The Nature of the Preferred Chain-carrying Metallacarbene Intermediate in Metathesis Reactions Involving Alk-1-enes

Article abstract of DOI:10.1039/c39800000834

The minor products from the cross-metathesis of norbornadiene (NBD) with hex-1-ene and of cyclopentene (CP) with octa-1,7-diene (1,7-OD), respectively, show that the complexed alkylidenes, RCH= (where denotes the metal site with the ligands attached), are much preferred to the complexed methylene, CH2=, as chain carriers formed by the reactions of the terminal olefins; but CH2=, when formed, is highly reactive towards the latter, with the strongly electrophilic methylene ligand selectively adding to the terminal olefins at the C-1 position.

Full text of DOI:10.1039/c39800000834

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