Photochemistry of nonconjugated bichromophoric systems 1: Synthesis and photoreaction of polymethylene bis-coumarinyloxyacetates

Acta Chimica Sinica ›› 1997, Vol. 55 ›› Issue (2): 189-195. Previous Articles Next Articles

Original Articles

非共轭双发色团体系的光化学 1: 双香豆素氧乙酸多次甲基二醇酯的合成及光反应研究

杜大明;王永梅;张慧萍;孟继本;周秀中

南开大学化学系

发布日期:1997-02-15

Photochemistry of nonconjugated bichromophoric systems 1: Synthesis and photoreaction of polymethylene bis-coumarinyloxyacetates

DU DAMING;WANG YONGMEI;ZHANG HUIPING;MENG JIBEN;ZHOU XIUZHONG

Published:1997-02-15

Abstract

A series of polymethylene bis-coumarinyloxyacetates have been synthesized and their intramolecular photochemical cyclomerization have been studied. It was found that only syn-HT configuration products were obtained when these bis-esters were directly irradiated in chloroform, and the yields of the products decreased with the increase of chain length. The crystal structure of product 3b was determined by X-ray diffraction analysis.

Key words: CRYSTAL STRUCTURE, PHOTOCHEMISTRY, COUMARIN P, CHROMOPHOR, FOUR-CIRCLE DIFFRACTOMETER, DICOUMAROLUM

CLC Number:

O644

Cite this article

DU DAMING;WANG YONGMEI;ZHANG HUIPING;MENG JIBEN;ZHOU XIUZHONG. Photochemistry of nonconjugated bichromophoric systems 1: Synthesis and photoreaction of polymethylene bis-coumarinyloxyacetates[J]. Acta Chimica Sinica, 1997, 55(2): 189-195.

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非共轭双发色团体系的光化学 1: 双香豆素氧乙酸多次甲基二醇酯的合成及光反应研究

Photochemistry of nonconjugated bichromophoric systems 1: Synthesis and photoreaction of polymethylene bis-coumarinyloxyacetates

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