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@article{1762518,
author = {Kucakova, K. and Dolensky, B.},
article_location = {New York},
article_number = {MAR},
doi = {http://dx.doi.org/10.1016/j.steroids.2019.108555},
keywords = {Cholesterol; Cyclodextrin; Complex; Structure; NMR},
language = {eng},
issn = {0039-128X},
journal = {Steroids},
title = {Molecular structure study of a heptakis(2,3,6-tri-O-methyl)-beta-cyclodextrin complex of cholesterol},
url = {https://www.sciencedirect.com/science/article/pii/S0039128X19302454?via%3Dihub},
volume = {155},
year = {2020}
}
TY - JOUR
ID - 1762518
AU - Kucakova, K. - Dolensky, B.
PY - 2020
TI - Molecular structure study of a heptakis(2,3,6-tri-O-methyl)-beta-cyclodextrin complex of cholesterol
JF - Steroids
VL - 155
IS - MAR
SP - 108555
EP - 108555
PB - ELSEVIER SCIENCE INC
SN - 0039128X
KW - Cholesterol
KW - Cyclodextrin
KW - Complex
KW - Structure
KW - NMR
UR - https://www.sciencedirect.com/science/article/pii/S0039128X19302454?via%3Dihub
N2 - Heptakis(2,3,6-tri-O-methyl)-beta-cyclodextrin (2) and cholesterol form a water-soluble complex 3. We performed several NMR studies, particularly H-1, C-13, 2D NOESY and DOSY, at various temperatures on 500 and 950 MHz instruments. We discovered that the complex 3 is unstable above 57 degrees C in heavy water, while it is kinetically stable enough to be studied by NMR in detail at 1 degrees C. We demonstrated the formation of a face-to-face 2:1 complex with a binding constant of approximately 2.2 x 10(6) M-2.
ER -
KUCAKOVA, K. a B. DOLENSKY. Molecular structure study of a heptakis(2,3,6-tri-O-methyl)-beta-cyclodextrin complex of cholesterol. \textit{Steroids}. New York: ELSEVIER SCIENCE INC, 2020, roč.~155, MAR, s.~108555-108563. ISSN~0039-128X. Dostupné z: https://dx.doi.org/10.1016/j.steroids.2019.108555.
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