A SIMPLE ONE-POT PREPARATION OF (Z)-CYCLOPROPANES FROM GAMMA,DELTA-KETOALKENES USING KOH DMSO INTRAMOLECULAR ALKYLATION CONDITIONS/

Authors
DECHOUX L EBEL M JUNG L STAMBACH JF
Citation
L. Dechoux et al., A SIMPLE ONE-POT PREPARATION OF (Z)-CYCLOPROPANES FROM GAMMA,DELTA-KETOALKENES USING KOH DMSO INTRAMOLECULAR ALKYLATION CONDITIONS/, Tetrahedron letters, 34(46), 1993, pp. 7405-7408
Citations number
25
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
34
Issue
46
Year of publication
1993
Pages
7405 - 7408
Database
ISI
SICI code
0040-4039(1993)34:46<7405:ASOPO(>2.0.ZU;2-0
Abstract
Sequential treatment of gamma,delta-ketoalkenes with aqueous NBS in DM SO and KOH as solid provides (Z)-cyclopropanes in good overall yields with a diastereoselective excess >99%.