abstract |
The present invention relates to a process for preparing 5-methyl-3-nitromethyl-hexanoic acid ester and salts thereof. Also disclosed are methods of preparing 5-methyl-3-nitromethyl-hexanoic acid salts and methods of producing 3- (aminomethyl) -5-methylhexanoic acid. (S) -5-methyl-3-nitromethyl-hexanoic acid or (R) -5-methyl-3-nitromethyl-hexanoic acid and its salts, enantiomeric rich forms, or in enantiomeric or pure enantiomeric form Enantiomers (S) -5-methyl-3-nitromethyl-hexanoic acid ester or (R) -5-methyl-3-nitromethyl-hexanoic acid ester in pure form, and racemic form, enantiomer rich form or enantiomer Also disclosed are compounds in pure isomeric form (ie, compounds of formula XIII). <Formula XIII> |