Unusual activation of 1,1-diphenyl-2-propyn-1-ol mediated by the Os(η5-C5H5) unit

被引：33

作者：

Crochet, P ^{[1
]}

Esteruelas, MA

Gutierrez-Puebla, E

机构：

[1] Univ Zaragoza, Inst Ciencia Mat Aragon, Dept Quim Inorgan, CSIC, E-50009 Zaragoza, Spain

[2] CSIC, Inst Ciencia Mat, E-28049 Madrid, Spain

来源：

ORGANOMETALLICS | 1998年 / 17卷 / 15期

关键词：

D O I：

10.1021/om980284k

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Os(eta(5)-C5H5)Cl((PPr3)-Pr-i)(2) (2) reacts with thallium acetate in CH2Cl2 to give Os(eta(5)-C5H5){kappa(1)-OC(O)CH3}((PPr3)-Pr-i)(2) (3). Reaction of the latter with 1,1-diphenyl-2-propyn-1-ol affords the pi-alkyne derivative Os(eta(5)-C5H5){kappa(1)-OC(O)CH3}{eta(2)-HC drop CC(OH)Ph-2}(P-i- Pr-3) (4). In solution, complex 4 is unstable above -40 degrees C and rapidly changes into the 2-{(Z)-3-acetoxy-1-hydroxy-1-phenyl-2-propenyl}aryl complex Os(eta(5)-C5H5){C6H4[C(OH)(Ph)CH drop CHOC(C(O)CH3]}((PPr3)-Pr-i) (5) whose structure was determined by X-ray diffraction. analysis.

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页码：3141 / 3142

页数：2

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