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1,2-Benzothiazines from Sulfoximines and Allyl Methyl Carbonate by Rhodium-Catalyzed Cross-Coupling and Oxidative Cyclization

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journal contribution
posted on 24.03.2017, 13:35 authored by Jian Wen, Deo Prakash Tiwari, Carsten Bolm
4-Unsubstituted 1,2-benzothiazines are prepared from sulfoximines and allyl methyl carbonate by Rh­(III)-catalyzed domino allylation/oxidative cyclization. A wide range of functional groups on the sulfoximine are tolerated. A plausible mechanism is proposed, and chemical modifications of the products have been explored.

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