Photochromism of Diarylethene Derivatives Having<i>n</i>-Alkylbenzothiophene and<i>n</i>-Alkylbenzofuran Units
作者:Tadatsugu Yamaguchi、Masahiro Irie
DOI:10.1246/bcsj.79.1100
日期:2006.7
Photochromic diarylethenes having benzofuran and benzothiophene rings have been synthesized and their photochromic performance in a single-crystallinephase has been examined. Although l,2-bis(2-methyl-1-benzothiophen-3-yl)perfluorocyclopentene (la) is photochemically inactive in the single-crystallinephase, diarylethene derivatives having a benzofuran ring (2a and 3a) undergo photochromism in the single-crystalline
Photochromism of 1,2-Bis(2-alkyl-1-benzofuran-3-yl)perfluorocyclopentene Derivatives
作者:Tadatsugu Yamaguchi、Masahiro Irie
DOI:10.1002/ejoc.200600011
日期:2006.7
[reaction: see text] Photochromic diarylethene derivatives having benzofuran heteroaryl groups, bis(2-methyl-1-benzofuran-3-yl)perfluorocyclopentene and bis(2-butyl-1-benzofuran-3-yl)perfluorocyclopentene, were synthesized, and their photochromic performance was examined in hexane solution as well as in the single-crystalline phase. The compounds exhibited photochromic reactivity even in the single-crystalline