A concise method to prepare novel fused heteroaromatic diones through double Friedel–Crafts acylation?

Organic Chemistry Frontiers Pub Date: 2014-03-18 DOI: 10.1039/C4QO00032C

Abstract

This paper explored the intramolecular double Friedel–Crafts acylation strategy in approaching different types of novel fused heteroaromatic diones (12 samples using 2,2′-bithiophene, 2,2′-bifuran, 2,2′-biselenophene, and 2,2′-bipyrrole as cores) with 16%–85% yield.

Graphical abstract: A concise method to prepare novel fused heteroaromatic diones through double Friedel–Crafts acylation
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