CRYSTALLINE FORMS OF BETULIN: POLYMORPHISM OR PSEUDOPOLYMORPHISM?
T. N. Drebushchak
1, 2
,
A V Mikhailovskaya
1, 2
,
V A Drebushchak
2, 3
,
M A Mikhailenko
1
,
S A Myz
1
,
T. P. Shakhtshneider
1
,
S.A Kuznetsova
4
Publication type: Journal Article
Publication date: 2020-08-01
scimago Q4
wos Q4
SJR: 0.211
CiteScore: 1.9
Impact factor: 1.4
ISSN: 00224766, 15738779
Materials Chemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
By recrystallization with different solvents as well as decomposition of betulin ethanol solvate at room temperature a new crystalline form of the biologically active compound betulin, namely hemihydrate of betulin, is obtained. By single crystal X-ray diffraction data the crystal structure of hemihydrate of betulin is determined. By powder X-ray thermodiffraction and differential scanning calorimetry it is found that when hemihydrate of betulin is heated to melting, Н2О molecules are removed and solid-phase transformations occur, which are related to the formation of an intermediate crystalline form and an orthorhombic modification of betulin.
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Total citations:
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Citations from 2024:
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(33.33%)
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Drebushchak T. N. et al. CRYSTALLINE FORMS OF BETULIN: POLYMORPHISM OR PSEUDOPOLYMORPHISM? // Journal of Structural Chemistry. 2020. Vol. 61. No. 8. pp. 1260-1266.
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Drebushchak T. N., Mikhailovskaya A. V., Drebushchak V. A., Mikhailenko M. A., Myz S. A., Shakhtshneider T. P., Kuznetsova S. CRYSTALLINE FORMS OF BETULIN: POLYMORPHISM OR PSEUDOPOLYMORPHISM? // Journal of Structural Chemistry. 2020. Vol. 61. No. 8. pp. 1260-1266.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1134/s0022476620080119
UR - https://doi.org/10.1134/s0022476620080119
TI - CRYSTALLINE FORMS OF BETULIN: POLYMORPHISM OR PSEUDOPOLYMORPHISM?
T2 - Journal of Structural Chemistry
AU - Drebushchak, T. N.
AU - Mikhailovskaya, A V
AU - Drebushchak, V A
AU - Mikhailenko, M A
AU - Myz, S A
AU - Shakhtshneider, T. P.
AU - Kuznetsova, S.A
PY - 2020
DA - 2020/08/01
PB - Pleiades Publishing
SP - 1260-1266
IS - 8
VL - 61
SN - 0022-4766
SN - 1573-8779
ER -
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BibTex (up to 50 authors)
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@article{2020_Drebushchak,
author = {T. N. Drebushchak and A V Mikhailovskaya and V A Drebushchak and M A Mikhailenko and S A Myz and T. P. Shakhtshneider and S.A Kuznetsova},
title = {CRYSTALLINE FORMS OF BETULIN: POLYMORPHISM OR PSEUDOPOLYMORPHISM?},
journal = {Journal of Structural Chemistry},
year = {2020},
volume = {61},
publisher = {Pleiades Publishing},
month = {aug},
url = {https://doi.org/10.1134/s0022476620080119},
number = {8},
pages = {1260--1266},
doi = {10.1134/s0022476620080119}
}
Cite this
MLA
Copy
Drebushchak, T. N., et al. “CRYSTALLINE FORMS OF BETULIN: POLYMORPHISM OR PSEUDOPOLYMORPHISM?.” Journal of Structural Chemistry, vol. 61, no. 8, Aug. 2020, pp. 1260-1266. https://doi.org/10.1134/s0022476620080119.
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