UNPRECEDENTED EXAMPLES OF IMIDO-LIGAND-ASSISTED ALKENYL MIGRATION AND DISSOCIATIVE INTERMETALLIC PHOSPHINE MIGRATION

被引：17

作者：

CHI, Y

HSU, HF

LIU, LK

PENG, SM

LEE, GH

机构：

[1] ACAD SINICA, INST CHEM, TAIPEI 11529, TAIWAN

[2] NATL TAIWAN UNIV, DEPT CHEM, TAIPEI 10764, TAIWAN

来源：

ORGANOMETALLICS | 1992年 / 11卷 / 05期

关键词：

D O I：

10.1021/om00041a003

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Treatment of heterometallic imido clusters LWRu2(CO)8(mu-H)(mu-3-NPh) (L = Cp (1a); L = Cp* (1b)) with hexafluoro-2-butyne in toluene at 100-degrees-C produced cluster derivatives LWRu2(CO)7(mu-3-NPh)(CF3CCHCF3) (L = Cp (2a); L = Cp* (2b)). In contrast to complex 2b, thermolysis of 2a in refluxing toluene under CO yielded two additional isomers 3a and 4a via concurrent alkenyl and imido ligand migration. The crystal structures of 2b and 3a and subsequent reactivity and mechanistic studies of 2a and 4a with a phosphine donor reveal a rare example of dissociative, intermetallic phosphine movement of the framework of metal clusters.

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页码：1763 / 1766

页数：4

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