an efficient synthesis of the title compound has been developed from 3-phenyl suffonylpropanoic acid via the butenolide 2. The key synthetic step is a Diels-Alder reaction. A mechanism is suggested.
(Alkoxyallyl)sulfones as enal β-anion equivalents. Synthesis of 5-substituted 2(5H)-furanones
作者:Donald Craig、Christopher J. Etheridge、Alison M. Smith
DOI:10.1016/s0040-4020(96)00931-3
日期:1996.11
2(5H)-Furanones 14 may be prepared in a four-step sequence starting from (alkoxyallyl)sulfone 10 and aldehydes. Copyright (C) 1996 Elsevier Science Ltd
Synthese et reactions de Diels-Alder des 5-alcenyl(3H)furan-2-ones
作者:C. Alexandre、C. Bertho、B. Tabti、F. Rouessac
DOI:10.1016/s0040-4020(01)80981-9
日期:1991.7
Treatment of (5H)-2-furanones with LDA gives the corresponding (3H)-2-furanones which react easily in water with dienophiles to give cycloadducts in good yields and high stereoselectivity.
CARRETERO, JUAN CARLOS;DE, LOMBAERT STEPHANE;CHOSEZ, LEON, TETRAHEDRON LETT., 28,(1987) N 26, 2135-2138
作者:CARRETERO, JUAN CARLOS、DE, LOMBAERT STEPHANE、CHOSEZ, LEON