3199-61-9, Name is Ethyl benzofuran-2-carboxylate, belongs to benzofurans compound, is a common compound. name: Ethyl benzofuran-2-carboxylateIn an article, once mentioned the new application about 3199-61-9.
Benzo- and naphthofuran carboxylates 1, 2 and carboxamides 3, 4 were synthesized and pyrolysed by flash vacuum pyrolysis at 550 and 650 C/10?2 mmHg. 2-Formylbenzonitrile 7 from benzofurans and 2-formylnaphthonitrile 14 from naphthofurans were isolated and identified as major products. The mechanism suggested for these pyrolytic reactions involves elimination of alcohol and amine from carboxylates 1, 2 and carboxamides 3, 4 respectively, followed by extrusion of CO to form phenoxy and naphthoxycarbenes that leads to 7 and 14 respectively.
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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H3023O – PubChem