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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-...
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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...
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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...
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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...
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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...
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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...
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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...
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Article
An investigation of the venom of the spiderSegestria florentina as a blocker of the catalytic activities of esterases
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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
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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.
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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.
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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.
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Article
Synthesis of the phermone of Ephestia kuehniella
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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...
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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...
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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...
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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.
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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...
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Article
Synthesis of tridec-4-en-1-yl acetate — The sex pheromone of Keiferia lycopersicella
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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.