Comparison of structures between platinum and palladium complexes of a tetrasilyldisilene
The first η 2 -disilenepalladium 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 in | Canadian journal of chemistry Vol. 81; no. 11; pp. 1241 - 1245 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | English |
Published |
Ottawa, Canada
NRC Research Press
01.11.2003
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Abstract | The first η
2
-disilenepalladium 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 disilenepalladium 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. |
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AbstractList | The first η
2
-disilenepalladium 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 disilenepalladium 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. |
Abstract_FL | On a réalisé la première synthèse de complexes η
2
-disilènepalladium en faisant appel à deux réactions différentes: la méthode A implique la réaction de dérivés bis(phosphine)dichloropalladium avec un 1,2-dilithiutétrakis(trialkylsilyl)disilane préparé par réaction d'un tétrakis(trialkylsilyl)disilène stable avec du lithium alors que la méthode B implique la réaction directe de dérivés bis(phosphine)dichloropalladium avec le disilène stable. Une comparaison des paramètres structuraux obtenus par diffraction des rayons X pour les complexes disilènepalladium avec ceux du complexe correspondant du platine indique que le complexe du palladium est un métallacycle dont le caractère de complexe π est plus fort que celui du complexe du platine.Mots clés : complexe disilène, palladium, platine, structure par diffraction des rayons X, métallacycle, complexe π.[Traduit par la Rédaction] |
Author | Kira, Mistuo Iwamoto, Takeaki Sekiguchi, Yumiko Kabuto, Chizuko Hashimoto, Hisako Sekiguchi, Yohei |
Author_xml | – sequence: 1 givenname: Hisako surname: Hashimoto fullname: Hashimoto, Hisako – sequence: 2 givenname: Yumiko surname: Sekiguchi fullname: Sekiguchi, Yumiko – sequence: 3 givenname: Yohei surname: Sekiguchi fullname: Sekiguchi, Yohei – sequence: 4 givenname: Takeaki surname: Iwamoto fullname: Iwamoto, Takeaki – sequence: 5 givenname: Chizuko surname: Kabuto fullname: Kabuto, Chizuko – sequence: 6 givenname: Mistuo surname: Kira fullname: Kira, Mistuo |
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Title | Comparison of structures between platinum and palladium complexes of a tetrasilyldisilene |
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