Unequivocal synthesis of 2, 3, 6??triazaphenothiazine and two new tetraazaphenothiazine heterocycles

CO Okafor, RN Castle, DS Wise

Index: Okafor; Castle; Wise Jr. Journal of Heterocyclic Chemistry, 1983 , vol. 20, # 4 p. 1047 - 1051

Full Text: HTML

Citation Number: 6

Abstract

Abstract This paper describes the unequivocal synthesis of three new heterocycles: 2, 3, 6- triazaphenothiazine (7) and 2, 3, 6, 9-tetraazaphenothiazine (18), both parents of the respective ring systems and the 6, 8-dihydro-7, 9-di-oxo derivative of 2, 3, 6, 8-