Facile nucleophilic substitution of 3-tert-butyl-dimethylsilyloxyalk-2-enylphosphonium salts

Citation
Ph. Lee et al., Facile nucleophilic substitution of 3-tert-butyl-dimethylsilyloxyalk-2-enylphosphonium salts, TETRAHEDR L, 40(38), 1999, pp. 6975-6978
Citations number
20
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON LETTERS
ISSN journal
00404039 → ACNP
Volume
40
Issue
38
Year of publication
1999
Pages
6975 - 6978
Database
ISI
SICI code
0040-4039(19990917)40:38<6975:FNSO3>2.0.ZU;2-M
Abstract
Phosphoniosilylation of alpha,beta-enones with TBSOTf and triphenylphosphin e at 0 degrees C affords 3-tert-butyldimethylsilyloxyalk-2-enylphosphonium salts, which undergo facile nucleophilic substitution with various nucleoph iles to give 3-substituted silyl enol ethers in good yields. (C) 1999 Elsev ier Science Ltd. All rights reserved.