Chemistry of Natural Compounds

, Volume 5, Issue 1, pp 29–31 | Cite as

Optical rotatory dispersion of steroids with various chromophores

  • Yu. N. Levchuk


1. On the basis of a comparative study of the ORD of steroids containing as chromophores the groups C=O, >C=C−C=C< and C=C, it has been established that in all the compounds the ORD is anomalous in the UV region of the spectrum.

2. In steroid compounds the magnitude of the optical rotation increases with an increase in the geometrical dimensions of the chromophoric group.

3. The ORD curves of steroid compounds with various π-electronic chromophores are highly specific and can be used to study their structure and for identification purposes.


Dioxane Ergosterol Bathochromic Shift Cotton Effect Chromophoric Group 


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  1. 1.
    C. Djerassi, Optical Rotatory Dispersion [Russian translation], Moscow, 1962.Google Scholar
  2. 2.
    H. J. C. Jacobs and E. Havinga, Rec. trav. chim.,84, 932, 1965.CrossRefGoogle Scholar

Copyright information

© Consultants Bureau 1971

Authors and Affiliations

  • Yu. N. Levchuk
    • 1
  1. 1.Institute of Biochemistry, AS UkrSSRKiev

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