Skip to main content

83 Result(s)

within A. A. Abduvakhabov Remove this filter Chemistry/Food Science, general Remove this filter

previous disabled Page of 5
and

  1. No Access

    Article

    Synthesis of Optically Active Hydroxyesters Using Biocatalysts

    Optically active hydroxyesters were prepared using the fungusAspergillus nigerand the yeastSacharomyces cerevisiae.Substrate is converted highly specifically into optically active isomers with 95% purity. The R-...

    G. S. Shakirzyanova, V. S. Abdukakharov… in Chemistry of Natural Compounds (2001)

  2. No Access

    Article

    Synthesis of the Sex Pheromone of Lygus lineolaris (Heteroptera miridae)

    We propose a new synthesis of the sex pheromone ofLygus lineolaris (Heteroptera miridae)that uses a phase-transfer version of the Wittig-Horner reaction to produce a monoene synthon of the principal component of...

    G. S. Shakirzyanova, V. S. Abdukakharov… in Chemistry of Natural Compounds (2000)

  3. No Access

    Article

    Alkaloids ofAnabasis aphylla and their cholinergic activities

    A comparative study has been made of the anticholinesterase activities of the methiodides and hydrochlorides of anabasine, lupinine, anabasamine, and methyl aphyllinate, which have proved to be reversible inhi...

    Z. Tilyabaev, A. A. Abduvakhabov in Chemistry of Natural Compounds (1998)

  4. No Access

    Article

    Conformational analysis of dodec-3Z-enolide — A component of the aggregation pheromone ofCryptolestes pusillus

    A conformational analysis has been made of one of the components of the aggregation pheromone ofCryptolestes pusillus — a pest of grain stores. The 12 most probable states of dodec-3Z-enolide have been studied by...

    V. S. Abdukakharov, G. S. Shakirzyanova, M. G. Levkovich… in Chemistry of Natural Compounds (1997)

  5. No Access

    Article

    Synthesis and antienzyme activity of 2-OXO-2SR-4-methyl-1,3,2-dioxaphosphorinanes containing salsoline, salsolidine, cytisine, and decahydroquinoline residues

    New derivatives of 2-oxo-4-methyl-1,3,2-dioxaphosphorinane containing residues of salsoline, salsolidine, cytisine, and decahydroquinoline have been synthesized, and their antienzyme activities have been inves...

    D. N. Dalimov, L. K. Abdullaeva, B. N. Babaev… in Chemistry of Natural Compounds (1996)

  6. No Access

    Article

    Metastable-ion mass spectra of insect pheromones

    The laws of the fragmentation of the metastable molecular and key fragmentary ions of mono- and dienic alcohols, acetates, aldehydes, hydrocarbons, and epoxy compounds forming components of the pheromones of t...

    R. R. Razakov, G. A. Irgasheva, A. A. Abduvakhabov in Chemistry of Natural Compounds (1994)

  7. No Access

    Article

    Biochemical investigation of cholinesterases and carboxylesterases from the cotton bollwormHeliothis armigera

    The interaction of the esterases of the cotton bollworm Heliothis armigera with a series of OO-dialkyl S-propargyl phosphorothioates has been studied. In contrast to human and murine ACEs, the hydrophobic regi...

    A. M. Kulieva, D. N. Dalimov, G. M. Dorenskaya… in Chemistry of Natural Compounds (1994)

  8. No Access

    Article

    An investigation of the venom of the spiderSegestria florentina as a blocker of the catalytic activities of esterases

    Z. Tilyabaev, A. A. Sadykov, A. A. Abduvakhabov in Chemistry of Natural Compounds (1994)

  9. No Access

    Article

    Quantitative determination of the main component of the pheromone of the beet army worm moth as a function of the time of day influence of a brain extract on the induction of the pheromone

    V. S. Abdukakharov, U. A. Turakhanov, M. M. Kasymzhanova… in Chemistry of Natural Compounds (1994)

  10. No Access

    Article

    Mass-spectrometric fragmentation of phosphorylated anabasine derivatives

    The mass-spectrometric fragmentation of hexyl anabasinoisopropyl, and isoamyl anabasinobut-2-ynyl phenylphosphonates has been investigated. Schemes for the fragmentation of the substances are given.

    U. A. Abdullaev, B. N. Babaev, D. N. Dalimov… in Chemistry of Natural Compounds (1994)

  11. No Access

    Article

    Detection and synthesis of a synergist of the sex pheromone of the cotton bollworm

    The synergisic properties of docosa-5Z, 17Z-diene — one of the by-products of the synthesis of the synthetic cotton bollworm pheromone — have been revealed.

    I. K. Buchina, O. Kh. Kholbekov, A. A. Abduvakhabov in Chemistry of Natural Compounds (1994)

  12. No Access

    Article

    Relationship between the structure and cholinergic efficiency of various derivatives of the alkaloid anabasine

    Results on the study over the last 20 years of the relationship between the structure of derivatives of the alkaloid anabasine and their cholinotropic activity are generalized.

    Z. Tilyabaev, D. N. Dalimov, Kh. Kh. Kushiev… in Chemistry of Natural Compounds (1994)

  13. No Access

    Article

    Synthesis of the phermone of Ephestia kuehniella

    M. Kasymzhanova, V. S. Abdukakharov, A. A. Abduvakhabov in Chemistry of Natural Compounds (1992)

  14. No Access

    Article

    X-ray structural investigation of gossypol and its derivatives XXII. Structure of the H-clathrate of gossypol with dimethyl sulfoxide

    In crystals obtained from solutions in DMSO, gossypol molecules are again present in the aldehyde tautomeric form. These crystals are H-clathrates with the channel type of structure which has much in common wi...

    B. T. Ibragimov, S. A. Talipov, B. N. Dadabaev… in Chemistry of Natural Compounds (1992)

  15. No Access

    Article

    X-ray investigation of gossypol and its derivatives

    The first four homologues of the carboxylic acid series and first two homologues of the monohydric alcohol series with gossypol give equimolar H-clathrates with the channel-type structure that are isostructura...

    B. T. Ibragimov, S. A. Talipov, B. N. Dadabaev… in Chemistry of Natural Compounds (1992)

  16. No Access

    Article

    X-ray structural investigation of gossypol and its derivatives XX. Structure of the solvate of gossypol with pyridine

    The structure of the solvate of gossypol with pyridine has been determined by x-ray structural analysis. The crystalline solvate is a H-clathrate with the channel type of structure in which there are three pyr...

    B. T. Ibragimov, B. N. Dadabaev, S. A. Talipov… in Chemistry of Natural Compounds (1992)

  17. No Access

    Article

    A mass-spectrometric study of insect pheromones. II. Epoxy compounds

    The mass spectra of epoxy compounds have been studied and the positions of the epoxy rings and their configurations have been shown.

    G. A. Irgasheva, R. R. Razakov, B. G. Kovalev… in Chemistry of Natural Compounds (1992)

  18. No Access

    Article

    Insect pheromones and their analogues

    Dec-5Z-en-1-yl acetate and heneicos-6Z-en-11-one — pheromones of insects of the generaAgrotis andOrgyia, respectively — have been synthesized from a product of the functionally differentiated ozonolysis of cyclop...

    V. N. Odinokov, V. R. Akhmetova, Kh. D. Khasanov… in Chemistry of Natural Compounds (1991)

  19. No Access

    Article

    Synthesis of tridec-4-en-1-yl acetate — The sex pheromone of Keiferia lycopersicella

    L. M. Bikulova, G. G. Verba, A. A. Abduvakhabov in Chemistry of Natural Compounds (1991)

  20. No Access

    Article

    Insect pheromones and their analogues

    Pheromone components of insects of the generaHeliothis andMamestra have been synthesized with the use of functionally differentiated ozonolysis of cyclododecene.

    V. N. Odinokov, V. R. Akhmetova, Kh. D. Khasanov… in Chemistry of Natural Compounds (1991)

previous disabled Page of 5