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Fluorine - an element of surprise in phosphaalkene chemistry

Authors
Journal
Journal of Fluorine Chemistry
0022-1139
Publisher
Elsevier
Publication Date
Volume
54
Identifiers
DOI: 10.1016/s0022-1139(00)83747-1

Abstract

Abstract Up to 1985 only the two fluorophosphaalkenes F 3CPCF 2 and HPCF 2 were known in the literature [1]. Since then we were able to prepare by several new routes a variety of derivatives A to G in gram quantities and to study their properties. This report will describle some specific properties of fluoro and trifluoromethylphosphaalkenes, recently discovered in our laboratory, e.g. • 1,3-fluorine shift: F 3CPC(CF 3) 2 F 3CP(F)C(CF 3)CF 2, • formation of unusual ylids by 1,2-fluorine transfer (reaction of A, D or E with PMe 3), • application of compounds of type G as equivalent of PC-NR 2, • use of compounds D or F as (η 1-μ 2)4e donor in binuclear complexes [(CO) 5Cr] 2L .

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