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Some peculiar cases of 7-telesubstitution by anionic phosphorus nucleophiles on 2-halotropones

Authors
Journal
Tetrahedron Letters
0040-4039
Publisher
Elsevier
Publication Date
Volume
23
Issue
40
Identifiers
DOI: 10.1016/s0040-4039(00)88363-x

Abstract

Abstract Both 2-chloro- and 2-fluoro[3,5- 2H 3]tropone were found to react with lithium diphenylphosphide in tetrahydrofuran to give 2-diphenylphosphino[4,6- 2H 3]tropone in what constitutes the first example of telesubstitution by an anionic nucleophile in a non-protic solvent on tropones carrying nucleofugal groups; lithium diphenylphosphide oxide showed the same behaviour.

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