Synthesis of an Alkyne-Bridged Decamethylhafnocene Dimer and Related Alkyne-Substituted Monomers
Organometallics1996Vol. 15(22), pp. 4667–4668
Citations Over TimeTop 21% of 1996 papers
Abstract
Reaction of Hf*Cl2 (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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