Synthesis and photoreaction of polymethylenediamine bis(4-methyl-7-coumarinyl)oxyacetic amides

被引：0
|
作者：
杜大明
周灵萍
王永梅
孟继本
机构：
[1] Department of Chemistry
[2] Shandong University
[3] Jinan
[4] Shandong 250100
[5] China
[6] Nankai University
[7] Tianjin 300071
[8] China
来源：
Chinese Journal of Chemistry | 1998年 / 05期
关键词：
Photoreaction; bischromophoric system; intramolecular cyclodimenzation; coumarm;
D O I：
暂无
中图分类号：
O631 [高分子物理和高分子物理化学];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A series of polymethylenediamine bis(4-methyl-7-coumarinyl)oxyacetic amides have been synthesized and their intramolecular photochemical cyclodimerizations have been investigated It was found that only syn-HT configuration products were obtained when these bisamides were directly irradiated in dimethyl sulfoxide solution and the yields of the products decreased with the intrease of the chain length.The structures of long chain amides and their intramolecular photoryrlizatum products were determined by IR,MS,1H NMR and elemental analysis.
引用
收藏
页码：468 / 472
页数：5
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