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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Chemoenzymatic synthesis of optically active, biodegradable polymers based on phenyl- and naphthyl-ethanols esterified with divinyladipate.

For the purpose of developing a new synthetic polymer containing an asymmetric molecule branch, three racemic alcohols, i.e. 1-phenylethanol, 1-(4-methylphenyl)ethanol and 1-(2-naphthyl)ethanol, were esterified enzymatically with divinyladipate using a lipase from Pseudomonas cepacia. The enzymatic acylation of alcohols produced monoacylated products. Optically active polymerizable monomers, (R)-vinyl adipic acid (phenyl-1-yl) ethyl ester, (R)-vinyl adipic acid (4-methylphenyl-1-yl) ethyl ester and (R)-vinyl adipic acid (2-naphthyl-1-yl) ethyl ester with enantiometric excesses over 99%, 96% and 99%, respectively, were obtained. Each optically active monomer was then subjected to free radical polymerization, to give polymers having a number average molecular weight of 2.9 x 10(3) - 2.2 x 10(4). These polymers are considered useful as optically active polymers having biodegradability.[1]

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