Zobrazeno 1 - 10
of 11
pro vyhledávání: '"E V, Igosheva"'
Autor:
E. V. Igosheva, Victoria V. Grishko, V. F. Eremin, O. V. Savinova, I. A. Tolmacheva, E. I. Boreko
Publikováno v:
Medicinal Chemistry Research. 28:1648-1660
The effect of the synthetic modifications of the triterpenic A ring on the level of antiviral activity of triterpenic C3, C28 amides with a residue of racemic, (S), or (R)-enantiomeric 2-aminobutan-1-ol against herpes simplex viruses type I (HSV-I) a
Publikováno v:
Tetrahedron. 74:4489-4494
A novel synthetic protocol of ozonolytic cleavage of 18α-oleanane triterpenoid with the five-membered α,β-alkenenitrile moiety dissolved in dichloromethane to selectively synthesize a 1,3-secotriterpene derivative with 78% yield was developed. Spo
Publikováno v:
Chemistry of Natural Compounds. 54:305-309
The potential for cyanoethylation of ring A of triterpenoids and their A-seco derivatives prepared from allobetulone and methyl betulonate was investigated. Triterpenoids with a cyanoethyl moiety on C-1, C-2, and C-3 and derivatives with two cyanoeth
Autor:
V. F. Eremin, M. N. Gorbunova, G. F. Krainova, E. V. Igosheva, Natalia V. Galaiko, E. I. Boreko, Anastasiya V. Konysheva, I. A. Tolmacheva, Alexey V. Nazarov, Victoria V. Grishko
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3a29c3faa698fbd4290211e04645bfb
https://doi.org/10.1201/9781315207469-1
https://doi.org/10.1201/9781315207469-1
Publikováno v:
Chemistry of Natural Compounds. 49:1050-1058
Amide conjugates with four structural types of β-amino alcohols were synthesized from 2,3-seco-18αH-oleananoic and 2,3-seco-lupane C-3(C-28) mono- and dicarboxylic acids. Esters were prepared by reaction of C-3-hydroxy derivatives of A-seco-triterp
Autor:
Victoria V. Grishko, E. V. Igosheva, E. I. Boreko, Yu. B. Vikharev, I. A. Tolmacheva, O. V. Savinova, V. F. Eremin
Publikováno v:
Russian Journal of Bioorganic Chemistry. 39:186-193
Amides of four types were synthesized derived from 2,3-seco-18αH-oleanane and 2,3-secolupane mono- and dicarboxylic acids. The spectrum of diamide derivatives was expanded with C3-C3′ and C28-C28′ biscondensed amides with two A-secotriterpene ba
Autor:
O. V. Savinova, Yu. B. Vikharev, Victoria V. Grishko, E. I. Boreko, V. F. Eremin, E. V. Igosheva, I. A. Tolmacheva
Publikováno v:
Chemistry of Natural Compounds. 48:426-431
New A-seco-lupane C-3 amide conjugates were prepared by the reaction of 28-methoxy-28-oxo-1-cyano2,3-seco-lup-20(29)-en-3-oic acid chloride with primary amines and synthetic and natural amino acids. Ethyl-N-[28-methyl-28-oxo-1-cyano-2,3-seco-lup-20(2
Publikováno v:
Russian Journal of Bioorganic Chemistry. 36:377-382
Novel 2,3-seco-triterpenic amides were prepared by the interaction of the chloride of 1-cyano-19β,28-epoxy-18α-oleane-3-oic acid with primary amines and synthetic and biogenic amino acids. A cytotoxic triterpenic conjugate with a residue of the eth
Autor:
I A, Tolmacheva, E V, Igosheva, Iu B, Vikharev, V V, Grishko, O V, Savinova, E I, Boreko, V F, Eremin
Publikováno v:
Bioorganicheskaia khimiia. 39(2)
Four types of amide (C3; C28; C3-C28) conjugates based on 2,3-seco-18alphaH-oleanane and 2,3-secolupane mono- and dicarboxylic acids were synthesized. The range of diamide derivatives was supplemented with C3-C3' and C28-C28' dicondensed amides with
Publikováno v:
Bioorganicheskaia khimiia. 36(3)
Novel 2,3-seco-triterpenic amides were prepared by the interaction of the chloride of 2,3-seco-l-cyano-19beta,28-epoxy-18alpha-oleane-3-oic acid with primary amines and synthetic and biogenic amino acids. A cytotoxic triterpenic conjugate with a resi