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Issue 0, 1968
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Metallo-organic compounds containing metal–nitrogen bonds. Part V. Dialkylamidopyrrolyl- and dialkylamido-2,5-dimethyl-pyrrolyltitanium compounds

Abstract

Addition of pyrrole to Ti(NR2)4(R = Me, Et, Prn, or Bun) gave preferentially disubstitution: Ti(NR2)4+ 2C4H4NH→Ti(NC4H4)2(NR2)2+ 2R2NH. The bis(dialkylamidobispyrrolyltitanium compounds so formed were highly reactive and unstable, could be distilled in vacuo, and are believed to contain π-bonded pyrrolyl groups. Prolonged treatment with an excess of pyrrole led to replacement of all diethylamido-groups and the formation of a remarkable black ‘titanated polypyrrole’ product. With 2,5-dimethylpyrrole and Ti(NR2)4(R = Me or Et) the products obtained were Ti(NC4H2Me2)2(NMe2)2 and Ti(NC4H2Me2)(NEt2)3. No reaction occurred with Ti(NPr2n)4.

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Article type: Paper
DOI: 10.1039/J19680001967
Citation: J. Chem. Soc. A, 1968,0, 1967-1969
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    Metallo-organic compounds containing metal–nitrogen bonds. Part V. Dialkylamidopyrrolyl- and dialkylamido-2,5-dimethyl-pyrrolyltitanium compounds

    D. C. Bradley and K. J. Chivers, J. Chem. Soc. A, 1968, 0, 1967
    DOI: 10.1039/J19680001967

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