Phosphine-catalyzed dearomatizing [3+2] annulations of isoquinolinium methylides with allenes
作者:Zhi-Jun Jia、Constantin Gabriel Daniliuc、Andrey P. Antonchick、Herbert Waldmann
DOI:10.1039/c4cc08555h
日期:——
A phosphine-catalyzed annulation provides an access to highly functionalized pyrroloisoquinolines with high regioselectivity.
一种膦催化的环化反应提供了一种高区域选择性的高度官能化的吡咯异喹啉的合成方法。
Silicon as a directing group in the phosphine-catalyzed [2 + 3]-cycloaddition of aryl allenones with electron-deficient olefins
作者:Magesh Sampath、Teck-Peng Loh
DOI:10.1039/b819959k
日期:——
This Communication describes a highly efficient phosphine-catalyzed [2+3]-cycloaddition reaction using alpha-trimethylsilyl-substituted aryl allenones and electron deficient olefins; both good yields and good asymmetric induction were obtained.