Dearomative (4 + 3) Cycloaddition Reactions of 3-Alkenylindoles and 3-Alkenylpyrroles to Afford Cyclohepta[b]indoles and Cyclohepta[b]pyrroles.
Dearomative (4 + 3) Cycloaddition Reactions of 3-Alkenylindoles and 3-Alkenylpyrroles to Afford Cyclohepta[b]indoles and Cyclohepta[b]pyrroles.
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3-烷基吲哚和3-烷基吡咯骨的临界(4 + 3)环载反应,可提供环保[b]吲哚和环形[b]吡咯。
DOI:
10.1021/acs.orglett.2c02983
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发表时间:
2022-11-11
期刊:
影响因子:
5.2
通讯作者:
Rawal, Viresh H.
中科院分区:
文献类型:
--
作者:
Taenzler, Ferdinand;Xu, Jiasu;Athe, Sudhakar;Rawal, Viresh H.
The dearomative (4 + 3) cycloaddition reactions of 3-alkenylindoles with in situ-generated oxyallyl cations furnish cyclohepta[b]indoles, functionality-rich frameworks found in many bioactive compounds, including all pentacyclic ambiguine alkaloids. The analogous reactions between oxyallyl cations and 3-alkenylpyrroles afford cyclohepta[b]pyrroles. The cycloadducts are generally formed in good to high yields and diastereoselectivities and can be readily transformed into useful derivatives. Additionally, we report preliminary investigations into the enantioselective catalysis of the dearomative (4 + 3) cycloaddition using imidodiphosphorimidate catalysts.
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影响因子:
2.1
作者:
BERGMAN, J;VENEMALM, L;GOGOLL, A
通讯作者:
GOGOLL, A
影响因子:
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DOI:
10.1126/science.aao5894
发表时间:
2017-11-10
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Banik SM;Levina A;Hyde AM;Jacobsen EN
通讯作者:
Jacobsen EN