Fine tuning of the [2+2] vs [4+2] selectivity of 1,1-disubstituted dienes in cycloaddition reactions

Authors
Zoller, T Breuilles, P Klein, S Uguen, D De Cian, A Fischer, J
Citation
T. Zoller et al., Fine tuning of the [2+2] vs [4+2] selectivity of 1,1-disubstituted dienes in cycloaddition reactions, TETRAHEDR L, 40(51), 1999, pp. 9015-9018
Citations number
17
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON LETTERS
ISSN journal
00404039 → ACNP
Volume
40
Issue
51
Year of publication
1999
Pages
9015 - 9018
Database
ISI
SICI code
0040-4039(199912)40:51<9015:FTOT[V>2.0.ZU;2-4
Abstract
beta-arylsulfonyl vinylketones have been shown to react, both inter acid in tramolecularly, with 1,1-disubstituted dienes to afford depending on the us ed -i.e. thermal or Lewis-acid catalysed-conditions, either [4+2] or [2+2] cycloadducts, respectively. (C) 1999 Elsevier Science Ltd. All rights reser ved.