DIETHER POLYPHENYLQUINOXALINES - MONOMERS VIA NITRO DISPLACEMENT-C-13-NMR ANALYSIS OF MONOMERS AND POLYMERS

被引:30
作者
RELLES, HM [1 ]
ORLANDO, CM [1 ]
HEATH, DR [1 ]
SCHLUENZ, RW [1 ]
MANELLO, JS [1 ]
HOFF, S [1 ]
机构
[1] GE,CTR RES & DEV,SCHENECTADY,NY 12301
关键词
BISBENZILS - DIETHER POLYPHENYLQUINOXALINES;
D O I
10.1002/pol.1977.170151014
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
In the reported experiments, bisbenzils have been prepared by nucleophilic aromatic nitro displacement reactions. These materials, some model compounds, and some polyphenylquinoxaline polymers prepared from them were rigorously analyzed by **1**3C-NMR spectroscopy. The observed chemical shifts were in excellent agreement with calculated values based on model systems. This served as the strongest evidence to support the proposed structures and gave additional intimate structural information on the polyphenylquinoxalines.
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收藏
页码:2441 / 2451
页数:11
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