Abstract
Treatment of the phenyl substituted cyclopropenyl complex [Ru]–CC(Ph)CHPh (1a, [Ru] = (η5-C5H5)(PPh3)2Ru) with Me3SiN3 in THF in the presence of NH4PF6 at room temperature afforded the nitrile complex {[Ru]NCCH(Ph)CH2Ph}PF65a. Similar reaction of the cyano substituted cyclopropenyl complex [Ru]–CC(Ph)CHCN 1b with Me3SiN3 gave the tetrazolate complex [Ru]–N4CCH(Ph)CH2CN 6. Proposals are made concerning the mechanism for the synthesis of these compounds. The reaction of [Ru]–CC(Ph)CHCHCH21c with Me3SiN3 takes a different route and gives the nitrile complex [Ru]–CN 7 and the five-membered-ring organic compound PhCCN3HCH2CH311. The structures of complexes 5a and 6 have been determined by single crystal X-ray diffraction analysis.
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