Microwave-Assisted Pechmann Reaction on P 2 O 5 /Molecular Sieves. Application to the Preparation of 4-Substituted Coumarins
作者:Abbas Shockravi、Hassan Valizadeh、Majid. M. Heravi
DOI:10.1080/10426500214886
日期:2002.12.1
4-Substituted coumarins were efficiently and rapidly synthesised via Pechmanncondensation of phenols with ethylacetoacetate catalyzed by P 2 O 5 /molecular sieves in satisfactory yields.
通过P 2 O 5 /分子筛催化的苯酚与乙酰乙酸乙酯的Pechmann缩合反应,以令人满意的产率高效快速地合成了4-取代香豆素。