I. B. Dzvinchuk, A. V. Vypirailenko, M. Lozinskii
Mar 1, 2005
Citations
0
Influential Citations
3
Citations
Journal
Russian Chemical Bulletin
Abstract
Hydrazinolytic recyclization of 2-phenacylbenzothiazole proceeds via cleavage of the C—S bond in the ring and is accompanied by oxidation of resulting 2-[(5-phenylpyrazole-3-yl)amino]thiophenol into the corresponding disulfide. The subsequent intramolecular cyclocondensation gives selectively pyrazolo[4,3-b][1,4]benzothiazines.