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  1. No Access

    Article

    Synthesis and Antimicrobial Activity of Phthalide Derivatives of Cytisine, Anabasine, and Salsoline

    Aminophthalide derivatives of cytisine, anabasine, and salsoline were obtained in high yields via condensation of the alkaloids with o-formylbenzoic acid. Their structures were proven using 1H and 13C NMR spectro...

    O. A. Nurkenov, S. D. Fazylov, Zh. S. Nurmaganbetov… in Chemistry of Natural Compounds (2023)

  2. No Access

    Article

    Synthesis, Structure, and Properties of New Lupinine O-Acyl Derivatives

    Acylation of the alkaloid lupinine produced O-cinnamoyllupinine and O-lipoyllupinine. The structure of O-cinnamoyllupinine was established by an X-ray crystal structure analysis.

    O. A. Nurkenov, Zh. S. Nurmaganbetov, S. D. Fazylov… in Chemistry of Natural Compounds (2019)

  3. No Access

    Article

    Synthesis, Structure, and Antioxidant Activity of (4S,5S)-2-(1′-Bromo-2′-Phenylvinyl)-3,4-Dimethyl-5-Phenyl-1,3-Oxazolidine

    A. M. Gazaliev, O. A. Nurkenov, S. K. Kabieva… in Chemistry of Natural Compounds (2017)

  4. No Access

    Article

    Preparation and NMR Spectroscopic Studies of the Supramolecular Inclusion Complex of Anabasine and β-Cyclodextrin

    Complexation of the alkaloid anabasine by β-cyclodextrin was studied by NMR spectroscopy. The changes of chemical shifts of 1H and 13C nuclei of the substrate and receptor in an inclusion complex were determined....

    T. M. Seilkhanov, O. A. Nurkenov, A. Zh. Isaeva… in Chemistry of Natural Compounds (2016)

  5. No Access

    Article

    Synthesis and Molecular Structure of 2-(4-Pyridyl)-3,4-Dimethyl-5-Phenyl-1,3-Oxazolidine

    S. D. Fazylov, O. A. Nurkenov, A. E. Arinova… in Chemistry of Natural Compounds (2016)

  6. No Access

    Article

    Synthesis of Thiourea Derivatives of the Alkaloids Anabasine, Cytisine, and d-Pseudoephedrine. Crystal Structure of N-ethyl-N-Anabasinocarbothioamide

    Ethylthiourea derivatives of the alkaloids anabasine, cytisine, and d-pseudoephedrine were synthesized using ethylisothiocyanate. Their structures were proven using PMR spectroscopy. The molecular structure of N-...

    O. A. Nurkenov, Zh. B. Satpaeva, S. D. Fazylov… in Chemistry of Natural Compounds (2016)

  7. No Access

    Article

    Stereochemistry of Methoxylated Flavonoids from Artemisia semiarida

    K. M. Turdybekov, B. B. Rakhimova, A. S. Makhmutova… in Chemistry of Natural Compounds (2014)

  8. No Access

    Article

    Reaction of d-Pseudoephedrine and 4-Morpholinylbenzaldehyde

    S. D. Fazylov, A. E. Arinova, O. A. Nurkenov… in Chemistry of Natural Compounds (2013)

  9. No Access

    Article

    Preparation of 4-(N-cytisinyl)benzaldehyde

    O. A. Nurkenov, S. D. Fazylov, A. E. Arinova… in Chemistry of Natural Compounds (2012)

  10. No Access

    Article

    Synthesis of acetylated glycosyl-containing thiourea derivatives based on the alkaloids cytisine and anabasine and the molecular structure of N-cytisino-N′-(2,3,4,6-tetraO-acetyl-β-D-glucopyranosyl)thiocarbamide

    Glycosylthiourea derivatives were synthesized from the alkaloids cytisine and anabasine and 1-deoxy-2,3,4,6tetra-O-acetyl-β-D-glucopyranosylisothiocyanate. The structures of the synthesized compounds were prov...

    I. V. Kulakov, O. A. Nurkenov, A. E. Arinova… in Chemistry of Natural Compounds (2011)

  11. No Access

    Article

    Synthesis and intramolecular heterocyclization of n-allylthiocarbamide derivatives of the alkaloids cytisine and anabasine into 1,3-thiazoline derivatives and features of their molecular structures

    Allylthiourea derivatives were synthesized from the alkaloids cytisine and anabasine and allylisothiocyanate. 1,3-Thiazoline derivatives were synthesized from them via intramolecular heterocyclization using HC...

    I. V. Kulakov, O. A. Nurkenov, D. M. Turdybekov… in Chemistry of Natural Compounds (2010)

  12. No Access

    Article

    Synthesis of substituted anilides of the alkaloid cytisine and molecular structure of N-(2′,6′-dichloro-4′-nitrophenyl)-2-N-cytisinoacetamide

    Anilides of cytisinylacetic acid were synthesized by reaction of the alkaloid cytisine with 2-bromo-N-(2,6-dihalo-4-nitrophenyl)acetamides. The compositions and structures of the products were confirmed by IR and...

    I. V. Kulakov, D. M. Turdybekov, Z. M. Zhambekov… in Chemistry of Natural Compounds (2009)

  13. No Access

    Article

    Synthesis of thiourea derivatives of the alkaloid anabasine and crystal structure of N-(anabasino1-thiocarbonyl)furan-2-carboxamide

    A series of new N-acylsubstituted thioureas, the compositions and structures of which were determined by IR and PMR spectroscopy and mass spectrometry, were synthesized from the alkaloid anabasine. The crystal st...

    I. V. Kulakov, O. A. Nurkenov, D. M. Turdybekov… in Chemistry of Natural Compounds (2009)

  14. No Access

    Article

    Synthesis and crystal structure of cytisino-N-(2-hydroxyethyl)-thiocarbamide

    A thiourea derivative of the alkaloid cytisine was synthesized by reacting it with 1-propargyloxyethoxyethylisothiocyanate. It was shown that the synthesized acetal thiourea derivative underwent hydrolysis in ...

    I. V. Kulakov, O. A. Nurkenov, D. M. Turdybekov… in Chemistry of Natural Compounds (2009)

  15. No Access

    Article

    Synthesis and crystalline and molecular structures of the morpholinylamide of N(R)-l-ephedrinylacetic acid

    The synthesis of the morpholinylamide of N(R)-1-ephedrinylacetic acid has been achieved by the interaction of (5S,6R)-4,5-dimethyl-6-phenylmorpholin-2-one with morpholine, and its structure has been shown by I...

    K. M. Turdybekov, A. B. Shalbaeva, O. A. Nurkenov… in Chemistry of Natural Compounds (1999)

  16. No Access

    Article

    Crystal and molecular structure of 2e-diethylamino-3e,4e-dimethyl-5e-phenyl-2a-thio-1,3,2-oxazaphospholane

    The results of an x-ray structural investigation of 2e-diethylamino-3e,4e-dimethyl-5e-phenyl-2a-thio-1,3,2-oxazaphospholane are discussed. It has been shown that the conformation of the 5-membered ring is that...

    A. M. Gazaliev, M. Zh. Zhurinov, O. A. Nurkenov… in Chemistry of Natural Compounds (1990)

  17. No Access

    Article

    Molecular and crystal structure of 2-methoxy-3,4-dimethyl-5-phenyl-1,3,2-oxazaphospholidin-2-one

    K. N. Turdybekov, S. V. Lindeman, Yu. T. Struchkov… in Chemistry of Natural Compounds (1989)