EFFECT OF HYDROGEN BONDING ON DIRECTION OF PHOTOISOMERIZATION OF RETINOIDS:THE ORIGIN OF THE SOLVENT POLARITY EFFECT.

查看全文 作　　者：Bao-wen ZHANG Robert S.H.LIU Department of Chemistry,2545 The Mall University of Hawaii,Honolulu,HI 96822 U.S.A. 出　　处：《Chinese Chemical Letters》索引1991年第2卷第1期,共4页 摘　　要：Studies of direction of photoisomerization of retinal,retinonitrile,a-retinonitrile and a trienenitrile analog in different solvents with varying wave-lengths of excitation and reaction temperature led to the conclusion that the wellknown solvent dependent photochemistry of retinoids is due to selective excitation ofthe hydrogen bonded species. 关 键 词：excitation irradiation analog CONCLUSION DRIED summarized adding additive bonded ethanol