Sulphamic acid - An efficient and cost-effective solid acid catalyst for the Pechmann reaction

被引:93
作者
Singh, PR [1 ]
Singh, DU [1 ]
Samant, SD [1 ]
机构
[1] Univ Bombay, Inst Chem Technol, Organ Chem Res Lab, Bombay 400019, Maharashtra, India
关键词
sulphamic acid; Pechmann reaction; coumarins;
D O I
10.1055/s-2004-830858
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Sulphamic acid (H2NSO3H, SA) is used as an alternative to conventional acid catalysts in the Pechmann condensation of phenols with beta-ketoester leading to the formation of substituted coumarin. The method is simple, cost-effective, solvent-free and gives good yields in a short reaction time.
引用
收藏
页码:1909 / 1912
页数:4
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