Photoorganocatalysis. What for?

被引:790
作者
Ravelli, Davide [1 ]
Fagnoni, Maurizio [1 ]
Albini, Angelo [1 ]
机构
[1] Univ Pavia, Dept Chem, PhotoGreen Lab, I-27100 Pavia, Italy
关键词
PHOTOCHEMICALLY INDUCED ADDITION; VISIBLE-LIGHT PHOTOCATALYSIS; ELECTRON-DEFICIENT ALKENES; GRAPHITIC CARBON NITRIDE; TERTIARY-AMINES; METAL-FREE; PHOTOREDOX CATALYSIS; RADICAL-ADDITION; ALPHA-ENONES; SYNTHETIC APPLICATIONS;
D O I
10.1039/c2cs35250h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In the reactions reviewed, an organic molecule under irradiation catalyzes a chemical reaction. The activation is based either on hydrogen or on electron transfer. Commonly used photoorganocatalysts are aromatic ketones, quinones, heterocycles, dyes; intermediates formed are radicals, radical ions and ions from precursors such as alkanes, alkenes, amines, ethers etc. Oxidation (mainly oxygenation) and reduction processes are obtained along with the alpha-functionalization of amines and ketones, conjugate additions, cycloadditions etc. The key characteristic of the method is the smooth generation of highly reactive intermediates under mild conditions.
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页码:97 / 113
页数:17
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