Zwitterionic 18-electron d0-anionic metallocene complexes

被引：28

作者：

Cadierno, V

Zablocka, M

Donnadieu, B

Igau, A

Majoral, JP

机构：

[1] CNRS, Chim Coordinat Lab, F-31077 Toulouse 4, France

[2] Polish Acad Sci, Ctr Mol & Macromol Studies, PL-90363 Lodz, Poland

来源：

ORGANOMETALLICS | 1999年 / 18卷 / 10期

关键词：

D O I：

10.1021/om980985h

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Formal [3+2] cycloaddition reactions between the alpha-phosphino zirconaindene 1 and various cumulenes [CO2, CS2, Cy-N=C=N-Cy (Cy = cyclohexyl), R-N=C=S (R = Me, Ph), R-N= C=O (R = Ph, Bu-t)] afford stable zwitterionic monomeric five-coordinated anionic bis(cyclopentadienyl) zirconium complexes 2-6. Single-crystal X-ray structures of two of these compounds (3, 6b) are reported. A related biszwitterionic zirconocene complex 9 is prepared through the reaction of carbon disulfide with the tricyclic alpha-phospholane zirconaindan 7; in this case cycloaddition reactions take place on the two carbon sulfur double bonds of CS2.

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页码：1882 / 1886

页数：5

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