Palladium-mediated polymerization of cyclic diazoketones

被引:31
作者
Ihara, Eiji [1 ]
Hiraren, Toshimitsu [1 ]
Itoh, Tomomichi [1 ]
Inoue, Kenzo [1 ]
机构
[1] Ehime Univ, Venture Business Lab, Grad Sch Sci & Engn, Dept Mat Sci & Biotechnol, Matsuyama, Ehime 7908577, Japan
关键词
copolymerization; cyclic diazoketone; monomers; poly(substituted methylene) synthesis; transition metal chemistry;
D O I
10.1002/pola.22504
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Palladium-mediated polymerization of cyclic diazoketones was investigated. Although cyclic diazoketones 1a,b derived from cyclohexanone and 1-tetralone did not homopolymerize, they can be used as a comonomer for copolymerization with polymerizable acyclic diazoketones. On the other hand, an alpha,beta-unsaturated cyclic diazoketone 2a prepared from 2-cyclohexen-1-one polymerized to give a polymer poly2a' with M-n = 1400 in a 23.8% yield. Addition of some nucleophiles to C=C bond in poly2a' was carried out. Copolymerization of 2a and its dimethyl-substituted analogues 2b,c with acyclic diazoketones was also investigated. (C) 2008 Wiley Periodicals, Inc.
引用
收藏
页码:1638 / 1648
页数:11
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