HETEROBIMETALLIC INDENYL COMPLEXES - SYNTHESIS AND STRUCTURE OF CIS-CR(CO)3(INDENYL)]RHL2 (L2 = NORBORNADIENE, (CO)2)

被引：54

作者：

BONIFACI, C

CECCON, A

GAMBARO, A

GANIS, P

SANTI, S

VALLE, G

VENZO, A

机构：

[1] UNIV PADUA, DIPARTIMENTO CHIM FIS, VIA LOREDAN 2, I-35131 PADUA, ITALY

[2] CNR, CTR STUDIO BIOPOLIMERI, I-35131 PADUA, ITALY

[3] CNR, CTR STUDIO STATI MOLEC RADICAL & ECCITATI, I-35131 PADUA, ITALY

来源：

ORGANOMETALLICS | 1993年 / 12卷 / 10期

关键词：

D O I：

10.1021/om00034a069

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reaction of the potassium salt of [(eta6-indenyl)Cr(CO)3] at -30-degrees-C in THF with [Rh(Cl)NBD]2(NBD = norbornadiene) yields cis-[Cr(CO)3(indenyl)] Rh-(NBD), 2. Bubbling CO through a CH2Cl2 solution of 2 produces cis-[Cr(CO)3(indenyl)]Rh(CO)2, 3 in quantitative yield. X-ray analyses show for indenyl-Rh-(NBD), 1: a = 17.506(8) angstrom, b = 11.427(6) angstrom, c = 5.979(4) angstrom, beta = 90.8(2)degrees, space group P2(1)/n. For 2: a = 11.098(6) angstrom, b 17.684(8) angstrom, c = 8.253(5) angstrom, beta = 99.7(2)degrees, space group P2(1)/a. For 3: a = 16.558(8) angstrom, b 12.483(8) angstrom, c = 6.629(4) angstrom, space group P2(1)2(1)2(1). Both 2 and 3 have a doubly-bent indenyl moiety and show strongly distorted coordination modes toward the indenyl ligand of both metals. The driving force leading to such highly distorted structures probably arises mainly from a metal-metal interaction.

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页码：4211 / 4214

页数：4

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