2017•DEStech Transactions on Materials Science and EngineeringRequires access
Synthesizes and Properties of 1-[2-methyl-5-(4-fluorophenyl)-3- thienyl]-2-[2-methyl-5-(3-methoxy-4-formyphenyl)-3-thienyl] perfluorocyclopentene
Fang Duan, G. Liu
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Abstract
A novel unsymmetrical photochromic diarylethene 1-[2-methyl-5-(4-fluorophenyl)- 3-thienyl]-2-[2-methyl-5-(3-methoxy-4-formyphenyl)-3-thienyl]perfluorocyclopentene(1o), was successfully synthesized and its properties were investigated in detail, including photochromic reactivity kinetics and concentration effect. The results showed that the compound exhibited remarkable photochromism, changing between colorless and blue in solution by photoirradiation, respectively. What is more, the kinetic experiments illustrated that the cyclization/cycloreversion process of this compound was determined to be the zeroth/first reaction.