Chemoenzymatic Approach to Enantiomerically Pure (<i>R</i>)-3-Hydroxy-3-methyl-4-pentenoic Acid Ester and Its Application to a Formal Total Synthesis of Taurospongin A
作者:Aya Fujino、Takeshi Sugai
DOI:10.1002/adsc.200800191
日期:2008.8.4
(R)-3-Hydroxy-3-methyl-5-hexanoic acid p-methoxybenzyl ester 1b was prepared by carbon-chain elongation on both termini of the starting material, (R)-3-benzyloxy-2-methylpropane-1,2-diol 2a, which was prepared by an over-expressed Bacillus subtilis epoxide hydrolase-catalyzed enantioselective hydrolysis of the racemic 1-benzyloxymethyl-1-methyloxirane 3. One of the key steps of the requisite transformation
This document describes biochemical pathways for producing isoprene by forming two vinyl groups in a central precursor produced from isobutyryl-CoA, 3-methyl-2-oxopentanoate, or 4-methyl-2-oxopentanoate as well as recombinant hosts for producing isoprene.