Functionally diverse nucleophilic trapping of iminium intermediates generated utilizing visible light.
Functionally diverse nucleophilic trapping of iminium intermediates generated utilizing visible light.
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DOI:
10.1021/ol202883v
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发表时间:
2012-01-06
期刊:
影响因子:
5.2
通讯作者:
Stephenson CR
中科院分区:
文献类型:
--
作者:
Freeman DB;Furst L;Condie AG;Stephenson CR
Our previous studies into visible light-mediated aza-Henry reactions demonstrated that molecular oxygen played a vital role in catalyst turnover as well as the production of base to facilitate the nucleophilic addition of nitroalkanes. Herein, improved conditions for the generation of iminium ions from tetrahydroisoquinolines that allow for versatile nucleophilic trapping are reported. The new conditions provide access to a diverse range of functionality under mild, anaerobic reaction conditions as well as mechanistic insights into the photoredox cycle.
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