Digitogenin-Gitogenin Isomorphous Substitution in the Mixed Crystal from Digitalis Lanata EHRH


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Abstract

A crystalline compound is isolated from Digitalis lanata Ehrh. and its molecular and crystal structures are studied by single crystal X-ray diffraction. The X-ray diffraction results show that the crystal is mixed and consists of a crystalline hydrate of isomorphically substituted digitogenin and gitogenin molecules in the 38:62 ratio. The data on the mole ratio are confirmed by high-performance liquid chromatography.

About the authors

K. M. Turdybekov

Karaganda State University

Author for correspondence.
Email: xray-phyto@yandex.kz
Kazakhstan, Karaganda

B. I. Tuleuov

International Research and Production Holding “PhytoChemistry”

Email: xray-phyto@yandex.kz
Kazakhstan, Karaganda

G. Khabdolda

Karaganda State Medical University

Email: xray-phyto@yandex.kz
Kazakhstan, Karaganda

D. M. Turdybekov

Karaganda State Technical University

Email: xray-phyto@yandex.kz
Kazakhstan, Karaganda

B. S. Temirgaziev

International Research and Production Holding “PhytoChemistry”

Email: xray-phyto@yandex.kz
Kazakhstan, Karaganda

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