Add time:08/18/2019         Source:sciencedirect.com

Tricarbonyl(η5-4-triethylsilyl-1-methylpentadienyl)iron(+1) hexafluorophosphate was prepared by the protonation of γ-endo tricarbonyl (η4-5-triethylsilyl-3,5-hexadien-2-ol)iron with hexafluorophosphoric acid. The cation reacts with H2O, CH3OH, NaBH3CN, PPh3, sodium dimethylmalonate and dimethyl cuprate in a regiospecific fashion by nucleophilic attack at C1. The regioselectivity for nucleophilic attack appears to be predominantly the result of steric control.

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