HIGHLY ASYMMETRIC INDUCTION IN THE DIELS-ALDER REACTION OF 3-ALKOXYCARBONYL-SUBSTITUTED CHROMONE

Authors
OHKATA K KUBO T MIYAMOTO K ONO M YAMAMOTO J AKIBA KY
Citation
K. Ohkata et al., HIGHLY ASYMMETRIC INDUCTION IN THE DIELS-ALDER REACTION OF 3-ALKOXYCARBONYL-SUBSTITUTED CHROMONE, Heterocycles, 38(7), 1994, pp. 1483-1486
Citations number
7
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Heterocycles → ACNP
ISSN journal
03855414
Volume
38
Issue
7
Year of publication
1994
Pages
1483 - 1486
Database
ISI
SICI code
0385-5414(1994)38:7<1483:HAIITD>2.0.ZU;2-M
Abstract
The asymmetric Diels-Alder reactions of 3-alkoxycarbonyl-substituted c hromones (1c) with 2,3-dimethyl- and 2-methyl-1,3-butadienes in the pr esence of ZnCl2 at ambient temperature afforded the adducts (3c and 4b ) with high diastereofacial selectivity (>98%) in high yield.