Related Products of 20198-19-0. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 2-Aminoquinazolin-4(3H)-one, is researched, Molecular C8H7N3O, CAS is 20198-19-0, about Synthesis of 2-amino-4-quinazolones and spectral study of their tautomeric equilibrium state. Author is Shakhidoyatov, Kh. M.; Yun, L. M.; Samiev, R. A..
The identity of UV spectra of the parent and methylated aminoquinazolones I (R,R1 = H,H; Me,H; H,Me; Me,Me) was evidence for a single amino-keto tautomeric form with double bond C4:O and N1:C2. Comparison of UV spectra in neutral and basic media established that deprotonation occurs at N3 only in the parent (R,R1 = H,H) compound, consistent with the observed methylation at N3; i.e., no deprotonation of the amino group is observed under these conditions.
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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