期刊
RSC ADVANCES
卷 10, 期 48, 页码 28720-28724出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ra05687a
关键词
-
资金
- National Natural Science Foundation [21801214]
- Higher Education Institution Key Research Project Plan of Henan Province of China [18A150014]
A highly diastereoselective dearomative [3 + 2] 1,3-dipolar cycloaddition reaction of nitrobenzothiophenes with anin situ-generated nonstabilized azomethine ylides has been developed. The transformation provides a series of functionalized fused tricyclic benzo[4,5]thieno[2,3-c]pyrroles in good yields (up to 92%) under mild reaction conditions. In addition, a gram-scale experiment and the synthetic transformation of the cycloadduct further highlighted the synthetic utility. The relative configurations of the typical products were clearly confirmed by X-ray crystallography.
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