期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 19, 期 44, 页码 9645-9648出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ob01922h
关键词
-
资金
- Anhui Provincial Natural Science Foundation [1908085MB33]
- Anhui University of Technology
Copper triflate-catalyzed annulations of oxindole based spirocyclic donor-acceptor cyclopropanes and ynamides have been developed for the synthesis of biologically important spirocyclopenteneoxindoles. These reactions tolerated a wide scope of substrates and provided the desired products in good to high yields with high diastereoselectivities under mild conditions.
[3 + 2] annulations of oxindole based spirocyclic donor-acceptor cyclopropanes and ynamides catalyzed by copper triflate have been developed for the synthesis of biologically important spirocyclopenteneoxindoles. These reactions tolerated a wide scope of substrates and provided the desired products in good to high yields (up to 90%) with up to >40 : 1 diastereoselectivities under mild conditions.
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