Preparation of 2-Aroyl-3-methyl-1H-1,4-benzothiazines. ESR Study of 2-Benzoyl-1,3-dimethyl-1H-1,4-benzothiazine
2-Aroyl-3-methyl-1H-1,4-benzothiazine ylids (2a-k) were prepared by alkylation of the corresponding 4H-benzothiazines 1.The ylids 2 are labile at room temperature; proper analytical and 1H-n.m.r. data were obtained for their picrates.E.s.r. studies of u.
Iskander, George M.,Khawad, Ibrahim El Shiekh El,Zahran, Hassan B.,Schlemper, Elmer O.
p. 82 - 88
(2007/10/02)
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