Synthesis of 4-hetaryl-5,6-(2,5-dimethyl-3-thienyl)-2-phenyl-4h-thiazines and investigation of their photochromism |
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| Authors: | L I Belen’kii A V Kolotaev V Z Shirinyan M M Krayushkin Yu P Strokach T M Valova Z O Golotyuk V A Barachevskii |
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| Institution: | (1) N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, 119991, Russia;(2) Center for Photochemistry, Russian Academy of Sciences, Moscow, 119421;(3) Russian D. I. Mendeleev University of Chemical Technology, Moscow, 125820 |
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| Abstract: | The polar 4+2] cycloaddition reaction of 1,2-bis(2,5-dimethyl-3-thienyl)acetylene with thiobenzamide and certain aldehydes of the thiophene and furan series catalyzed by boron trifluoride etherate gives the corresponding 4-hetaryl-5,6-di(2,5-dimethyl-3-thienyl)-2-phenyl-4H-1,3-thiazines. The photochromic properties of the products have been studied.__________Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 100–106, January, 2005. |
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| Keywords: | 1 2-bis(2 5-dimethyl-3-thienyl)acetylene hetarenecarbaldehydes 4-hetaryl-5 6-di(2 5-dimethyl-3-thienyl)-2-phenyl-4H-1 3-thiazines thiobenzamide photochromism |
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