Enhanced asymmetric induction in cycloadditions to bridgehead-chiral vinyldioxazaborocines

Citation
Cd. Davies et al., Enhanced asymmetric induction in cycloadditions to bridgehead-chiral vinyldioxazaborocines, TETRAHEDR L, 41(21), 2000, pp. 4229-4233
Citations number
10
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON LETTERS
ISSN journal
00404039 → ACNP
Volume
41
Issue
21
Year of publication
2000
Pages
4229 - 4233
Database
ISI
SICI code
0040-4039(20000529)41:21<4229:EAIICT>2.0.ZU;2-H
Abstract
Vinyl dioxazaborocines 5 with asymmetric centres on the nitrogen bridgehead substituent have been prepared and assayed in nitrile oxide and nitrone cy cloadditions, giving asymmetric inductions of up to 70 and 74% ee, respecti vely. (C) 2000 Elsevier Science Ltd. All rights reserved.