Pyridine/Potassium tert-Butoxide Catalyzed Benzannulation of β-Diketones with Dimethyl Acetylenedicarboxylate
作者:Song Xue、Bin Hu、Ling-Guo Meng、Yan-Ling Liu、Mao Liang
DOI:10.1055/s-0029-1217035
日期:——
A benzannulation reaction of β-diketones with dimethyl acetylenedicarboxylate catalyzed by pyridine and potassium tert-butoxide is described. Fully substituted benzenes are synthesized from simple and commercially available starting materials under mild conditions in high yields. benzannulation - dimethyl acetylenedicarboxylate - pyridine - β-diketones - potassium tert-butoxide
描述了由吡啶和叔丁醇钾催化的β-二酮与乙炔二甲酸二甲酯的苯并环反应。全取代苯是由简单且可商购的起始原料在温和条件下以高收率合成的。 苯甲酸-乙炔二甲酸二甲酯-吡啶-β-二酮-叔丁醇钾