1085995-58-9Relevant academic research and scientific papers
Guanidine-annelated heterocycles XVI. A practical synthesis of 7-chloro-4-phenylamino[1,2,4]triazolo-quinazolin-5(4H)-ones
Hsu, Wen-Chuan,Shan, Pei-Wen,Huang, Yi-Chen,Liu, Kang-Chien,Chang, Tsu-Chung
, p. 2421 - 2428 (2011/04/17)
The triazolo[2,3-a]quinazolin-5(4H)-ones 9a-c can be prepared via Dimroth rearrangement by treatment of 5 with representative carboxylic acid orthoesters 6a-c each heating at 40 °C more elevated temperature than the preparation of their analogous triazolo[4,3-a] isomers 7a-c. The Japan Institute of Heterocyclic Chemistry.
