Phosphine-Catalyzed Asymmetric (3 + 2) Annulations of δ-Acetoxy Allenoates with β-Carbonyl Amides: Enantioselective Synthesis of Spirocyclic β-Keto γ-Lactams
Ni, Chunjie, Chen, Jiangfei, Zhang, Yuwen, Hou, Yading, Wang, Dong, Tong, Xiaofeng, Zhu, Shou-Fei, Zhou, Qi-LinLanguage:
english
Journal:
Organic Letters
DOI:
10.1021/acs.orglett.7b01717
Date:
June, 2017
File:
PDF, 2.33 MB
english, 2017