COA of Formula: C8H7N3O. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 2-Aminoquinazolin-4(3H)-one, is researched, Molecular C8H7N3O, CAS is 20198-19-0, about Exploration of a New Type of Antimalarial Compounds Based on Febrifugine. Author is Kikuchi, Haruhisa; Yamamoto, Keisuke; Horoiwa, Seiko; Hirai, Shingo; Kasahara, Ryota; Hariguchi, Norimitsu; Matsumoto, Makoto; Oshima, Yoshiteru.
Febrifugine (I), a quinazoline alkaloid, isolated from Dichroa febrifuga roots, shows powerful antimalarial activity against Plasmodium falciparum. The use of I as an antimalarial drug has been precluded because of side effects, such as diarrhea, vomiting, and liver toxicity. However, the potent antimalarial activity of I has stimulated medicinal chemists to pursue compounds derived from I, which may be valuable leads for novel drugs. In this study, we synthesized a new series of febrifugine derivatives formed by structural modifications at (i) the quinazoline ring, (ii) the linker, or (iii) the piperidine ring. Then, we evaluated their antimalarial activities. Thienopyrimidine analog II exhibited a potent antimalarial activity and a high therapeutic selectivity both in vitro and in vivo, suggesting that II is a good antimalarial candidate.
There is still a lot of research devoted to this compound(SMILES：O=C1NC(N)=NC2=C1C=CC=C2)COA of Formula: C8H7N3O, and with the development of science, more effects of this compound(20198-19-0) can be discovered.
Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis