Our interest in the chemistry of the nitrosyl complexes has been mainly devoted to the use of monodentate phosphite as coligand, and in this context, the syntheses of pentacoordinate {Co(NO)}8 complexes1 of the type [CoXL3(NO)]+ and [CoL4(NO)]2+ have recently been reported.2 Similar investigations carried out on iron(II) halides by using gaseous NO allowed us to obtain new pentacoordinate [FeL4(NO)]+ (L = phosphite) derivatives, which are described in the present report. Furthermore, whereas some iron nitrosyl compounds also containing CO have been described, 3 no example of iso-cyanide-phosphine derivatives known to us has yetbeen reported. Therefore, in this paper we also present the reactivity of the [FeL4(NO)]+ species with isocyanides, leading to the synthesis of the first nitrosyl isocyanides-phosphite mixedligand complexes. © 1984, American Chemical Society. All rights reserved.
Preparation and properties of new pentacoordinate iron nitrosyl complexes
ALBERTIN, Gabriele;BORDIGNON, Emilio
1984-01-01
Abstract
Our interest in the chemistry of the nitrosyl complexes has been mainly devoted to the use of monodentate phosphite as coligand, and in this context, the syntheses of pentacoordinate {Co(NO)}8 complexes1 of the type [CoXL3(NO)]+ and [CoL4(NO)]2+ have recently been reported.2 Similar investigations carried out on iron(II) halides by using gaseous NO allowed us to obtain new pentacoordinate [FeL4(NO)]+ (L = phosphite) derivatives, which are described in the present report. Furthermore, whereas some iron nitrosyl compounds also containing CO have been described, 3 no example of iso-cyanide-phosphine derivatives known to us has yetbeen reported. Therefore, in this paper we also present the reactivity of the [FeL4(NO)]+ species with isocyanides, leading to the synthesis of the first nitrosyl isocyanides-phosphite mixedligand complexes. © 1984, American Chemical Society. All rights reserved.
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