摘要
将冠醚结构单元与生色基团相结合所得有色冠醚可能具有某些特异性质早已引人注目。冠醚部花菁的研究曾有报道,但光致变色冠醚部花菁至今还未见报道。
Five photochromic crown ether merocyanine dyes (1～5) were prepared by thecondensation of 2-methylbenzothiazolium halice, incorporating a crown ether structural com-ponent on the phenyl moiety, with substituted salicylaldehydes in the presence of piperidene.It was found that these crown ether merocyanine dyes and the corresponding spiropyran iso-mer were in reverse photochromic equilibrium where the merocyanine form is more stable thanthe spiropyran form.
出处
《有机化学》
SCIE
CAS
CSCD
北大核心
1992年第1期76-80,共5页
Chinese Journal of Organic Chemistry
关键词
冠醚
部花菁染料
合成
光致变色
crown ether
merocyanine dye
synthesis
photochromism
