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Enantiomeric scaffolding of α-tetralone and related scaffolds by EKR (Enzymatic Kinetic Resolution) and stereoselective ketoreduction with ketoreductases†
Rajib Bhuniya,Samik Nanda
Organic & Biomolecular Chemistry Pub Date : 10/04/2011 00:00:00 , DOI:10.1039/C1OB06545A
Abstract

Stereochemically pure compounds containing an all carbon quaternary stereocenter based on 1-tetralone, 1-indanone and 4-chromanone scaffolds have been synthesized by employing Lipase PS (Burkholderia cepacia) catalyzed kinetic resolution. These scaffolds are further functionalized by microbial ketoreductase enzymes (Geotrichum candidum, Candida parapsilosis and Aspergillus niger) to access stereochemically pure diols which, on further synthetic manipulation, yield novel cyclic compounds.

Graphical abstract: Enantiomeric scaffolding of α-tetralone and related scaffolds by EKR (Enzymatic Kinetic Resolution) and stereoselective ketoreduction with ketoreductases
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