Demethylenation of Cyclopropanes via Photoinduced Guest-to-Host Electron Transfer in an M6L4 Cage

被引：86
作者：
Cullen, William [1 ]
Takezawa, Hiroki [1 ]
Fujita, Makoto [1 ]
机构：
[1] Univ Tokyo, Sch Engn, Dept Appl Chem, Bunkyo Ku, Hongo 7-3-1, Tokyo, Japan
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2019年 / 58卷 / 27期
关键词：
cage compounds; host-guest systems; photooxidation; strained molecules; supramolecular chemistry; PHOTOCYCLOADDITION; FRAGMENTATION; ENERGY; LIGAND; RING;
D O I：
10.1002/anie.201904752
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Unusual demethylenation reactions of cyclopropanes under UV-light irradiation were found within a cavity of a photoactive coordination cage. The reaction proceeded via a guest-to-host electron transfer owing to the highly electron-deficient nature of the cage. The reactions were highly chemo-selective and enabled late-stage derivatization of a steroid molecule, which led to a totally new un-natural steroid.
引用
收藏
页码：9171 / 9173
页数：3
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