Synthesis of 3(2<i>H</i>)-furanone derivatives: <i>p</i>-TsOH/halotrimethylsilane promoted cycloketonization of <i>γ</i>-hydroxyl ynones
作者:Yi-Feng Qiu、Jian-He Cao、Shutao Wang、Qiang Wang、Ming Li、Jun-Jiao Wang、Zheng-Jun Quan、Xi-Cun Wang
DOI:10.1039/d3ob01500a
日期:——
A p-TsOH/halotrimethylsilane facilitated cycloketonization of γ-hydroxyl ynones is detailed. This methodology enables the one-step synthesis of polysubstituted 3(2H)-furanone products. It is remarkable that the reaction exhibits excellent regio- and chemoselectivity by the addition of very small quantities of p-toluenesulfonic acid and water.
详细描述了对-TsOH /卤代三甲基硅烷促进γ-羟基炔酮的环酮化。该方法能够一步合成多取代的 3(2 H )-呋喃酮产品。值得注意的是,通过添加极少量的对甲苯磺酸和水,该反应表现出优异的区域选择性和化学选择性。
Gold(III)- and Platinum(II)-Catalyzed Domino Reaction Consisting of Heterocyclization and 1,2-Migration: Efficient Synthesis of Highly Substituted 3(2H)-Furanones
作者:Stefan F. Kirsch、Jörg T. Binder、Clémence Liébert、Helge Menz