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2-Acylnorbornadiene-rhodium π-complexes: Comparison of electron-donating properties of carbonyl group oxygen atoms

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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The increased electron-donating reactivity of the 0 atom in CpRh(η4-C7H7-2-COR) complexes, where Cp=η5-C5H5, η5-C5H4Me, and η5-C5Me5 and R=H, Me, has been characterized by IR spectroscopic investigation and by the formation of hydrogen bonding with 4-fluorophenol.

  2. 2.

    The basicity of the 0 atom in the formyl group in organometallic aldehydes increases in the series: (CO)3MnC5H4CHO < C5H5FeC5H4CHO < C5H5RhC7H7-2-CHO; in (Cp)Rh(η4-C7H7-2-CHO) norbornadiene π-complexes the basicity of the formyl 0 atom increases as the donating ability of the Cp ligand increases, in the series Cp=C5H5 < C5Me < C5Me5.

  3. 3.

    The CpRhC7H7-2 group acts as a substituent with a strongly positive inductive effect as well as with a resonance effect of the same sign.

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Authors and Affiliations

  1. A. N. Nesmeyanov Institute of Heteroorganic Chemistry, Academy of Sciences of the USSR, Moscow

    L. E. Vinogradova, I. T. Chizevskii, N. V. Rastova, N. E. Kolobova & L. A. Leites

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  1. L. E. Vinogradova
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  2. I. T. Chizevskii
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  3. N. V. Rastova
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  4. N. E. Kolobova
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  5. L. A. Leites
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 890–893, April, 1987.

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Vinogradova, L.E., Chizevskii, I.T., Rastova, N.V. et al. 2-Acylnorbornadiene-rhodium π-complexes: Comparison of electron-donating properties of carbonyl group oxygen atoms. Russ Chem Bull 36, 817–820 (1987). https://doi.org/10.1007/BF00962329

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  • DOI: https://doi.org/10.1007/BF00962329

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