On October 7, 1982, Sazonov, N. V.; Grineva, N. A.; Safonova, T. S. published a patent.Safety of 4-Chloro-6-(piperidin-1-yl)pyrimidin-5-amine The title of the patent was Pyrimido[4,5-b][1,4]benzoxazepine derivatives. And the patent contained the following:
I (R = Cl, OH, NH2, benzyl- or phenyl-substituted amino, N-methylpiperazino, R1 = H; R = butyl- or benzyl-substituted amino, morpholino, piperidino, R1 = Br; R = morpholino, R1 = NO2) were prepared by treating aminochloropyrimidines II with hydroxybenzaldehydes III (or alk. salts) in DMF or toluene at 100-20°. The experimental process involved the reaction of 4-Chloro-6-(piperidin-1-yl)pyrimidin-5-amine(cas: 84762-70-9).Safety of 4-Chloro-6-(piperidin-1-yl)pyrimidin-5-amine
The Article related to pyrimidobenzoxazepine amino, benzoxazepine pyrimido, oxazepine pyrimidobenz, Heterocyclic Compounds (More Than One Hetero Atom): Other 7-Membered Rings and other aspects.Safety of 4-Chloro-6-(piperidin-1-yl)pyrimidin-5-amine
Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem