Köse, MahmutOrhan, ErsinSuzuki, KazushiTutar, AhmetÜnlü, Cihansel SancakYokoyama, Yasushi2020-04-302020-04-3020131010-6030https://doi.org/10.1016/j.jphotochem.2013.01.012https://hdl.handle.net/20.500.12684/4207YOKOYAMA, Yasushi/0000-0002-8654-1320; Tutar, Ahmet/0000-0001-5524-8001; orhan, ersin/0000-0002-5461-1005WOS: 000317442300008From 2,3-dibromobenz[f]indenone, four compound: 2,3-bis(5-methyl-2-phenyl-4-thiazolyl)benz [f]indenone 10, 2,3-bis(3,5-dimethyl-4-isoxazolyl)benz[f]indenone 20, 3-(3,5-dimethyl-4-isoxazolyl)-2-(5-methyl-2-phenyl-4-thiazolyl)benz[f]indenone 30 and 2,3-bis(5-methyl-2-phenyl-4-thiazolyl)benz[f]indenol 40 were prepared, and their photochromic properties were investigated. Among them, photochrome 10 (weak photochromic) and its bisthiazolylbenz[f]indenol derivative 40 displayed photochromism. During ring closure photoreaction, photochrome 40 showed high conversion ratio (98.4%) with low diastereomeric excess (38%). (C) 2013 Elsevier B.V. All rights reserved.en10.1016/j.jphotochem.2013.01.012info:eu-repo/semantics/closedAccessDiarylethenePhotochromismBisarylbenz[f]indenolsBisarylbenz[f]indenoneArticle2575053WOS:000317442300008N/AQ2