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- Title
Cobalt(II)-Catalyzed C.
- Authors
Zhang, Lin‐Bao; Hao, Xin‐Qi; Liu, Zhan‐Jiang; Zheng, Xin‐Xiang; Zhang, Shou‐Kun; Niu, Jun‐Long; Song, Mao‐Ping
- Abstract
A highly efficient cobalt(II)-catalyzed alkynylation/annulation of terminal alkynes assisted by an N,O-bidentate directing group is described. This protocol is characterized by wide substrate scope utilizing cheap cobalt catalysts, and offers a new approach to 3-methyleneisoindolin-1-one, which can be converted into an oxadiazine salt in one step. Moreover, the directing group could be removed in three steps.
- Subjects
COBALT compounds; CATALYTIC activity; ANNULATION; SUBSTRATES (Materials science); OXADIAZINES
- Publication
Angewandte Chemie International Edition, 2015, Vol 54, Issue 34, p10012
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201504962