INTRAMOLECULAR TRAPPING OF ESTERS AND AMIDES BY 1-LITHIO-1-BROMOCYCLOPROPANES

Citation
Ms. Baird et al., INTRAMOLECULAR TRAPPING OF ESTERS AND AMIDES BY 1-LITHIO-1-BROMOCYCLOPROPANES, Tetrahedron letters, 39(49), 1998, pp. 9081-9084
Citations number
10
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
ISSN journal
00404039
Volume
39
Issue
49
Year of publication
1998
Pages
9081 - 9084
Database
ISI
SICI code
0040-4039(1998)39:49<9081:ITOEAA>2.0.ZU;2-Q
Abstract
Reaction of 2-acyloxymethyl or 2-acylaminomethyl-1, 1-dibromocycloprap anes with methyllithium at -90 degrees C leads to selective bromine-li thium exchange and intramolecular cyclisation to give a 1-bromo-3-oxa- or 1-broma-3-oxa-bicyclo[3. 1.0]hexan-2-ol. (C) 1998 Elsevier Science Ltd. All rights reserved.