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Synthesis of 3-amino triterpenes involving the NaBH3CN/MoCl5 reduction of the oxime precursors

Albina A. Shalina 1
Albina A. Shalina
, 
Leysan R. Idrisova 1
Leysan R. Idrisova
, 
Andrey Vladimirovich Nemtarev 1, 2
Andrey Vladimirovich Nemtarev
, 
Timur Ildarovich Abdullin 1
Timur Ildarovich Abdullin
, 
1 Kazan (Volga Region) Federal University, 420008 Kazan, Russian Federation
2 A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of the Russian Academy of Sciences, 420088 Kazan, Russian Federation
10.71267/mencom.7744
Published 2025-07-17
Communication , Volume 35, Issue 5, 521-523
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Shalina A. A. et al. Synthesis of 3-amino triterpenes involving the NaBH3CN/MoCl5 reduction of the oxime precursors // Mendeleev Communications. 2025. Vol. 35. No. 5. pp. 521-523.
GOST all authors (up to 50) Copy
Shalina A. A., Idrisova L. R., Nemtarev A. V., Abdullin T. I., Mironov V. F. Synthesis of 3-amino triterpenes involving the NaBH3CN/MoCl5 reduction of the oxime precursors // Mendeleev Communications. 2025. Vol. 35. No. 5. pp. 521-523.
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TY - JOUR
DO - 10.71267/mencom.7744
UR - https://mendcomm.colab.ws/publications/10.71267/mencom.7744
TI - Synthesis of 3-amino triterpenes involving the NaBH3CN/MoCl5 reduction of the oxime precursors
T2 - Mendeleev Communications
AU - Shalina, Albina A.
AU - Idrisova, Leysan R.
AU - Nemtarev, Andrey Vladimirovich
AU - Abdullin, Timur Ildarovich
AU - Mironov, Vladimir Fedorovich
PY - 2025
DA - 2025/07/17
PB - Mendeleev Communications
SP - 521-523
IS - 5
VL - 35
ER -
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@article{2025_Shalina,
author = {Albina A. Shalina and Leysan R. Idrisova and Andrey Vladimirovich Nemtarev and Timur Ildarovich Abdullin and Vladimir Fedorovich Mironov},
title = {Synthesis of 3-amino triterpenes involving the NaBH3CN/MoCl5 reduction of the oxime precursors},
journal = {Mendeleev Communications},
year = {2025},
volume = {35},
publisher = {Mendeleev Communications},
month = {Jul},
url = {https://mendcomm.colab.ws/publications/10.71267/mencom.7744},
number = {5},
pages = {521--523},
doi = {10.71267/mencom.7744}
}
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Shalina, Albina A., et al. “Synthesis of 3-amino triterpenes involving the NaBH3CN/MoCl5 reduction of the oxime precursors.” Mendeleev Communications, vol. 35, no. 5, Jul. 2025, pp. 521-523. https://mendcomm.colab.ws/publications/10.71267/mencom.7744.

Keywords

allobetulin
amines.
betulin
lupane type
molybdenum(v) chloride
oximes
reduction reaction
sodium cyanoborohydride
triterpenes

Abstract

A new efficient method for the preparation of 3-amino derivatives of pentacyclic lupane and germanicane triterpenoids, valuable precursors for the rational design of physiologically active agents, is presented. The key step involves the reduction of triterpenoid 3-oximes with sodium cyanoborohydride in the presence of molybdenum(v) chloride.

Funders

Russian Science Foundation
20-73-10105