Synthesis of Photochromic 1,2-Dihetarylethene Using Regioselective Acylation of Thienopyrroles

The influence of catalysts, acid chlorides, and solvents in the acylation of methyl 2-methyl-4H-thieno[3,2-b]pyrrole-5-carboxylate was studied. Conditions for the regioselective acylation processes were found. Thienopyrrole-based photochrome was synthesized for the first time.

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Bibliographic Details
Published in:Organic letters 2002-10, Vol.4 (22), p.3879-3881
Main Authors: Krayushkin, Michael M, Yarovenko, Vladimir N, Semenov, Stanislav L, Zavarzin, Igor V, Ignatenko, Anatoliy V, Martynkin, Andrey Yu, Uzhinov, Boris M
Format: Article
Language:English
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Summary:The influence of catalysts, acid chlorides, and solvents in the acylation of methyl 2-methyl-4H-thieno[3,2-b]pyrrole-5-carboxylate was studied. Conditions for the regioselective acylation processes were found. Thienopyrrole-based photochrome was synthesized for the first time.
ISSN:1523-7060
1523-7052
DOI:10.1021/ol026705i