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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 17, 1987 - Issue 9
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Original Articles

A Diels-Alder Approach to 4,4′-Ihiobis-(Phihalic Acid) Derivatives

Pages 1053-1062 | Published online: 19 Dec 2006
 

Abstract

Reactions of 3,3′-thiobis(2,5-dihydrothiophene 1,1 dioxide) (2) with several dienophiles afforded Diels Alder adducts 4–7. Compound 7 was aromatized to give 4,4′-thio-bis(dimethyl phthalate) (9), a potential intermediate to sulfur- bridged polyimides.

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