Research on Chemical Intermediates

, Volume 21, Issue 6, pp 653–664 | Cite as

Conformational control in previtamin d photochemistry by heterogeneous reaction media

  • I. P. Terenetskaya
  • O. G. Dmitrenko
  • A. M. Eremenko
Article

Abstract

The possibility of conformational control realization in the reaction of previtamin D photosynthesis in vitro was examined. The sharp changes in the kinetics of provitamin D photoisomerization in some heterogeneous media were attributed to the removal of previtamin D conformational equilibrium by the restriction of its intramolecular rotation. It was found that the quantitative evaluation of the reaction medium effect on the specific previtamin D reaction channels requires consideration of the irreversible photoconversions.

Keywords

Relative Optical Density Kinetic Dependency Conformational Equilibrium Prolonged Irradiation Planar Conformer 

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Copyright information

© Springer 1995

Authors and Affiliations

  • I. P. Terenetskaya
    • 1
  • O. G. Dmitrenko
    • 1
  • A. M. Eremenko
    • 1
  1. 1.Institute of PhysicsUkrainian Academy of SciencesKiev-28Ukraine

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