Facile Synthesis of 3,4-Dihydro<i>-</i>α-pyrones via Michael Reaction-O-Acylation Sequences
作者:Shû Kobayashi、Mitsuhiro Moriwaki
DOI:10.1055/s-1997-3229
日期:1997.5
3,4-Dihydro-α-pyrones were prepared in excellent yields with high stereoselectivities by the trityl salt-catalyzed Michael reaction and sequential intramolecular O-acylation of the intermediary silyl enol ethers using a mercury (II) salt (one-pot reaction).
3,4-二氢-α-吡喃酮通过三苯基甲烷盐催化的迈克尔反应和中间硅醇醚的顺序分子内O-酰化反应(使用汞(II)盐,一锅反应)以优异的产率和高立体选择性制备。