A NOVEL METHOD FOR MEASUREMENT OF THE MEROCYANINE-SPIROPYRAN INTERCONVERSION IN THE NONACTIVATED 1,3,3-TRIMETHYLSPIRO-(2H-1-BENZOPYRAN-2,2'-INDOLINE) DERIVATIVES

被引：63
|
作者：
KEUM, SR
LEE, KB
KAZMAIER, PM
BUNCEL, E
机构：
[1] XEROX RES CTR CANADA LTD,DEPT CHEM,MISSISSAUGA L5K 2L1,ON,CANADA
[2] QUEENS UNIV,DEPT CHEM,KINGSTON K7L 3N6,ON,CANADA
来源：
TETRAHEDRON LETTERS | 1994年 / 35卷 / 07期
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
10.1016/S0040-4039(00)79953-9
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A novel method for studying the merocyanine reversible arrow spiropyran (MC reversible arrow SP) interconversion is proposed, consisting of an acid-induced ring opening of the spiropyran followed by neutralization and stopped-flow measurement of ring closure of the resulting merocyanine; the obtained solvatokinetic data indicated a duality of mechanistic pathways depending on the nature of the dye and solvent polarity.
引用
收藏
页码：1015 / 1018
页数：4
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