An Unexpected Phosphine-Catalyzed [3 + 2] Annulation. Synthesis of Highly Functionalized Cyclopentenes
摘要:
An unexpected phosphine-catalyzed [3 + 2] annulation from electron-deficient allenes and substituted alkylidenemalononitriles was realized in which the allylic moiety of the substituted alkylidenemalononitriles served as the three carbon unit of the cyclopentenes instead of the electron-deficient allenes.
Cyclization of ylidenemalononitriles. V. Formation of substituted .gamma.-lactones
作者:Ernest Campaigne、Richard Lee Ellis
DOI:10.1021/jo01283a002
日期:1967.8
An Unexpected Phosphine-Catalyzed [3 + 2] Annulation. Synthesis of Highly Functionalized Cyclopentenes
作者:Zheng Lu、Suqing Zheng、Xumu Zhang、Xiyan Lu
DOI:10.1021/ol8011452
日期:2008.8.7
An unexpected phosphine-catalyzed [3 + 2] annulation from electron-deficient allenes and substituted alkylidenemalononitriles was realized in which the allylic moiety of the substituted alkylidenemalononitriles served as the three carbon unit of the cyclopentenes instead of the electron-deficient allenes.