457072-47-8Relevant articles and documents
Polycyclic N-heterocyclic compounds. Part 621: Reaction of N-(quinazolin-4-yl)amidine derivatives with hydroxylamine hydrochloride and anti-platelet aggregation activity of the products
Okuda, Kensuke,Zhang, Ying-Xue,Ohtomo, Hiromi,Hirota, Takashi,Sasaki, Kenji
experimental part, p. 369 - 374 (2011/02/23)
The reactions of N-(5,6,7,8-tetrahydroquinazolin-4-yl)amidines and their amide oximes with hydroxylamine hydrochloride gave abnormal cyclization products via a ring cleavage of pyrimidine component accompanied with a ring closure of 1,2,4-oxadiazole to gi