On the Subject of Formylation of N-Aryl-3,5-dimethyl-1,1-dioxo-1,2-thiazines
By the reaction of the N-aryl-3,5-dimethyl-1,1-dioxo-1,2-thiazines 1a-d with an excess of the Vilsmeier reagent DMF/POCl3 a twofold electrophilic substitution of the methyl groups and additionally a mono substitution of the thiazine ring in 6-position tak
Hasan, H.,Radeglia, R.,Fanghaenel, E.
p. 666 - 670
(2007/10/02)
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