4,802 Result(s)

Article

Studies in the field of depsipeptides LI. Mass-spectrometric study of cyclotetradepsipeptides of regular structure

1. The mass-spectrometric behavior of various cyclotetradepsipeptides of regular structure has shown that the CO

V. N. Bochkarev, V. A. Puchkov, N. S. Vul'fson… in Chemistry of Natural Compounds (1965)

Article

The glycosides ofEleutherococcus senticoccus Max. I. Isolation and some properties of eleutherosides B and E

1. From the roots of prickly eleutherococcus (Eleutherococcus senticoccus Max.) we have isolated a physiological...

Yu. S. Ovodov, R. G. Ovodova, T. F. Solov'eva… in Chemistry of Natural Compounds (1965)

Article

The glycosides ofApocynum androsaemifolium L. II. The structure of apobioside

The roots of the plantApocynum androsaemifolium L. contain a new steroid diglycoside, apobioside, which has the structure cannogenin-(3)-β-D-cymaropyranoside-(4)-β-D-glucopyranoside.

R. Sh. Yamatova, N. K. Abubakirov in Chemistry of Natural Compounds (1965)

Article

Reduction of some D-homosteroids with an aromatic a ring by alkali metals under the conditions of the birch reaction. I

In the Birch reduction of steroid compounds with a phenylbutadiene grou**, i.e., the ketal of 3-methoxy-Δ^{1, 3, 5(10), 8, 14}-D-homoestrapentaen-17a-one (III), the corresponding ketone (IIIa), and 3-methoxy-Δ^{1, 3...}

V. M. Rzheznikov, S. N. Ananchenko, I. V. Torgov in Chemistry of Natural Compounds (1965)

Article

The structure of the alkaloid renardine. III. Structure of dihydrodesoxyotonecine

1. N-methyl-N-(β-carboxyethyl)-γ-amino-α-methylbutyric acid is a product of oxidative degradation of dihydrodeso...

N. I. Koretskaya, A. V. Danilova, L. M. Utkin in Chemistry of Natural Compounds (1965)

Article

The flavonoids of the cruciferae I; robinin and zhealin from the fruit ofCheiranthus allionii

1. The triglycoside robinin and a new diglycoside, zhealin, have been isolated from the fruit ofCheiranthus alli...

N. P. Maksyutina in Chemistry of Natural Compounds (1965)

Article

Glycosides from ginseng roots IV. Isolation of new glycosides from ginseng

1. New glycosides — panaxosides C, D, E, and F — have been isolated from the root of ginseng by partition chromatography.

N. I. Uvarova, R. P. Gorshkova, L. I. Strigina… in Chemistry of Natural Compounds (1965)

Article

The saponin ofAcanthophyllum gypsophiloides

K. Amanmuradov, E. S. Kondratenko, N. K. Abubakirov in Chemistry of Natural Compounds (1965)

Article

Reduction of some D-homosteroids with an aromatic a ring with alkali metals under the conditions of Birch's reaction. II.

1. The reduction of 3-methoxy-D-homoestra-1, 3, 5(10), 8-tetraen-17aβ-ol (IV) with alkali metals in the presence of ammonium chloride or alcohol gives, in addition to 8β, 9α-dihydro derivatives, the 8α, 9α and...

V. M. Rzheznikov, S. N. Ananchenko, I. V. Torgov in Chemistry of Natural Compounds (1965)

Article

Elucidation of the composition of pastinacin and isolation of sphondin

A preparation of pastinacin has been separated by preparative chromatography on acidic alumina into three isomeric monomethylfurocoumarin components, bergaptene, sphondin, and xanthotoxin. Their ratio in the p...

N. P. Maksyutina in Chemistry of Natural Compounds (1965)

Article

Synthesis and study of the properties of 6-O-(α-L-aspartyl)-D-glucose

1. The carbodiimide method has been used for the first time for the synthesis of aminoacyl derivatives of glucose with aspartic acid.

V. A. Derevitskaya, S. G. Kara-Murza, L. I. Miroshnikova… in Chemistry of Natural Compounds (1965)

Article

Substrate specificity of microbiological conversions of steroids by means ofActinomyces albus ATCC 3006

In a comparison of the substrate specificity of the action of a culture ofActinomyces albus 3006 and a cell-free preparation obtained from the mycelium ofA. albus 3006, it was found that the spectrum of the actio...

Leonid M. Kogan, E. A. Elin, N. E. Voishvillo… in Chemistry of Natural Compounds (1965)

Article

Variants of the complete synthesis of d,l-19-nortestosterone, d,l-19-norandrost-4-ene-3, 17-dione, and their stereoisomers

The complete synthesis of d,l-19-nortestosterone (I) and its 8-iso- and 9, 10-iso- stereoisomers, and also the synthesis of d,l-19-norandrosten-4-ene-3, 17-dione (VI) and its 9, 10-iso-stereoisomer (IX), has been...

K. K. Koshoev, S. N. Ananchenko, I. V. Torgov in Chemistry of Natural Compounds (1965)

Article

Diterpene hydrocarbons of the resin ofPinus sibirica R. Mayr.

V. A. Pentegova, N. K. Kashtanova in Chemistry of Natural Compounds (1965)

Article

Glycosides from ginseng roots. VI. Structure of the carbohydrate chain of panaxoside A

The structure of the carbohydrate part of panaxoside A has been established by methylation with subsequent hydrolysis and identification of the methylated monosaccharides.

G. B. Elyakov, L. I. Strigina, N. K. Kochetkov in Chemistry of Natural Compounds (1965)

Article

Cardenolides of the pods ofOrnithogalum magnum Krasch. et Schischk

Steroid glycosides of the cardenolide group have been found inOrnithogalum magnum.

N. F. Komissarenko in Chemistry of Natural Compounds (1965)

Article

Variants of the complete synthesis of d,l-estrone from 1-vinyl-6-methoxytetralol and 2-methylcyclopentane-1,3-dione

Various routes for the synthesis of the methyl ether of d,l-estrone (XI) and of d,l-estrone itself (XIII) have been investigated. The best results were obtained by synthesis according to the route IV → V → VI → I...

K. K. Koshoev, S. N. Ananchenko, I. V. Torgov in Chemistry of Natural Compounds (1965)

Article

The fatty acid composition of the phospholipids of cottonseed oil

1. The phospholipids of cottonseed oil contain ten fatty acids.

N. I. Iskhakov, A. S. Sadykov, A. I. Ismailov in Chemistry of Natural Compounds (1965)

Article

Investigation of the alkaloids ofVinca major,V. pubescens, andV. rosea. The structure of majdine [1]

N. Abdurakhimova, P. Kh. Yuldashev, S. Yu. Yunusov in Chemistry of Natural Compounds (1965)

Article

Cardenolides ofSecurigera securidaca. II.

The seeds ofSecurigera securidaca have been found to contain a cardiac glycoside securidaside, which is securigenin xyloglucoside. By stepwise enzymatic hydrolysis, securidaside can be decomposed into the monoxyl...

V. V. Zamula, N. P. Maksyutina, D. G. Kolesnikov in Chemistry of Natural Compounds (1965)