NEW HEXANOIC ACID AND BUTANOIC ACID INTERMEDIATES FOR PRODUCING (S)-(+)-4-AMINO-3-(2-METHYL-PROPIL)-BUTANOIC ACID DERIVATIVE

摘要

This invention relates to the following intermediates for the preparation of S - (+) - 4-amino-3- (2-methylpropyl) -butane butane and the following intermediates: (S) - (+) - 2- (2-) methylpropylbutanedioic acid 4- (phenylmethyl) and -4- (1,1-dimethylethyl) ester, (S) - (+) - 3- (hydroxymethyl) -5-methyl Hexanoic acid (phenylmethyl) and (1,1-dimethylethyl) ester, (S) - (+) - 5-methyl-3 - [{[(4-methylphenyl) sulfonyl] oxy} methyl] hexanoic acid (phenylmethyl) and (1,1-dimethylethyl) ester, (S) - (+) - 3- (azidomethyl) -5-methylhexanoic acid - (phenylmethyl) and - (1,1-dimethylethyl) ester, (S) - (+) - 3- (azidomethyl) -5-methylhexanoic acid. ŕ