PROCESS FOR THE STEREOSELECTIVE ENZYMATIC HYDROLYSIS OF 5-METHYL-3-NITROMETHYL-HEXANOIC ACID ESTER
申请人:Albert Martin
公开号:US20110165636A1
公开(公告)日:2011-07-07
The present invention relates to processes for the preparation of 5-methyl-3-nitromethyl-hexanoic acid ester and its salts. Also disclosed are processes for the preparation of 5-methyl-3-nitromethyl-hexanoic acid salt and a process for the preparation of 3-(aminomethyl)-5-methylhexanoic acid. (S)-5-Methyl-3-nitromethyl-hexanoic acid or (R)-5-methyl-3-nitromethyl-hexanoic acid in enantioenriched form or enantiopure form as well as salts thereof, (S)-5-methyl-3-nitromethyl-hexanoic acid ester or (R)-5-methyl-3-nitromethyl-hexanoic acid ester in enantioenriched form or enantiopure form and a compound, namely Formula (XIII), in racemic form, enantioenriched form or enantiopure form are also disclosed.
本发明涉及制备5-甲基-3-硝基甲基己酸酯及其盐的过程。还公开了制备5-甲基-3-硝基甲基己酸盐的过程和制备3-(氨甲基)-5-甲基己酸的过程。本发明还公开了(S)-5-甲基-3-硝基甲基己酸或(R)-5-甲基-3-硝基甲基己酸的对映富集形式或对映纯形式及其盐,(S)-5-甲基-3-硝基甲基己酸酯或(R)-5-甲基-3-硝基甲基己酸酯的对映富集形式或对映纯形式,以及一种化合物,即公式(XIII),其为外消旋体、对映富集形式或对映纯形式。