Synthesis of hydrazones derived from 2-substituted-10-carboxyphenothiazine hydrazides
作者:P. Tsitsa、A. Psarrea-Sandris、C. Sandris
DOI:10.1002/jhet.5570240632
日期:1987.11
2-Substituted-10-carboxyphenothiazine hydrazides 3 were found to yield hydrazones 5 on reaction with aromatic aldehydes. However, a similar reaction of hydrazides 3 with aliphatic ketones in refluxing ethanol failed to give the expected hydrazones 6. The corresponding phenothiazines 1 were isolated in this reaction, apparently through alcoholysis of the amide bond to the ring nitrogen atom in 3.
发现2-取代的-10-羧基吩噻嗪酰肼3在与芳族醛反应时产生5。然而,酰肼3与脂肪族酮在回流的乙醇中的类似反应未能得到预期的hydr 6。在该反应中分离出相应的吩噻嗪1,显然是通过醇解3酰胺键与环氮原子的反应。