A novel palladium-catalyzed tandem dimerization and cyclization of acetylenic ketones. A convenient method for 3,3 '-bifurans

Authors
Jeevanandam, A Narkunan, K Cartwright, C Ling, YC
Citation
A. Jeevanandam et al., A novel palladium-catalyzed tandem dimerization and cyclization of acetylenic ketones. A convenient method for 3,3 '-bifurans, TETRAHEDR L, 40(26), 1999, pp. 4841-4844
Citations number
17
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON LETTERS
ISSN journal
00404039 → ACNP
Volume
40
Issue
26
Year of publication
1999
Pages
4841 - 4844
Database
ISI
SICI code
0040-4039(19990625)40:26<4841:ANPTDA>2.0.ZU;2-1
Abstract
Alkynones undergo rearrangement in the presence of Pd(PPh3)(4) and triethyl amine in tetrahydrofuran at room temperature to give 2,5-substituted furans , but under similar conditions PdCl2(PPh3)(2) by a tandem dimerization and cyclization, gives 3,3'-bifurans predominantly. (C) 1999 Elsevier Science L td. All rights reserved.