Reactions of a tungsten-germylyne complex with α,β-unsaturated ketones: Complete cleavage of the W/Ge bond and formation of two types of η3-germoxyallyl tungsten complexes

Tetsuya Fukuda; Hisako Hashimoto; Hiromi Tobita

doi:10.1021/ja4109853

Reactions of a tungsten-germylyne complex with α,β-unsaturated ketones: Complete cleavage of the W/Ge bond and formation of two types of η³-germoxyallyl tungsten complexes

Tetsuya Fukuda, Hisako Hashimoto, Hiromi Tobita

SCI - Chemistry

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Germylyne complex Cp(CO)₂W/Ge{C(SiMe₃)₃} (1) reacted with two molecules of RC(O)CH=CH₂ (R = Me, Et) to give η³-allyl complexes, in which an oxagermacyclopentene framework was bound to an η³-allyl ligand through an oxygen atom. In the reaction with α-Me-substituted MeC(O)C(Me)=CH₂, 1 reacted with only one molecule of the substrate to give another type of η³- allyl complex, in which a five-membered oxagermacyclopentenyl ring was coordinated to the W center in an η³ fashion. Both reactions resulted in unprecedented complete cleavage of a W/Ge triple bond.

Original language	English
Pages (from-to)	80-83
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	136
Issue number	1
DOIs	https://doi.org/10.1021/ja4109853
Publication status	Published - 2014 Jan 8

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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Reactions of a tungsten-germylyne complex with α,β-unsaturated ketones : Complete cleavage of the W/Ge bond and formation of two types of η³-germoxyallyl tungsten complexes. / Fukuda, Tetsuya; Hashimoto, Hisako; Tobita, Hiromi.

In: Journal of the American Chemical Society, Vol. 136, No. 1, 08.01.2014, p. 80-83.

Research output: Contribution to journal › Article › peer-review

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abstract = "Germylyne complex Cp(CO)2W/Ge{C(SiMe3)3} (1) reacted with two molecules of RC(O)CH=CH2 (R = Me, Et) to give η3-allyl complexes, in which an oxagermacyclopentene framework was bound to an η3-allyl ligand through an oxygen atom. In the reaction with α-Me-substituted MeC(O)C(Me)=CH2, 1 reacted with only one molecule of the substrate to give another type of η3- allyl complex, in which a five-membered oxagermacyclopentenyl ring was coordinated to the W center in an η3 fashion. Both reactions resulted in unprecedented complete cleavage of a W/Ge triple bond.",

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AB - Germylyne complex Cp(CO)2W/Ge{C(SiMe3)3} (1) reacted with two molecules of RC(O)CH=CH2 (R = Me, Et) to give η3-allyl complexes, in which an oxagermacyclopentene framework was bound to an η3-allyl ligand through an oxygen atom. In the reaction with α-Me-substituted MeC(O)C(Me)=CH2, 1 reacted with only one molecule of the substrate to give another type of η3- allyl complex, in which a five-membered oxagermacyclopentenyl ring was coordinated to the W center in an η3 fashion. Both reactions resulted in unprecedented complete cleavage of a W/Ge triple bond.

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