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参考文献: Process For The Preparation Of R-(-)-3-(Carbamoylmethyl)-5-Methylhexanoic Acid And The Intermediates[fr] Méthode De Préparation D'Acide R-(-)-3-(Carbamoylméthyl)-5-Méthylhexanoïque Et De Ses Intermédiaires
标题: Process For The Preparation Of R-(-)-3-(Carbamoylmethyl)-5-Methylhexanoic Acid And The Intermediates[fr] Méthode De Préparation D'Acide R-(-)-3-(Carbamoylméthyl)-5-Méthylhexanoïque Et De Ses Intermédiaires

专利信息

专利号:US-2007259917-A1
优先权日:2006-04-24
标题 :Processes for the synthesis of 3-isobutylglutaric acid
发明人：KANSAL VINOD K; CHAURASIA BRIJNATH P; PATEL HITESH K; SHELKE SHIVAJI H; MORE YOGESH P
权利人:KANSAL VINOD K; CHAURASIA BRIJNATH P; PATEL HITESH K; SHELKE SHIVAJI H; MORE YOGESH P
摘要:Provided are processes for the synthesis of 3-isobutylglutaric acid, an intermediate in the synthesis of (S)-Pregabalin.

专利号:US-8476441-B2
优先权日:2009-01-29
标 题 :Intermediates in the enantioselective synthesis of 3-(aminomethyl)-5-methyl-hexanoic acid
发明人：CONNON STEPHEN JOSEPH; PESCHIULLI ALDO; MARKEY LYN
权利人:CONNON STEPHEN JOSEPH; PESCHIULLI ALDO; MARKEY LYN; TRINITY COLLEGE DUBLIN
摘要:(S)-(+)-3-(aminomethyl)-5-methyl-hexanoic acid or (S)-pregabalin is an anticonvulsive drug. In addition to its use as an anticonvulsive agent, pregabalin has also been indicated as a medicament in the treatment of anxiety, neuropathic pain and pain in patients with fibromyalgia. Provided herein are thioester intermediates in the synthesis of and processes for the synthesis of 3-(aminomethyl)-5-methyl-hexanoic acid in the (R) or (S) configuration.

专利号:US-2010087525-A1
优先权日:2008-06-23
标 题:Stereoselective enzymatic synthesis of (s) or (r)-iso-butyl-glutaric ester
发明人：HEDVATI LILACH; STERIMBAUM GRETA; RAIZI YURIY; AMINOV RAHAMIN
权利人:HEDVATI LILACH; STERIMBAUM GRETA; RAIZI YURIY; AMINOV RAHAMIN
摘要:The present invention relates to a stereoselective enzymatic synthesis of (S) or (R)-iso-butyl-glutaric ester, an intermediate of S-Pregabalin.

专利号:US-8212071-B2
优先权日:2005-09-19
标题:Asymmetric synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid
发明人：KANSAL VINOD KUMAR; CHAURASIA BRIJNATH P; RAO V GOVARDHAN; TIWARI ANAND PRAKASH
权利人:KANSAL VINOD KUMAR; CHAURASIA BRIJNATH P; RAO V GOVARDHAN; TIWARI ANAND PRAKASH; TEVA PHARMA
摘要:The invention encompasses processes for the synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid, (S)-Pregabalin, and intermediates of (S)-Pregabalin.

专利号:US-7462738-B2
优先权日:2006-05-24
标题:Processes for the preparation of R-(+)-3-(carbamoyl methyl)-5-methylhexanoic acid and salts thereof
发明人：HEDVATI LILACH; GILBOA EYAL; AVHAR-MAYDAN SHARON
权利人:TEVA PHARMA
摘要:Provided are processes for the synthesis of R-(+)-3-(carbamoylmethyl)-5-methylhexanoic acid and salts thereof, intermediates in the synthesis of S-pregabalin.

专利号:US-8063244-B2
优先权日:2009-05-07
标 题 :Process for the synthesis of pregabalin
发明人：RAZZETTI GABRIELE; ALLEGRINI PIETRO; PASTORELLO DARIO
权利人:RAZZETTI GABRIELE; ALLEGRINI PIETRO; PASTORELLO DARIO; DIPHARMA FRANCIS SRL
摘要:A process for the preparation of a compound of formula (I) is disclosed, which comprises: a) the reaction of a compound of formula (II) with zinc azide of formula (III) Zn(N3)2  (III) in the presence of a solvent of formula R1—OH, wherein R1 is herein defined, to obtain a compound of formula (IV), b) its conversion into a compound of formula (V); c) its enantiomeric enrichment to obtain the (S) enantiomer of formula (VI); and d) the hydrolysis thereof.