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Paper | Special issue | Vol 77, No. 1, 2009, pp.279-291
Published online, 21st August, 2008
DOI: 10.3987/COM-08-S(F)9
Benzothiazines in Organic Synthesis. An Approach to the Synthesis of seco-Pseudopteroxazole

Michael Harmata* and Pinguan Zheng

*Room 125, Department of Chemistry, University of Missouri-Columbia, 601 South College Avenue, Columbia, Missouri 65211, U.S.A.

Abstract

As part of our approach to the synthesis of seco-pseudopteroxazole, we have succeeded in establishing the stereochemistry of the methyl-bearing stereocenter (C-11) with good diastereoselectivity. Though seemingly straightforward, the process was not simple and revealed some interesting aspects of benzothiazine chemistry.