Radical Cation Cyclopropanations via Chromium Photooxidative Catalysis.

Radical Cation Cyclopropanations via Chromium Photooxidative Catalysis.
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DOI:
10.1021/acs.orglett.7b01095
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发表时间:
2017-06-02
期刊:
影响因子:
5.2
通讯作者:
Ferreira EM
Ferreira EM
中科院分区:
化学1区
文献类型:
--
作者:
Sarabia FJ;Ferreira EM

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The chromium photocatalyzed cyclopropanation of diazo reagents with electron rich alkenes is described. The transformation occurs under mild conditions and features specific distinctions from traditional diazo-based cyclopropanations (e.g., avoiding β-hydride elimination, chemoselectivity considerations, etc.). The reaction appears to work most effectively using chromium catalysis, and a number of decorated cyclopropanes can be accessed in generally good yields.
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