A Novel Photopolymerization Initiating System Based on an Iridium Complex Photocatalyst

被引:99
作者
Lalevee, Jacques [1 ]
Blanchard, Nicolas [2 ]
Tehfe, Mohamad-Ali [1 ]
Peter, Mathieu [1 ]
Morlet-Savary, Fabrice [1 ]
Fouassier, Jean Pierre [1 ]
机构
[1] Univ Haute Alsace, Dept Photochem, ENSCMu, LPIM, F-68093 Mulhouse, France
[2] Univ Haute Alsace, Lab Organ & Bioorgan Chem, ENSCMu, F-68093 Mulhouse, France
关键词
iridium complexes; photoredox organocatalysis; ring opening polymerization; silyl radicals; CATIONIC-POLYMERIZATION; PHOTOREDOX CATALYSIS; PHOTOINITIATOR; ALDEHYDES; RADICALS;
D O I
10.1002/marc.201100098
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The use of a photocatalyst (tris(2-phenylpyridine)iridium [Ir(ppy)(3)]) being able to generate both radicals and cations to initiate free radical polymerization and ring opening polymerization is presented. Remarkably, under soft irradiations (fluorescence bulb, sunlight), excellent cationic polymerization profiles and final conversions are obtained. The involved mechanisms are investigated by ESR experiments.
引用
收藏
页码:917 / 920
页数:4
相关论文
共 26 条
[11]   Photochemistry and photophysics of coordination compounds: Iridium [J].
Flamigni, Lucia ;
Barbieri, Andrea ;
Sabatini, Cristiana ;
Ventura, Barbara ;
Barigelletti, Francesco .
PHOTOCHEMISTRY AND PHOTOPHYSICS OF COORDINATION COMPOUNDS II, 2007, 281 :143-203
[12]   TIME-RESOLVED LASER SPECTROSCOPY OF THE SENSITIZED PHOTOLYSIS OF IODONIUM SALTS [J].
FOUASSIER, JP ;
BURR, D .
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 1989, 49 (03) :317-324
[13]   Visible Light-Mediated Intermolecular C-H Functionalization of Electron-Rich Heterocycles with Malonates [J].
Furst, Laura ;
Matsuura, Bryan S. ;
Narayanam, Jagan M. R. ;
Tucker, Joseph W. ;
Stephenson, Corey R. J. .
ORGANIC LETTERS, 2010, 12 (13) :3104-3107
[14]   [2+2] Cycloadditions by Oxidative Visible Light Photocatalysis [J].
Ischay, Michael A. ;
Lu, Zhan ;
Yoon, Tehshik P. .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2010, 132 (25) :8572-+
[15]  
LALEVEE J, UNPUB
[16]   Green Bulb Light Source Induced Epoxy Cationic Polymerization under Air Using Tris(2,2′-bipyridine)ruthenium(II) and Silyl Radicals [J].
Lalevee, Jacques ;
Blanchard, Nicolas ;
Tehfe, Mohamad-Ali ;
Morlet-Savary, Fabrice ;
Fouassier, Jean Pierre .
MACROMOLECULES, 2010, 43 (24) :10191-10195
[17]   Enantioselective α-Trifluoromethylation of Aldehydes via Photoredox Organocatalysis [J].
Nagib, David A. ;
Scott, Mark E. ;
MacMillan, David W. C. .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2009, 131 (31) :10875-+
[18]   Merging photoredox catalysis with organocatalysis: The direct asymmetric alkylation of aldehydes [J].
Nicewicz, David A. ;
MacMillan, David W. C. .
SCIENCE, 2008, 322 (5898) :77-80
[19]  
Okada S, 2005, DALTON T, P1583, DOI 10.1039/b417058j
[20]   Enantioselective α-Benzylation of Aldehydes via Photoredox Organocatalysis [J].
Shih, Hui-Wen ;
Vander Wal, Mark N. ;
Grange, Rebecca L. ;
MacMillan, David W. C. .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2010, 132 (39) :13600-13603