The intramolecular,stereoselective addition of sulfoximine carbanions to alpha,beta-unsaturated esters |
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| Authors: | Harmata Michael Hong Xuechuan |
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| Affiliation: | Department of Chemistry, University of Missouri-Columbia, Columbia, Missouri 65211, USA. harmatam@missouri.edu |
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| Abstract: | ![]()
ortho-Bromocinnamates can be coupled with methyl phenylsulfoximine to afford N-arylsulfoximines in excellent yield. Treatment of these products with an amide base results in a completely stereoselective cyclization to afford enantiomerically pure benzothiazines. This reaction is stereospecific. |
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