Tetrahedron p. 14757 - 14766 (1998)
Update date:2022-08-04
Topics:
Richard
Carreyre
Coustard
Bachmann
Perot
The reaction between 2-acetylbenzofuran and acetic anhydride at 60°C in the presence of HY-zeolite (Si/Al = 16) led to a single final product:3- (benzofuran-2-carbonyl)pentane-2,4-dione resulting from two consecutive acylation steps on the side chain. It was obtained in a 90% purity at around 50% conversion of 2-acetylbenzofuran. Other minor products and intermediates were also identified. A mechanism is proposed to account for the formation of the various products.
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Doi:10.1016/S0957-4166(98)00422-4
(1998)Doi:10.1021/ja01080a017
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(1999)
