A facile synthesis of 1,4-benzothiazines under solvent free conditions
作者： Shivaji B. Munde , Sandeep P. Bondge , Venkatesh E. Bhingolikar , Ramrao A. Mane
DOI: 10.1039/B212042A
关键词:
摘要: A rapid, solvent free synthetic strategy for the oxidative cyclocondensation of 2-aminobenzenethiols and 1,3-dicarbonyls using a catalytic amount hydrazine hydrate has been developed in order to obtain 2,3-disubstituted-1,4-benzothiazines high yields (83–96%).
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