KINETICS OF NUCLEOPHILIC-ADDITION OF TERTIARY PHOSPHINES TO DICARBONYLNITROSYL(CYCLOBUTADIENE)IRON CATION AND TRICARBONYL(CYCLOHEPTATRIENE)MANGANESE CATION

被引：21

作者：

BIRNEY, DM ^{[1
]}

CRANE, AM ^{[1
]}

SWEIGART, DA ^{[1
]}

机构：

[1] SWARTHMORE COLL,DEPT CHEM,SWARTHMORE,PA 19081

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1978年 / 152卷 / 02期

关键词：

D O I：

10.1016/S0022-328X(00)91920-X

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Tertiary phosphines rapidly add to the ring in dicarbonylnitrosyl(cyclobutadiene)iron cation and tricarbonyl(cycloheptatriene)manganese cation to form phosphonium adducts. Kinetic studies of this reaction support a mechanism consisting of direct bimolecular attack on the ring. Reactivity towards nucleophilic attack by phosphines follows the order: [(C7H8)Mn(CO)3]+ > [(C4H4)Fe(CO)2NO]+ > [(C6H7)Fe(CO)3]+ > [(C6H6OMe)Fe(CO)3]+ ≳ [(C7H7)M(CO)3]+ (M = Cr, Mo, W) > [(C6H6)Mn(CO)3]+. Coordinated cycloheptatriene is about 104 times more electrophilic towards phosphine nucleophiles than is coordinated benzene. © 1978.

引用

页码：187 / 192

页数：6

共 20 条

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