Abstract The title aminopyrroles and thiophene have been prepared by condensation of methyl (cyanomethyl-sulfonyl) acetate with various α-amino ketones or 2- mercaptoacetaldehyde, respectively. Subsequent cyclization of these compounds by reaction between the amine and activated methylene has led to various ester-substituted thiazine-and thiadiazine-based bicyclic derivatives. In addition, cyclization of the title ...
[Hancock, James Reid; Hardstaff, William Rayne; Johns, Paul Alan; Langler, Richard Francis; Mantle, William Stanley Canadian Journal of Chemistry, 1983 , vol. 61, p. 1472 - 1480]