Comparison of structures between platinum and palladium complexes of a tetrasilyldisilene

The first η 2 -disilene–palladium complexes were synthesized using two different reactions; the reactions of bis(phosphine)dichloropalladiums with a 1,2-dilithiotetrakis(trialkylsilyl)disilane, which was prepared by the reaction of a stable tetrakis(trialkylsilyl)disilene with lithium (Method A) and...

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Published inCanadian journal of chemistry Vol. 81; no. 11; pp. 1241 - 1245
Main Authors Hashimoto, Hisako, Sekiguchi, Yumiko, Sekiguchi, Yohei, Iwamoto, Takeaki, Kabuto, Chizuko, Kira, Mistuo
Format Journal Article
LanguageEnglish
Published Ottawa, Canada NRC Research Press 01.11.2003
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Summary:The first η 2 -disilene–palladium complexes were synthesized using two different reactions; the reactions of bis(phosphine)dichloropalladiums with a 1,2-dilithiotetrakis(trialkylsilyl)disilane, which was prepared by the reaction of a stable tetrakis(trialkylsilyl)disilene with lithium (Method A) and the direct reactions of the bis(phosphine)dichloropalladiums with the stable disilene (Method B). Comparison of X-ray structural parameters of the disilene–palladium complexes with those of the corresponding platinum complex has indicated that the palladium complex is a metallacycle but its π-complex character is stronger than that of the platinum complex.Key words: disilene complex, palladium, platinum, X-ray structure, metallacycle, π-complex.
ISSN:0008-4042
1480-3291
DOI:10.1139/v03-108