ISOCYANIDE-BRIDGED AND HETEROALLENE-BRIDGED METAL-COMPLEXES .10. PROTONATION AND ALKYLATION OF (MU-ACYLISOCYANIDE)DIIRON AND (MU-IMINOACYLISOCYANIDE)DIIRON COMPLEXES

被引：8

作者：

SCHRODER, A ^{[1
]}

SPERBER, W ^{[1
]}

FUCHS, J ^{[1
]}

FEHLHAMMER, WP ^{[1
]}

机构：

[1] FREE UNIV BERLIN,INST ANORGAN & ANALYT CHEM,FABECKSTR 34-36,W-1000 BERLIN 33,GERMANY

来源：

CHEMISCHE BERICHTE-RECUEIL | 1992年 / 125卷 / 05期

关键词：

IRON COMPLEXES; DINUCLEAR; BRIDGING FUNCTIONAL ISOCYANIDES; N-PROTONATION (ALKYLATION); MU-AMINOCARBYNE; MU-2-AZAALLYL VS MU-2-AZAALLENIUM LIGAND;

D O I：

10.1002/cber.19921250519

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Protonation of the acyl isocyanide-bridged diiron complexes cis-[Fe2Cp2(CO)3(mu-CNCOR)] [R = Ph (1a); C6H4NO2-(4) (1b)] with HBF4 or HPF6 occurs at the isocyano nitrogen to give the cationic mu-aminocarbyne complexes 2a and 2b, respectively. In contrast, the mu-iminoacyl isocyanide complex 3 is both protonated and alkylated at the imino nitrogen. According to an X-ray structure analysis of 4a, the resulting ligand systems in cis-[Fe2Cp2(CO)3{mu-C-N-C(Ph)-N(Ph)R}]+BF4+ [R = H (4a); Et (4b)] are best described as hybrids of mu-2-azaallylidene- and mu-2-azaallenylidene-type resonance structures.

引用

页码：1101 / 1105

页数：5

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