960化工网
Novel approach to biscarbazole alkaloidsvia Ullmann coupling – synthesis of murrastifoline-A and bismurrayafoline-A†‡
Carsten Börger,Olga Kataeva,Hans-Joachim Knölker
Organic & Biomolecular Chemistry Pub Date : 07/25/2012 00:00:00 , DOI:10.1039/C2OB26229K
Abstract

Unprecedented Ullmann couplings of murrayafoline-A with either 6-bromo- or 4-bromocarbazole derivatives provide highly efficient synthetic routes to the biscarbazole alkaloids murrastifoline-A (6 steps, 66% overall yield) and bismurrayafoline-A (6 steps, 28% overall yield).

Graphical abstract: Novel approach to biscarbazole alkaloids via Ullmann coupling – synthesis of murrastifoline-A and bismurrayafoline-A
平台客服
平台客服
平台在线客服