BR-INDUCED CYCLIZATION OF GAMMA,DELTA-UNSATURATED KETONES - A NEW APPROACH TO BROMOPYRANE DERIVATIVES()

Authors
ANTONIOLETTI R MAGNANTI S SCETTRI A
Citation
R. Antonioletti et al., BR-INDUCED CYCLIZATION OF GAMMA,DELTA-UNSATURATED KETONES - A NEW APPROACH TO BROMOPYRANE DERIVATIVES(), Tetrahedron letters, 35(16), 1994, pp. 2619-2620
Citations number
12
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron letters → ACNP
ISSN journal
00404039
Volume
35
Issue
16
Year of publication
1994
Pages
2619 - 2620
Database
ISI
SICI code
0040-4039(1994)35:16<2619:BCOGK->2.0.ZU;2-9
Abstract
3,5-dibromo-3,4-dihydro-2,2-dimethyl-(2H)-pyrans 2, are obtained throu gh a simple and new procedure involving a bromoenol-etherification of gamma,delta-unsaturated ketones 1; the key step is the formation of mo no-bromopyran intermediate A.