Russian Chemical Bulletin.
Том 65.
2016.
С. 1541-1549
A convenient two step protocol for the synthesis of carbazole lignans involving Domino Wittig reaction/Diels Alder reaction followed by aromatization with DDQ is described. The main step of this protocol involves interaction between 2- or 3-indolecarboxyaldehydes and cinnamyl 2-(triphenylphosphoranylidene)acetates. ©2016 Elsevier Ltd. All rights reserved.