Synthesis of an Alkyne-Bridged Decamethylhafnocene Dimer and Related Alkyne-Substituted Monomers

Synthesis of an Alkyne-Bridged Decamethylhafnocene Dimer and Related Alkyne-Substituted Monomers

Reaction of Hf*Cl 2 ( 1; Hf* = decamethylhafnocene), with excess sodium acetylide at room temperature results in the synthesis of Hf*(CCH) 2 ( 2) . The identical reaction in refluxing THF results in the dimeric product [(μ2-C2)(Hf*CCH)2] (4). Subsequent reaction of 2 with lithium diisopropylamide (L...

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Veröffentlicht in:Organometallics 1996-10, Vol.15 (22), p.4667-4668
Hauptverfasser: Southard, Glen E, Curtis, M. David, Kampf, Jeffrey W
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container_title Organometallics
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creator Southard, Glen E
Curtis, M. David
Kampf, Jeffrey W
description Reaction of Hf*Cl 2 ( 1; Hf* = decamethylhafnocene), with excess sodium acetylide at room temperature results in the synthesis of Hf*(CCH) 2 ( 2) . The identical reaction in refluxing THF results in the dimeric product [(μ2-C2)(Hf*CCH)2] (4). Subsequent reaction of 2 with lithium diisopropylamide (LDA) in the presence of trimethyltin chloride resulted in the trimetallic Hf*(CCSnMe3)2 (3).
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title Synthesis of an Alkyne-Bridged Decamethylhafnocene Dimer and Related Alkyne-Substituted Monomers
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