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Issue 21, 2001
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Reactions of ruthenium cyclopropenyl complexes with trimethylsilyl azide

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Abstract

Treatment of the phenyl substituted cyclopropenyl complex [Ru]–[upper bond 1 start]C[double bond, length as m-dash]C(Ph)C[upper bond 1 end]HPh (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]–[upper bond 1 start]C[double bond, length as m-dash]C(Ph)C[upper bond 1 end]HCN 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]–[upper bond 1 start]C[double bond, length as m-dash]C(Ph)C[upper bond 1 end]HCH[double bond, length as m-dash]CH21c with Me3SiN3 takes a different route and gives the nitrile complex [Ru]–CN 7 and the five-membered-ring organic compound PhC[double bond, length as m-dash]CN3HCH2CH311. The structures of complexes 5a and 6 have been determined by single crystal X-ray diffraction analysis.

Graphical abstract: Reactions of ruthenium cyclopropenyl complexes with trimethylsilyl azide

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Supplementary files

Article information


Submitted
29 May 2001
Accepted
24 Aug 2001
First published
11 Oct 2001

J. Chem. Soc., Dalton Trans., 2001, 3154-3159
Article type
Paper

Reactions of ruthenium cyclopropenyl complexes with trimethylsilyl azide

K. Chang, Y. Lin, Y. Liu and Y. Wang, J. Chem. Soc., Dalton Trans., 2001, 3154
DOI: 10.1039/B104635G

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