Visible-light-driven electrocyclization of activated allylic amines via azomethine ylide formation

被引：38
|
作者：
Yadav, Arvind K. [1 ]
Yadav, Lal Dhar S. [1 ]
机构：
[1] Univ Allahabad, Dept Chem, Green Synth Lab, Allahabad 211002, Uttar Pradesh, India
来源：
TETRAHEDRON LETTERS | 2015年 / 56卷 / 05期
关键词：
Azomethine ylide; Allylic amines; Electrocyclization; Iminium ion; Photoredox catalysis; Visible light; BAYLIS-HILLMAN ADDUCTS; MERGING PHOTOREDOX CATALYSIS; C-H BONDS; EXPEDIENT SYNTHESIS; DUAL CATALYSIS; OXIDATION; PHOTOCATALYSIS; ACCESS; CONSTRUCTION; DERIVATIVES;
D O I：
10.1016/j.tetlet.2014.12.063
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Visible-light-driven aerobic oxidative 6 pi-electrocylization of tetrahydroisoquinoline (THIQ) derived activated allylic amines leading to functionalized tricyclic N-heterocycles is reported. The reaction proceeds through visible-light-induced formation of the iminium ion followed by azomethine ylide generation, and cyclization steps. This is the first example of visible-light-initiated catalytic electrocyclization reaction at room temperature. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：686 / 689
页数：4
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