Synthesis of 3??(5??Methylthiophen??2??yl) coumarins and Their Photochromic Dihetarylethene Derivatives

…, VN Yarovenko, VA Barachevsky…

Index: Bochkov, Andrei Y.; Krayushkin, Mikhail M.; Yarovenko, Vladimir N.; Barachevsky, Valery A.; Beletskaya, Irina P.; Traven, Valery F. Journal of Heterocyclic Chemistry, 2013 , vol. 50, # 4 p. 891 - 898

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Citation Number: 2

Abstract

Abstract Novel unsymmetrical di (thienyl) maleic acid anhydride, including coumarin moiety, has been designed and synthesized. Its photochromism study and fatigue resistance estimation are reported. Microwave-assisted procedure has been successfully used for synthesis of 3-(5-methylthiophen-2-yl) coumarins.