A. A. Shalina, L. R. Idrisova, A. V. Nemtarev, T. I. Abdullin, V. F. Mironov, “Synthesis of 3-amino triterpenes involving the NaBH3CN/MoCl5 reduction of the oxime precursors”, Mendeleev Commun., 35:5 (2025), 521

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Mendeleev Communications, 2025, Volume 35, Issue 5, Pages 521–523
DOI: https://doi.org/10.71267/mencom.7744 (Mi mendc7278)

Communications

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

A. A. Shalina^a, L. R. Idrisova^a, A. V. Nemtarev^ab, T. I. Abdullin^a, V. F. Mironov^b

^a Kazan (Volga Region) Federal University, 420008 Kazan, Russian Federation
^b A. E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of the Russian Academy of Sciences, 420088 Kazan, Russian Federation

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DOI: https://doi.org/10.71267/mencom.7744

Graphic abstract: Synthesis of 3-amino triterpenes involving the NaBH<sub>3</sub>CN/MoCl<sub>5</sub> reduction of the oxime precursors

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.

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

Funding agency	Grant number
Ministry of Science and Higher Education of the Russian Federation	FZSM-2023-0018 PRIORITY-2030
Russian Science Foundation	20-73-10105

Received: 07.02.2025
Accepted: 31.03.2025

Published: 17.07.2025

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Document Type: Article

Language: English

*Supplementary materials:*
		Supplementary_data_1.pdf	(3.8 Mb)

Citation: A. A. Shalina, L. R. Idrisova, A. V. Nemtarev, T. I. Abdullin, V. F. Mironov, “Synthesis of 3-amino triterpenes involving the NaBH₃CN/MoCl₅ reduction of the oxime precursors”, Mendeleev Commun., 35:5 (2025), 521–523

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