Lipase-Mediated Enzymatic Catalysis For The Synthesis of New Chiral Polymers
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Immobilized lipase B from Candida antarctica (N435) was investigated as a potential biocatalyst to generate silicone-based chiral polymers from monomers derived from the enzymatic dihydroxylation of bromobenzene. Several conditions and parameters have been investigated for this purpose and lipase transesterification preference to each of the free secondary alcohols in the chiral monomers was documented. The N435 was challenged with a series of substrates where the free alcohol moieties were systematically protected in order to study the substrate preference(s) for the transesterification reactions.