详细信息
Yb(OTf)3-catalyzed one-pot synthesis of quinazolin-4(3H)-ones from anthranilic acid, amines and ortho esters (or formic acid) in solvent-free conditions ( SCI-EXPANDED收录)
文献类型：期刊文献
英文题名：Yb(OTf)3-catalyzed one-pot synthesis of quinazolin-4(3H)-ones from anthranilic acid, amines and ortho esters (or formic acid) in solvent-free conditions
作者：Wang, LM; Xia, JJ; Qin, F; Qian, CT; Sun, J
机构：[1]E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China;[2]Chinese Acad Sci, Shanghai Inst Organ Chem, Organomet Chem Lab, Shanghai 200032, Peoples R China
年份：2003
期号：8
起止页码：1241
外文期刊名：SYNTHESIS-STUTTGART
收录：;WOS:【SCI-EXPANDED(收录号:WOS:000183543700017)，CCR-EXPANDED(收录号:WOS:000183543700017)】；
语种：英文
外文关键词：quinazolin-4(3H)-ones; ytterbium triflate; one-pot reaction; anthranilic acid; amine
摘要：An efficient synthesis of an array of quinazolin-4(3H)-ones from anthranilic acid, ortho esters (or formic acid) and amines using Yb(OTf)(3) in one-pot under solvent-free conditions is described. Compared with the classical reaction conditions, this new synthetic method has the advantage of excellent yields (75-99%), shorter reaction time (few minutes) and reusability of the catalyst.
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