Reaction of N‐R‐2‐Cyanothioacetamides with Ethyl[(aryl)hydrazono]chloroacetates.

Abstract

Ring closure reactions O 0130Reaction of N-R-2-Cyanothioacetamides with Ethyl[(aryl)hydrazono]chloroacetates. -The reactions furnish thiadiazole (III), thiazoles (IV) or (V), thiophene (VI) or sulfide derivatives (VII) depending on the nature of the substituents in the educts and the basicity of the medium. -(BRITSUN, V. N.; BODNAR, V. N.; LOZINSKII, M. O.; Chem. Heterocycl. Compd. (N. Y.) 43 (2007) 1, 93-97; Inst. Org. Chem., Acad. Sci. Ukr., Kiev 02660, Ukraine; Eng.) -H. Toeppel 46-030