Stitching Oxindoles and Ynones in a Domino Process: Access to Spirooxindoles and Application to a Short Synthesis of Spindomycin B
作者:Ramesh Samineni、Jaipal Madapa、Srihari Pabbaraja、Goverdhan Mehta
DOI:10.1021/acs.orglett.7b03030
日期:2017.11.17
was devised for spiroannulation of oxindoles with ortho-bromoaryl ynones, β-bromoalkenyl ynones, and β-bromoalkenyl enones in a convenient and efficient manner. As an application, a short synthesis of tetracyclic alkaloid spindomycin B was accomplished.
一般,过渡无金属,单罐,多米诺迈克尔-S ñ Ar或广告ñ Ë替代协议被设计用于的羟吲哚与spiroannulation邻便利-bromoaryl ynones,β-bromoalkenyl ynones,和β-bromoalkenyl烯酮高效的方式。作为一种应用,完成了四环生物碱菠菜霉素B的短时合成。