597533-35-2

Upstream product

• 597533-17-0 4-methoxy-3-methylbenzofuran-2-carboxylic acid hydrazide 
• 3781-69-9 4-hydroxy-3-methyl-benzofuran-2-carboxylic acid ethyl ester 
• 3781-71-3 ethyl 3-Methyl-4-methoxybenzofuran-2-carboxylate 
• 597533-22-7 4-Methoxy-3-methyl-benzofuran-2-carboxylic acid [1-(4-chloro-phenyl)-meth-(E)-ylidene]-hydrazide 

Relevant academic research and scientific papers

Syntheses of [1,2,3]selenadiazolo[4,5-e]benzofuran or benzothiophene, [1,2,3]thiadiazolo[4,5-e]benzofuran or benzothiophene, and 2-benzofuranyl-1,3,4-oxodiazole derivatives

Dehydrogenation of ethyl 3-methyl-4-oxo-4,5,6,7-tetrahydrobenzofuran-2-carboxylate 1 with 2,2′-azobisisobutyronitrile and N-bromosuccinimide gave ethyl 4-hydroxy-3-methylbenzofuran-2-carboxylate 3. Reaction of compounds 3-4 with hydrazine hydrate afforded