Synthesis of 3-Substituted and 2,3-Disubstituted Quinazolinones via Cu-Catalyzed Aryl Amidation
作者:Lanting Xu、Yongwen Jiang、Dawei Ma
DOI:10.1021/ol300084v
日期:2012.2.17
Cul/4-hydroxy-L-proline catalyzed coupling of N-substituted o-bromobenzamides with formamide takes place at 80 degrees C, affording 3-substituted quinazolinones directly. Under these conditions other amides that were tested only provided simple coupling products, which can be converted into 2,3-disubstituted quinazolinones via HMDS/ZnCl2 mediated condensative cyclization.
Grammaticakis, Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1957, vol. 245, p. 2307,2308
作者:Grammaticakis
DOI:——
日期:——
LEIBY, R. W., J. ORG. CHEM., 1985, 50, N 16, 2926-2929
作者:LEIBY, R. W.
DOI:——
日期:——
Synthesis of 3-amino-4(3H)-quinazolinones from N-(2-carbomethoxyphenyl)imidate esters