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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 30, 2000 - Issue 10
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Original Articles

Synthesis of 3,4-Bis (4′-Methylphenyl) Thieno [2,3-b]Thiophene: First Example of Peri-Diaryl Thienothiophene

Sabir H. Mashraqui Department of Chemistry, University of Mumbai, Vidyanagari, Santacruz (E), Mumbai, 400 098, India E-mail: [email protected]
&
Harini Hariharasubrahmanian Department of Chemistry, University of Mumbai, Vidyanagari, Santacruz (E), Mumbai, 400 098, India E-mail: [email protected]
Pages 1695-1701 | Accepted 03 Jul 1999, Published online: 04 Dec 2007
 
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Abstract

3,4-bis(4′-methylphenyl) thienothiophene, the first example of peri-(3,4) diaryl thienothiophene has been synthesized by a sequence involving preparation of ketene dithioacetal, Dieckmann type cyclization, ester hydrolysis and decarboxylation.

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