1201632-52-1Relevant articles and documents
An efficient synthesis of 4-alkyl-2(1H)-quinazolinones and 4-alkyl-2-chloroquinazolines from 1-(2-alkynylphenyl)ureas
Wang, Honggen,Liu, Lanying,Wang, Yong,Peng, Changlan,Zhang, Jiancun,Zhu, Qiang
supporting information; experimental part, p. 6841 - 6843 (2010/04/29)
An efficient synthesis of 4-alkyl-2(1H)-quinazolinones has been achieved by cyclization of 1-(2-alkynylphenyl)ureas (2 R2 = alkyl) in dichloroethane catalyzed by TfOH. In the case of aryl substitution (2 R2 = aryl), a mixture of quin