Prasad AK, Pati HN, Azim A, Trikha S. Lipase-catalysed regio- and enantioselective deacetylation of 2,4-diacetoxyphenyl alkyl ketones.
Bioorg Med Chem 1999;
7:1973-7. [PMID:
10530946 DOI:
10.1016/s0968-0896(99)00109-1]
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Abstract
Porcine pancreatic lipase in tetrahydrofuran catalyses the deacetylation of 2,4-diacetoxyphenyl alkyl ketones in a highly regioselective fashion. The strategy of regioselective deacetylation of diacetoxyphenyl alkyl ketones has also resulted in the enantiomeric resolution of a racemic diacetoxyphenyl alkyl ketone, i.e. (+/-)-2,4-diacetoxyphenyl (1-ethyl)pentyl ketone, a precursor for the synthesis of an antifungal coumarin, 7-acetoxy-4-(1-ethyl)pentyl-3-phenyl-2H-1-benzopyran-2-one.
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