Abstract
2-Carboxy-6-methoxybenzofuran-3-acetic acid anhydride is utilised for the synthesis of novel polycyclic heteroaromatic compounds in which the benzofuran ring is fused or bound to pyrido[1,4]benzothiazine, thiazole, pyridine, pyrazolo-pyridine, pyrazole, pyrano-pyridine, and pyrazolo[1,5-a]pyrido[3,2-e]pyrimidines using versatile reaction strategies.
Keywords
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