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Pentafluorophenyl derivatives of tricovalent aluminium

✍ Scribed by R.D. Chambers; J. Cunningham

Book ID
104223336
Publisher
Elsevier Science
Year
1965
Tongue
French
Weight
106 KB
Volume
6
Category
Article
ISSN
0040-4039

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✦ Synopsis

We report the preparation of the first fluorocarbon derivatives of tricovalent aluminium, pentafluorophenylaluminium dibromide, and biscpentafluorophenyl)aluminium bromide. Complexes in which aluminium is coordinatively saturated, and containing perfluoroalkyl,' perfluorovinyl,2 or, more recently, pentafluorophenyl groups 3 e.g. LiA1(CJF7)212, Mer.Al (CF=CF ) 23

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The fluorine chemical shifts and spin-spin coupling constants of 65 pentafluorophenyl derivatives with widely varying organic substituents were examined. Useful correlations of the three meta coupling constants with the chemical shifts of thepara fluorine were found. It is suggested that these relat