期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 15, 期 16, 页码 2380-2402出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.202000545
关键词
Heterocycles; annulation; cycloaddition; N-heterocyclic carbene (NHC); Lewis acid; base; phosphine; transition metal catalysis
资金
- Department of Science & Technology (DST, New Delhi)
- Department of Science & Technology (PURSE grant)
- Department of Science & Technology (FIST grant)
- UGC (CAS, NRC)
- SERB [SR/S2/JCB-53/2010]
- DST-SERB-NPDF [PDF/2017/000044]
- University of Hyderabad
- UGC, India
In this review, we summarize advances in [4+3] and a few other annulation/cycloaddition reactions for the construction of seven membered rings, with an emphasis on the literature subsequent to the year 2010. The type of products include the following: azepines, diazepines, benzazepinones, 1,2-diazepinones, oxazepinones, benzothiazepines, benzodiazepinones, benzoxopinones, cyclohepta[b]indoles, benzoxazepines, azepino-indoles, oxepines/oxazepanes, triazepines oxepinoindolones/azepinoindolones, oxadiazepines, azabicyclooctanes. Emphasis is also given to cover diverse types of annulations; possible intermediates are displayed in the illustrated schemes to aid future work.
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