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Ab initio Study on Enantioselective Reduction of Ketones Catalyzed by Thiazolidino [3, 4-c ] oxazaborolidines

✍ Scribed by Ming Li; Ru-Gang Xie; An-Min Han


Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
424 KB
Volume
20
Category
Article
ISSN
0256-7660

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The chiral cyclic sulfur-containing oxazaborolidine catalyst reacts with aromatic ketone in the presence of borane to form the catalyst-alkoxyborane adduct with a B-O-B-N four-membered ring. The ab initio molecular orbital method is employed to study the structures of the catalyst-alkoxyborane adduc

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In the present paper, the ab initio molecular orbital method is employed to study the structures of the adducts of borane and aromatic ketone to chiral cyclic sulfur-containing oxazaborolidine used as a catalyst in the enantioselective reduction of aromatic ketone. The catalyst-borane-ketone adducts

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The ab initio molecular orbital method is employed to study the structures and properties of chiral cyclic sulfur-containing oxazaborolidine, as a catalyst, and its borane adducts. All the structures are optimized completely by means of the Hartree-Fock method at 6-31g \* basis sets. The catalyst is