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Conformational analysis of carbonyl derivatives of 1,3,3-trimethyl-2-methyleneindoline

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The preferred conformations of a number of carbonyl derivatives of 1,3,3-trimethyl-2-methyleneindoline were determined by PMR spectroscopy with the use of lanthanide shift reagents. It was established that the COR group is trans-oriented relative to the heteroring nitrogen atom, and the aldehyde exists primarily in the s-trans conformation, and the ketones exist primarily in the s-cis conformation. The conclusions regarding the structures of the preferred conformations of the investigated compounds were confirmed by data from the IR spectra.

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Authors and Affiliations

  1. Institute of Organic Chemistry, Academy of Sciences of the Ukrainian SSR, 252660, Kiev

    V. N. Zemlyanoi, I. L. Mushkalo, M. Yu. Kornilov, I. E. Boldeskul & M. L. Dekhtyar'

  2. T. G. Shevchenko Kiev State University, 252601, Kiev

    V. N. Zemlyanoi, I. L. Mushkalo, M. Yu. Kornilov, I. E. Boldeskul & M. L. Dekhtyar'

Authors
  1. V. N. Zemlyanoi
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  2. I. L. Mushkalo
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  3. M. Yu. Kornilov
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  4. I. E. Boldeskul
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  5. M. L. Dekhtyar'
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 361–364, March, 1983.

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Zemlyanoi, V.N., Mushkalo, I.L., Kornilov, M.Y. et al. Conformational analysis of carbonyl derivatives of 1,3,3-trimethyl-2-methyleneindoline. Chem Heterocycl Compd 19, 293–296 (1983). https://doi.org/10.1007/BF00513263

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  • DOI: https://doi.org/10.1007/BF00513263

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