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公开(公告)号:US5599973A
公开(公告)日:1997-02-04
申请号:US420580
申请日:1995-04-12
申请人: Richard B. Silverman , Ryszard Andruszkiewicz , Po-Wai Yuen , Denis M. Sobieray , Lloyd C. Franklin , Mark A. Schwindt
发明人: Richard B. Silverman , Ryszard Andruszkiewicz , Po-Wai Yuen , Denis M. Sobieray , Lloyd C. Franklin , Mark A. Schwindt
IPC分类号: A61K31/197 , C07C69/34 , C07C69/675 , C07C229/08 , C07C229/24 , C07C229/28 , C07C229/34 , C07C247/12 , C07C309/73 , C07D263/22 , C07D263/26 , G11B20/14 , G11B27/30 , C07C229/00
CPC分类号: A61K31/197 , C07C229/08 , C07C229/24 , C07C229/28 , C07C229/34 , C07C247/12 , C07C309/73 , C07C69/34 , C07C69/675 , C07D263/22 , C07D263/26 , G11B20/1426 , G11B27/3027 , C07C2101/14
摘要: A compound of the formula ##STR1## wherein R.sub.1 is a straight or branched alkyl group having from 1 to 6 carbon atoms, phenyl, or cycloalkyl having from 3 to 6 carbon atoms; R.sub.2 is hydrogen or methyl; and R.sub.3 is hydrogen, methyl or carboxyl; which is useful in the treatment of seizure disorders. Processes are disclosed for the preparation of the compound. Intermediates prepared during the synthesis of the compound are also disclosed.
摘要翻译: 式Ⅰ化合物,其中R1是具有1至6个碳原子的直链或支链烷基,苯基或具有3至6个碳原子的环烷基; R2是氢或甲基; 并且R 3是氢,甲基或羧基; 其用于治疗癫痫发作。 公开了用于制备化合物的方法。 还公开了在合成化合物期间制备的中间体。
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公开(公告)号:US5563175A
公开(公告)日:1996-10-08
申请号:US420575
申请日:1995-04-12
申请人: Richard B. Silverman , Ryszard Andruszkiewicz , Po-Wai Yuen , Denis M. Sobieray , Lloyd C. Franklin , Mark A. Schwindt
发明人: Richard B. Silverman , Ryszard Andruszkiewicz , Po-Wai Yuen , Denis M. Sobieray , Lloyd C. Franklin , Mark A. Schwindt
IPC分类号: A61K31/197 , C07C69/34 , C07C69/675 , C07C229/08 , C07C229/24 , C07C229/28 , C07C229/34 , C07C247/12 , C07C309/73 , C07D263/22 , C07D263/26 , G11B20/14 , G11B27/30 , A61K31/195
CPC分类号: A61K31/197 , C07C229/08 , C07C229/24 , C07C229/28 , C07C229/34 , C07C247/12 , C07C309/73 , C07C69/34 , C07C69/675 , C07D263/22 , C07D263/26 , G11B20/1426 , G11B27/3027 , C07C2101/14
摘要: A compound of the formula ##STR1## wherein R.sub.1 is a straight or branched alkyl group having from 1 to 6 carbon atoms, phenyl, or cycloalkyl having from 3 to 6 carbon atoms; R.sub.2 is hydrogen or methyl; and R.sub.3 is hydrogen, methyl or carboxyl; which is useful in the treatment of seizure disorders. Processes are disclosed for the preparation of the compound. Intermediates prepared during the synthesis of the compound are also disclosed.
摘要翻译: 式Ⅰ化合物,其中R1是具有1至6个碳原子的直链或支链烷基,苯基或具有3至6个碳原子的环烷基; R2是氢或甲基; 并且R 3是氢,甲基或羧基; 其用于治疗癫痫发作。 公开了用于制备化合物的方法。 还公开了在合成化合物期间制备的中间体。
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3.
公开(公告)号:US5637767A
公开(公告)日:1997-06-10
申请号:US474874
申请日:1995-06-07
IPC分类号: C07B57/00 , C07C59/50 , C07C227/04 , C07C227/10 , C07C227/26 , C07C227/34 , C07C227/42 , C07C229/08 , C07C253/10 , C07C255/19 , C07C255/22 , C07L205/00
CPC分类号: C07C227/34 , C07C227/10 , C07C229/08 , C07C255/19 , C07C255/22
摘要: A method of making (.+-.)-3-(aminomethyl)-5-methylhexanoic acid that comprises condensing isovaleraldehyde with ##STR1## to form primarily ##STR2## reacting the ##STR3## with a cyanide source to form ##STR4## decarboxylating the ##STR5## to form ##STR6## hydrolyzing the ##STR7## with an alkali or alkaline earth metal hydroxide to form an alkali or alkaline earth metal carboxylate salt; and hydrogenating the alkali or alkaline earth metal carboxylate salt to form (.+-.)-3-(aminomethyl)-5-methylhexanoic acid, wherein R.sub.1 and R.sub.2 are the same or different and are hydrogen, C.sub.1 -C.sub.6 alkyl, aryl, benzyl, or C.sub.3 -C.sub.6 cycloalkyl. The present invention also provides a method of making (.+-.)-3-(aminomethyl)-5-methylhexanoic acid that comprises condensing isovaleraldehyde with ##STR8## to form primarily ##STR9## reacting the ##STR10## with a cyanide source to form ##STR11## decarboxylating the ##STR12## to form an alkali or alkaline earth metal carboxylate salt; and hydrogenating the alkali or alkaline earth metal carboxylate salt to form (.+-.)-3-(aminomethyl)-5-methylhexanoic acid.
摘要翻译: 制备(+/-) - 3-(氨基甲基)-5-甲基己酸的方法,其包括将异戊醛与“IMAGE”缩合以主要形成
以形成 脱羧“IMAGE”以形成 水解 使用碱金属或碱土金属氢氧化物形成碱金属或碱土金属羧酸盐的“IMAGE” 和氢化碱金属或碱土金属羧酸盐形成(+/-) - 3-(氨甲基)-5-甲基己酸,其中R 1和R 2相同或不同,为氢,C 1 -C 6烷基,芳基,苄基 ,或C 3 -C 6环烷基。 本发明还提供了制备(+/-) - 3-(氨基甲基)-5-甲基己酸的方法,其包括将异戊醛与“IMAGE”缩合以主要形成“IMAGE”,使“IMAGE”与氰化物源反应形成 使 脱羧以形成碱金属或碱土金属羧酸盐; 并将碱金属或碱土金属羧酸盐氢化形成(+/-) - 3-(氨基甲基)-5-甲基己酸。 -
4.
公开(公告)号:US5629447A
公开(公告)日:1997-05-13
申请号:US672783
申请日:1996-06-28
IPC分类号: C07C227/18 , C07C211/27 , C07C227/32 , C07C229/08 , C07C233/05 , C07C205/00
CPC分类号: C07C227/32 , C07C211/27 , C07C229/08 , C07C233/05
摘要: The present invention provides a method of making (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid which comprises condensing isovaleraldehyde with an alkyl cyanoacetate to form a 2-cyano-5-methylhex-2-enoic acid alkyl ester; reacting the 2-cyano-5-methylhex-2-enoic acid alkyl ester with a dialkyl malonate to form 3-isobutylglutaric acid; forming the anhydride of 3-isobutylglutaric acid; reacting the anhydride with ammonia to form (.+-.)-3-(carbamoylmethyl)-5-methylhexanoic acid; reacting (.+-.)-3-(carbamoylmethyl)-5-methylhexanoic acid with (R)-(+)-.alpha.-phenylethylamine to obtain the (R)-(+)-.alpha.-phenylethylamine salt of (R)-(-)-3-(carbamoylmethyl)-5-methylhexanoic acid; combining the salt with an acid to obtain (R)-(-)-3-(carbamoylmethyl)-5-methylhexanoic acid; and reacting the (R)-(-)-3-carbamoylmethyl)-5-methylhexanoic acid with a Hofmann reagent to obtain (S)-(+)-3-(amino-methyl)-5-methylhexanoic acid.
摘要翻译: 本发明提供制备(S) - (+) - 3-(氨基甲基)-5-甲基己酸的方法,其包括将异戊醛与氰基乙酸烷基酯缩合以形成2-氰基-5-甲基己-2-烯酸烷基 酯; 使2-氰基-5-甲基己-2-烯酸烷基酯与丙二酸二烷基酯反应形成3-异丁基戊二酸; 形成3-异丁基戊二酸的酸酐; 使酸酐与氨反应形成(+/-) - 3-(氨基甲酰基甲基)-5-甲基己酸; 与(R) - (+) - α-苯乙胺反应(+/-)-3-(氨基甲酰基甲基)-5-甲基己酸,得到(R) - ( - ) - 3-(氨基甲酰基甲基)-5-甲基己酸; 得到(R) - ( - ) - 3-(氨基甲酰基甲基)-5-甲基己酸的盐; 并使(R) - ( - ) - 3-氨基甲酰基甲基)-5-甲基己酸与霍夫曼试剂反应,得到(S) - (+) - 3-(氨基甲基)-5-甲基己酸。
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5.
公开(公告)号:US5616793A
公开(公告)日:1997-04-01
申请号:US458950
申请日:1995-06-02
IPC分类号: C07C227/18 , C07C211/27 , C07C227/32 , C07C229/08 , C07C233/05 , C07C205/00
CPC分类号: C07C227/32 , C07C211/27 , C07C229/08 , C07C233/05
摘要: The present invention provides a method of making (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid which comprises condensing isovaleraldehyde with an alkyl cyanoacetate to form a 2-cyano-5-methylhex-2-enoic acid alkyl ester; reacting the 2-cyano-5-methylhex-2-enoic acid alkyl ester with a dialkyl malonate to form 3-isobutylglutaric acid; forming the anhydride of 3-isobutylglutaric acid; reacting the anhydride with ammonia to form (.+-.)-3-(carbamoylmethyl)-5-methylhexanoic acid; reacting (.+-.)-3-(carbamoylmethyl)-5-methylhexanoic acid with (R)-(+)-.alpha.-phenylethylamine to obtain the (R)-(+)-.alpha.-phenylethylamine salt of (R)-(-)-3-(carbamoylmethyl)-5-methylhexanoic acid; combining the salt with an acid to obtain (R)-(-)-3-(carbamoylmethyl)-5-methylhexanoic acid; and reacting the (R)-(-)-3-carbamoylmethyl)-5-methylhexanoic acid with a Hofmann reagent to obtain (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid.
摘要翻译: 本发明提供制备(S) - (+) - 3-(氨基甲基)-5-甲基己酸的方法,其包括将异戊醛与氰基乙酸烷基酯缩合以形成2-氰基-5-甲基己-2-烯酸烷基 酯; 使2-氰基-5-甲基己-2-烯酸烷基酯与丙二酸二烷基酯反应形成3-异丁基戊二酸; 形成3-异丁基戊二酸的酸酐; 使酸酐与氨反应形成(+/-) - 3-(氨基甲酰基甲基)-5-甲基己酸; 与(R) - (+) - α-苯乙胺反应(+/-)-3-(氨基甲酰基甲基)-5-甲基己酸,得到(R) - ( - ) - 3-(氨基甲酰基甲基)-5-甲基己酸; 得到(R) - ( - ) - 3-(氨基甲酰基甲基)-5-甲基己酸的盐; 并使(R) - ( - ) - 3-氨基甲酰基甲基)-5-甲基己酸与霍夫曼试剂反应,得到(S) - (+) - 3-(氨基甲基)-5-甲基己酸。
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公开(公告)号:US5608090A
公开(公告)日:1997-03-04
申请号:US420577
申请日:1995-04-12
申请人: Richard B. Silverman , Ryszard Andruszkiewicz , Po-Wai Yuen , Denis M. Sobieray , Lloyd C. Franklin , Mark A. Schwindt
发明人: Richard B. Silverman , Ryszard Andruszkiewicz , Po-Wai Yuen , Denis M. Sobieray , Lloyd C. Franklin , Mark A. Schwindt
IPC分类号: A61K31/197 , C07C69/34 , C07C69/675 , C07C229/08 , C07C229/24 , C07C229/28 , C07C229/34 , C07C247/12 , C07C309/73 , C07D263/22 , C07D263/26 , G11B20/14 , G11B27/30 , C07C247/00
CPC分类号: A61K31/197 , C07C229/08 , C07C229/24 , C07C229/28 , C07C229/34 , C07C247/12 , C07C309/73 , C07C69/34 , C07C69/675 , C07D263/22 , C07D263/26 , G11B20/1426 , G11B27/3027 , C07C2101/14
摘要: A compound of the formula ##STR1## wherein R.sub.1 is a straight or branched alkyl group having from 1 to 6 carbon atoms, phenyl, or cycloalkyl having from 3 to 6 carbon atoms; R.sub.2 is hydrogen or methyl; and R.sub.3 is hydrogen, methyl or carboxyl; which is useful in the treatment of seizure disorders. Processes are disclosed for the preparation of the compound. Intermediates prepared during the synthesis of the compound are also disclosed.
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