Liang Wei, Qiao Zhu, Zhi-Min Song, Kang Liu and Chun-Jiang Wang
Chem. Commun., 2018,54, 2506-2509
DOI:
10.1039/C7CC09896K,
Communication
An unprecedented copper(I)-catalyzed asymmetric inverse electron demand Diels–Alder reaction of azoalkenes with fulvenes is reported. This methodology offers a directed entry to synthesize bicyclic tetrapyridazine derivatives in good yield with exclusive regioselectivity and excellent stereoselectivity.