METAL SIDE-CHAIN INTERACTION IN TRICARBONYLCHROMIUM COMPLEXES OF PHENYLACETYLENES STUDIED BY C-13 NMR AND IR SPECTROSCOPY

被引：6

作者：

SZEWCZYK, J ^{[1
]}

GRYFFKELLER, A ^{[1
]}

机构：

[1] WARSAW POLYTECH INST,DEPT CHEM,NOAKOWSKIEGO 3,PL-00662 WARSAW,POLAND

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1992年 / 424卷 / 01期

关键词：

D O I：

10.1016/0022-328X(92)85005-H

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

C-13 NMR spectra of several eta-6-arenetricarbonylchromium complexes of phenylacetylene and phenyltrimethylsilylacetylene have been interpreted. The complexing chemical shifts (CCS) observed for alpha and beta acetylenic carbons suggest the existence of a direct interaction between the metal atom and pi-electron system of the ethynyl substituent. The overall complexing effect is of the electron-withdrawing type which was confirmed by delta(Si-29), 2J(CH) and IR data. Some observations concerning synthesis of the investigated complexes have been also reported.

引用

页码：41 / 47

页数：7

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