SYNTHESIS OF THE 1,2,3,4-TETRAMETHYLFULVENE-BRIDGED DIIRON COMPLEX (ETA-1 ETA-5-CH2C5ME4)FE2(CO)6 AND ITS REACTIONS WITH PHOSPHINES

被引：23

作者：

HASHIMOTO, H ^{[1
]}

TOBITA, H ^{[1
]}

OGINO, H ^{[1
]}

机构：

[1] TOHOKU UNIV,FAC SCI,DEPT CHEM,AOBA KU,SENDAI,MIYAGI 980,JAPAN

来源：

ORGANOMETALLICS | 1993年 / 12卷 / 06期

关键词：

D O I：

10.1021/om00030a030

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

1,2,3,4-Tetramethylfulvene was prepared by hydride abstraction from pentamethylcyclopentadienyl anion and was converted to the fulvene-bridged dinuclear complex (eta1:eta5-CH2C5Me4)Fe2(CO)6 by treatment with Fe2(CO)9. Reaction of this complex with phosphine L (L = PMe3, PPh3, PH2PCH2PPh2, or PPh2H) caused replacement of a CO ligand with L to provide (eta1:eta5-CH2C5Me4)Fe2(CO)5L in high yield. The structure of (eta1:eta5-CH2C5Me4)Fe2(CO)5(Ph2PCH2PPh2) was determined by X-ray crystal structure analysis: C4OH36Fe2O5P2, monoclinic, P2(1)/a; a = 20.334(5) angstrom, b = 10.978(2) angstrom, c = 18.525(5) angstrom, beta = 116.17(2)-degrees, V = 3711.2(4) angstrom3, Z = 4. When Ph2P(CH2)2PPh2 Was used as L, each of the phosphorus atoms made a bond to a diiron unit to give the tetranuclear complex [(eta1:eta5-CH2C5Me4)Fe2(CO)5]2(mu-L). The PPh2H complex (eta1:eta5-CH2CrMe4)Fe2(CO)5(PPh2H) rearranged in hot benzene to a new phosphido-bridged dinuclear complex, (C5Me5)Fe2(CO)4(mu-CO)(mu-PPh2).

引用

页码：2182 / 2187

页数：6

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