78016-85-0Relevant academic research and scientific papers
Syntheses of Some New 1,5-Benzothiazepin-4(5H)-ones
Gupta, A. K.,Pant, U. C.
, p. 157 - 158 (2007/10/02)
Six new 8-substituted 2-methyl-1,5-benzothiazepin-4(5H)-ones (IVa-f) have been prepared by the reaction of 5-substituted 2-aminobenzenethiols (I) with ethyl acetoacetate in dry xylene.An improved method for preparing ethyl 3-methyl-4H-1,4-benzothiazine-2-carboxylate (III) is also described.
