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Synlett 1992; 1992(9): 681-690
DOI: 10.1055/s-1992-21457
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Transformation of Dialkynylelementa Species to Exoalkylidene-1-elementacyclobut-2-enyl Ligands: A Novel Route to Unsaturated Four-Membered Heterocycles

C. M. Lukehart*
  • *Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, USA
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Publication Date:
08 March 2002 (online)

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Reaction of dialkynylelementa species with cationic platinum hydride compounds provides a new route to complexes containing exoalkylidene-1-elementacyclobutenyl ligands. The successful formation of such heterocycles has been extended to five main group elements including carbon. The results of preliminary mechanistic studies are consistent with a unified proposed mechanism for the formation of these heterocyclic systems. A brief description of the fortuitous nature of this discovery is presented. 1. A Serendipitous Discovery 2. General Scope of the Synthetic Method 3. Mechanistic Studies 4. Conclusions

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