ALKENYL AND ETHYL COMPLEXES OF TITANOCENE - MOLECULAR-STRUCTURE OF (CP2TI(CME=CHME))2MU-O

被引：18

作者：

HERRMANN, GS

ALT, HG

THEWALT, U

机构：

[1] UNIV BAYREUTH,ANORGAN CHEM LAB,UNIV STR 30,W-8580 BAYREUTH,GERMANY

[2] UNIV ULM,SEKT RONTGEN & ELEKTR BEUGUNG,W-7900 ULM,GERMANY

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1990年 / 393卷 / 01期

关键词：

D O I：

10.1016/0022-328X(90)87200-W

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The acetylene complexes Cp2Ti(PMe3)(C2H2) (1) and Cp2Ti(C2Me2) (2) and the ethylene complex Cp2Ti(C2H4) (3) react with alcohols ROH (R = Me, Et, Ph) to give the η1-alkenyl complexes Cp2Ti(CR′=CHR′)(OR) (R′ = H, Me) and the ethyl complexes Cp2Ti(Et)(OR). The reaction of 1-3 with water results in the formation of the oxo-bridged dimeric complexes [Cp2Ti(CR′=CHR′)]2μ-O and [Cp2Ti(Et)]2μ-O. The acids HX (X = Cl, CF3COO) react with 1 and 2 to give the monomeric η1-alkenyl compounds Cp2Ti(CR′=CHR′)(X). The trifluoroacetate derivatives are very unstable and react with water to yield the stable oxo-bridged complex [Cp2Ti(OOCCF3)]2μ-O. The crystal structure of [Cp2Ti(CMe=CHMe)]2μ-O is described. © 1990.

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页码：83 / 95

页数：13

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