Zobrazeno 1 - 10 of 37 pro vyhledávání: '"A. V. Lekar'"'
2
'One-Pot' Technique for Transformation of the Aporphine Alkaloid Boldine into Phenanthrene Seco-Boldine with Subcritical Water
Autor: Vladimir I. Minkin, S. S. Khizrieva, N. I. Borisenko, S. N. Borisenko, E. V. Maksimenko, A. V. Lekar
Publikováno v: Russian Journal of Physical Chemistry B. 14:1153-1157
A “one-pot” method for the production of phenanthrene seco-boldine from the aporphine alkaloid boldine in subcritical water was developed and studied. The efficiency of the method for the preparation of seco-boldine in subcritical water was studi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::111582153632fb27ef7043869ed3a6e8
https://doi.org/10.1134/s199079312007012x
Zobrazit plný text záznamu
3
One-Pot Technique for Production of Oleanolic Acid from the Roots of Aralia Mandshurica with Subcritical Water
Autor: N. I. Borisenko, E. V. Maksimenko, A. V. Lekar, S. S. Khizrieva, Vladimir I. Minkin, S. N. Borisenko, E. V. Vetrova
Publikováno v: Russian Journal of Physical Chemistry B. 13:1273-1278
—This work presents the development of a one-pot technique for producing oleanolic acid (OA) from the roots of Aralia mandshurica Rupr., using subcritical water (SBW). For the first time, SBW, which serves as a reactant and a solvent, has been used
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa32b80c070f3c5f79ff399cf3957fff
https://doi.org/10.1134/s1990793119080049
Zobrazit plný text záznamu
4
One-Pot Synthesis of Glycyrrhetinic Acid from Licorice Root in Subcritical Water
Autor: E. V. Vetrova, E. V. Maksimenko, N. I. Borisenko, Vladimir I. Minkin, S. N. Borisenko, A. V. Lekar, S. S. Khizrieva
Publikováno v: Russian Journal of Physical Chemistry B. 13:1150-1154
—Glycyrrhetinic acid (GLA) was synthesized in a good yield from the roots of licorice Glycyrrhiza glabra L. by the one-pot method in subcritical water (SCW), which served as a reagent and solvent. This method for the synthesis of GLA makes it possi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b406299d28becb6dd6304a1a0771a763
https://doi.org/10.1134/s1990793119070170
Zobrazit plný text záznamu
5
The Development of a One-Step Method for Production of the Antioxidant Quercetin from Flower Buds of the Sophora Japonica (Sophora japonica L.) in a Subcritical Water Medium
Autor: N. I. Borisenko, E. V. Vetrova, E. V. Maksimenko, S. N. Borisenko, A. V. Lekar, S. S. Khizrieva, Vladimir I. Minkin
Publikováno v: Russian Journal of Physical Chemistry B. 12:1269-1275
The possibility of production of a natural antioxidant, quercetin, from flower buds of the Sophora japonica (Sophora japonica L.) using subcritical water both as a reagent and a solvent was investigated. The proposed approach allows one to avoid the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::12bba584aad0ac14849e9e30b16f37c7
https://doi.org/10.1134/s1990793118080092
Zobrazit plný text záznamu
6
Synthesis of Phenanthrene Alkaloids from Herbal Aporphine Alkaloids in Subcritical Water Using Synthesis of Seco-Glaucine as an Example
Autor: N. I. Borisenko, Sergey V. Kurbatov, Vladimir I. Minkin, A. V. Lekar, S. N. Borisenko, S. S. Khizrieva, E. V. Vetrova
Publikováno v: Russian Journal of Physical Chemistry B. 11:1255-1259
Transformation of the model aporphine alkaloid glaucine into the phenanthrene alkaloid secoglaucine (seco-GL) in subcritical water at 100–250°C without catalytic additives is studied. The maximum yield of seco-glaucine is achieved at 250°C. It is
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f5df79ca4024668ff8cc75141681e94e
https://doi.org/10.1134/s1990793117080140
Zobrazit plný text záznamu
7
Mass Spectrometric Analysis of Supramolecular Complexes of Glycyrrhizic Acid and Simvastatin
Autor: A. V. Lekar, N. I. Borisenko, E. V. Vetrova
Publikováno v: Chemistry of Natural Compounds. 53:304-309
Molecular complexes of glycyrrhizic acid (GA) and simvastatin (SV) were synthesized and studied for the first time using electrospray-ionization mass spectrometry (ESI-MS). Model complexes were synthesized in pure MeOH and its 25% aqueous solution. C
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a2915511bdae08d9aa5a399f0dbd17d1
https://doi.org/10.1007/s10600-017-1975-6
Zobrazit plný text záznamu
9
Hydrolysis of aralosides from Manchurian aralia to oleanolic acid and its derivatives in subcritical water
Autor: A. V. Lekar, E. V. Maksimenko, S. N. Borisenko, O. V. Filonova, N. I. Borisenko, E. V. Vetrova, Vladimir I. Minkin
Publikováno v: Russian Journal of Physical Chemistry B. 10:1085-1091
A method for preparing oleanolic acid (OA) and its derivatives by the hydrolysis of aralosides from Manchurian aralia in subcritical water has been developed. It has been used for the treatment of the Saparal pharmaceutical preparation at 120–240°
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc4667be6111dc62023262bc28287651
https://doi.org/10.1134/s1990793116070071
Zobrazit plný text záznamu
10
A mass spectrometry study of the self-association of glycyrrhetinic acid molecules
Autor: E. V. Vetrova, O. V. Filonova, S. N. Borisenko, A. V. Lekar, N. I. Borisenko
Publikováno v: Russian Journal of Bioorganic Chemistry. 42:716-720
The formation of self-associates of glycyrrhetinic acid (GLA), an aglycone of glycyrrhizic acid (GA), has been studied by electrospray ionization mass spectrometry. It has been shown for the first time that, analogously to triterpene saponins having
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fefbc7b93e3393b0106867faed822945
https://doi.org/10.1134/s1068162016070037
Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání

Omezení vyhledávání
Plný text Recenzováno Digitální knihovna AV ČR
Zdroje