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Article
A glucoemodin from the roots ofRheum palmatum
The glucoemodin isolated from the roots of roots ofRheum palmatum L. var. tanguticum Maxim is 1,8-dihydroxy-3-methyl-6-glucosyloxyanthraquinone.
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Article
Spectrophotometric determination of the molecular weights of coumarins and furocoumarins
A spectrophotometric method for the determination of the molecular weights of coumarins and furocoumarins with an accuracy of ±4.5% has been proposed.
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Article
Spectrophotometric determination of furocoumarins in the preparation “furalen”
A spectrophotometric method for the simultaneous determination of psoralen and bergapten in the preparation “furalen” has been developed.
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Article
Use of the paramagnetic shift agent Eu(DPM)3 for studying the structure and stereochemistry of conferol and conferone
On the basis of a study of the NMR spectra of conferol with additions of Eu(DPM)3 the molecular structure proposed for it previously has been confirmed, and two variants of the relative configuration have been gi...
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Article
A study of the steroechemistry of terpenoid coumarins of the iresane series by PMR spectroscopy with additions of Eu(DPM)3
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Article
Dynamics of the accumulation of luteolin 7-glucoside in the leaves ofSalix acutifolia
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Article
Allyldeboration of organoboron compounds in aqueous media catalyzed by “ligandless” palladium