A new synthesis of 3-carboxy-2,5-disubstituted furans and their conversionto 5-vinyl derivatives

Citation
Ja. Marshall et D. Zou, A new synthesis of 3-carboxy-2,5-disubstituted furans and their conversionto 5-vinyl derivatives, TETRAHEDR L, 41(9), 2000, pp. 1347-1350
Citations number
14
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON LETTERS
ISSN journal
00404039 → ACNP
Volume
41
Issue
9
Year of publication
2000
Pages
1347 - 1350
Database
ISI
SICI code
0040-4039(20000226)41:9<1347:ANSO3F>2.0.ZU;2-7
Abstract
A new route to the title compounds is described. The key transformation inv olves treatment of a 2-(4-keto-2-alkynyl)-3-ketobutanoate with silica gel o r Et3N to effect ring closure and subsequent double bond isomerization. (C) 2000 Elsevier Science Ltd. All rights reserved.