Zobrazeno 1 - 10
of 21
pro vyhledávání: '"N. F. Samoshina"'
Publikováno v:
Chemistry of Natural Compounds. 47:741-748
All available literature data on the chemical synthesis and isolation from natural sources of 3β-hydroxy-20-oxo-30-norlupan-28-oic (platanic) acid and its derivatives and their biological activity were reviewed. A one-step synthesis of platanic acid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88ec8673bb2054ff3e828125ad98ec70
https://doi.org/10.1007/s10600-011-0048-5
https://doi.org/10.1007/s10600-011-0048-5
Publikováno v:
Chemistry of Natural Compounds. 39:575-582
A preparative synthesis of glucosides of the lupane-type triterpene acids betulinic, dihydrobetulinic, betulonic, dihydrobetulonic, and 3,20-dioxo-30-norlupan-28-oic was proposed. Glycosylation of 3-hydroxyacids by α-acetobromoglucose (ABG) with Ag2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10390e80e2667b35125ebc3cd63c4cf6
https://doi.org/10.1023/b:conc.0000018113.79735.34
https://doi.org/10.1023/b:conc.0000018113.79735.34
Publikováno v:
Chemistry of Natural Compounds. 29:196-199
A procedure is proposed for determining ginsenosides with the aid of a Milikhrom liquid chromatograph. A comparative and quantitative analysis has been made of the neutral ginsenosides of the total glycoside fractions obtained from the roots of wild
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e764744894954bcdbc5fca1d7b4474a0
https://doi.org/10.1007/bf00630114
https://doi.org/10.1007/bf00630114
Autor:
M. M. Anisimov, Lyubov N. Atopkina, G. B. Elyakov, N. F. Samoshina, N. Yu. Kim, G. V. Malinovskaya, G. N. Likhatskaya, V. V. Makhan'kov, N. I. Uvarova
Publikováno v:
ChemInform. 31
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90f6b502000f693794992b9c6b4796b0
https://doi.org/10.1002/chin.200030170
https://doi.org/10.1002/chin.200030170
Autor:
A. I. Kalinovskii, L. N. Atopkina, G. V. Malinovskaya, V. A. Denisenko, V. V. Makhan'kov, Vladimir V. Isakov, N. F. Samoshina, N. I. Uvarova
Publikováno v:
Chemistry of Natural Compounds. 26:46-48
The possibility has been shown of using the Milikhrom domestic microcolumn liquid chromatograph for the quantitative determination of glycosides of the dammarane series in commercial forms of ginseng and synthetic mixtures. To calculate the amounts o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80d722e206d97383240f99b46c6b4ce5
https://doi.org/10.1007/bf00605199
https://doi.org/10.1007/bf00605199
Publikováno v:
Antibiotiki i khimioterapiia = Antibiotics and chemoterapy [sic]. 39(9-10)
Immunomodulating activity of triterpene glycosides of the holostan series (holoturins A and B, holoturin A2 and holotoxin A1) and triterpene glycosides of the dammaran series (3-O-monoglycoside,12-O-monoglycoside and 20-O-monoglycoside of protopanaxa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::8f86948eb3b717327501c7f43906ac9c
https://pubmed.ncbi.nlm.nih.gov/7695444
https://pubmed.ncbi.nlm.nih.gov/7695444
Publikováno v:
Antibiotiki i khimioterapiia = Antibiotics and chemoterapy [sic]. 39(7)
Antitumor and cytotoxic activity of monoglucosides such as 3-0-panaxadiol (1), 12-0-panaxadiol (2) and 20-0-panaxadiol (3) and 3-0-betulafolientriol (4), 12-0-betulafolientriol (5) and 20-0-betulafolientriol (6) was studied. It was found that in conc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::2223f81d36a60ab8fe64184984b31060
https://pubmed.ncbi.nlm.nih.gov/7840705
https://pubmed.ncbi.nlm.nih.gov/7840705
Publikováno v:
Chemistry of Natural Compounds. 19:299-304
The glycosylation of 20(S),24(R)-epoxydammarane-3,12β,25-triols under the conditions of the previous formation of an ion pair with a Lewis acid and subsequent treatment with cholesteryl (α-D-glucose orthoacetate) leads to the selective formation wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8c8a7b90a9eb9e7692b10c214ed0471
https://doi.org/10.1007/bf00579764
https://doi.org/10.1007/bf00579764
Publikováno v:
Chemistry of Natural Compounds. 22:415-420
The synthesis of glucosides from the 12-O-acetyl derivatives of betulafolienetriol oxide and of 3-epiocotillol has been carried out under the conditions of the Koenigs-Knorr reaction and of Helferich's modification. It has been established that glyco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ad6eb40e93238ac07b63b9f44ac9995
https://doi.org/10.1007/bf00579814
https://doi.org/10.1007/bf00579814
Publikováno v:
Chemistry of Natural Compounds. 24:190-193
Glucosides have been synthesized from dammar-24-ene-3α,12β,17α,20(S)-tetraol (betulafolienetetraol), isolated from the leaves ofBetula pendula. Condensation with α-acetobromoglucose in the presence of silver oxide and silicate has given acetylate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9393386c0f012be821dbe755320cb0a3
https://doi.org/10.1007/bf00596748
https://doi.org/10.1007/bf00596748