Evaluating Thiourea Architecture for Intramolecular [2+2] Photocycloaddition of 4-Alkenylcoumarins

被引：41
|
作者：
Vallavoju, Nandini [1 ]
Selvakumar, Sermadurai [1 ]
Jockusch, Steffen [2 ]
Prabhakaran, Manoj Thathamkulam [1 ]
Sibi, Mukund P. [1 ]
Sivaguru, Jayaraman [1 ]
机构：
[1] N Dakota State Univ, Dept Chem & Biochem, Fargo, ND 58108 USA
[2] Columbia Univ, Dept Chem, New York, NY 10027 USA
来源：
ADVANCED SYNTHESIS & CATALYSIS | 2014年 / 356卷 / 13期
基金：
美国国家科学基金会;
关键词：
asymmetric photoreactions; hydrogen bonding photocatalysis; organophotocatalysis; photochirogenesis; thiourea photocatalysis; PHOTOREDOX CATALYSIS; PHOTOCHEMICAL-REACTIONS; METAL-COMPLEXES; BOND DONORS; TEMPERATURE; ALKYLATION; CHIRALITY; ORGANOCATALYSIS; CONFINEMENT;
D O I：
10.1002/adsc.201400677
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The efficiency of [2+2] photocycloadditions of 4-alkenylcoumarins was evaluated with various thiourea skeletons to develop thiourea-based catalysts for promoting photochemical reactions. Our results indicate that the excited state chemistry is dependent on the nature of the thiourea catalyst employed to activate the photoactive substrate.
引用
收藏
页码：2763 / 2768
页数：6
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