154 Result(s)

Article

Progress in research on the chemistry of alkaloids ofAnabasis aphylla

A. S. Sadykov in Bulletin of the Academy of Sciences of the… (1953)

Article

The flavonols of the flowers ofGossypium hirsutum L. (cotton variety 108-F)

Quercimeritrin C₂₁H₂₀O₁₂, and a new flavonol glucoside with mp 228–230° and composition C₂₁H₂₀O₁₂, which has been shown to be quercetin 3′-glucoside, have been extracted from flowers of the cotton variety 108-F.

Z. P. Pakudina, A. S. Sadykov, P. K. Denliev in Chemistry of Natural Compounds (1965)

Article

Studies in dipyridyl chemistry. VII. Sulfur trioxide sulfonation of γ,γ′-dipyridyl

Reaction of γ,γ′-dipyridyl with sulfur trioxide at room temperature gives γ,γ′-dipyridyld'isulfotrioxide, which latter on heating at 200° gives γ,γ′-dipyridyl-sulfonic acid. Salts of γ,γ′-dipyridyl-3-sulfonic ...

A. A. Ziyaev, O. S. Otroshchenko, A. S. Sadykov in Chemistry of Heterocyclic 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

Formation of phenolic compounds in cotton sprouts

The simplest component of the catechin complex, (+)-catechin, is formed in the cotyledons and rootlets from the very first days of the development of cotton seed. This component accumulates both in the light a...

A. K. Karimdzhanov, A. I. Ismailov, A. S. Sadykov in Chemistry of Natural Compounds (1965)

Article

Syntheses relating to anabasine base

Chlorination of anabasine and piperidine with chlorine at 220–230° leads to dehydrogenation and formation of respectively, 5-chloro-2, 3′-dipyridyl and 3-chloropyridine.

V. K. Kiryukhin, V. S. Otroshchenko, A. S. Sadykov in Chemistry of Heterocyclic Compounds (1966)

Article

The flavonoids of Hibiscus

The flowers of hybrid hibiscus plants (Nos. 2209 and 2332) have been found to contain a glycoside, hybridin. It is a new bioside of quercetin characterized as quercetin 3-β-D-xylopyranoside-β-D-galactofuranoside.

B. Makhsudova, Z. P. Pakudina, A. S. Sadykov in Chemistry of Natural Compounds (1967)

Article

Hirsutrin — A new glycoside from the flowers ofGossypium hirsutum

A new glycoside, hirsutrin, with the structure of quercetin 3-β-D-glucopyranoside, has been obtained from the flowers ofGossypium hirsutum. It differs from isoquercitrin in the spatial arrangement of the D-glucos...

Z. P. Pakudina, A. S. Sadykov in Chemistry of Natural Compounds (1967)

Article

Chemistry of dipyridyls

It is shown that it is possible to determine the position of substituents in dipyridyls in determining the frequencies of out-of-plane vibrations of C-H bonds in the 950-650 cm⁻¹ region of their IR spectra.

V. B. Leont'ev, Yu. S. Mangutova, O. S. Otroshchenko… in Chemistry of Heterocyclic Compounds (1967)

Article

Flavonols of hibiscus and a hybrid of hibiscus with the cotton plant

B. Makhsudova, Z. P. Pakudina, A. S. Sadykov in Chemistry of Natural Compounds (1967)

Article

Condensation product of lupininic acid with piperidine

Kh. A. Aslanov, T. K. Kasymov, A. S. Sadykov… in Chemistry of Natural Compounds (1967)

Article

Structure of anabasamine

1. A spectroscopic study of anabasamine, isolated from the seeds of the plantAnabasis aphylla L. has been carried out.

S. Z. Mukhamedzhanov, Kh. A. Aslanov, A. S. Sadykov… in Chemistry of Natural Compounds (1968)

Article

Spatial structure of sophoridine and sophoridinic acid

It has been established that sophoridine and sophoridinic acid have the syn-cis configuration.

A. I. Begisheva, Kh. A. Aslanov, A. S. Sadykov in Chemistry of Natural Compounds (1968)

Article

A new variant of the synthesis ofβ,γ′-bipyridyl by means of the Chichibabin reaction

A new method for the synthesis ofβ,γ′-bipyridyl by the Chichibabin reaction has been carried out.

O. S. Otroshchenko, A. A. Ziyaev, A. S. Sadykov in Chemistry of Heterocyclic Compounds (1969)

Article

Isomerization of the hydrochlorides of some alkaloids of the matrine series

The conversions of sophoridane into allomatridine and matridine, of isosophoridane into allomatridine, and of isosophoridine into sophoridine have been effected. A mechanism has been proposed for the thermal i...

A. I. Begisheva, Kh. A. Aslanov, A. S. Sadykov… in Chemistry of Natural Compounds (1969)

Article

Dimerization of N-methylanabasine in the presence of metallic sodium

In a study of the dimerization of N-methylanabasine in the presence of metallic sodium under conditions for the dimerization of pyridine, it was found that the reaction does not take place at room temperature ...

A. A. Ziyaev, O. S. Otroshchenko, A. S. Sadykov… in Chemistry of Heterocyclic Compounds (1969)

Article

Isomerization of the alkaloids of the matrine series over Pt/H₂

The isomerization of the alkaloids of the matrine series over Pt/H₂ has been studied.

Kh. A. Aslanov, A. S. Sadykov, V. B. Leont'ev… in Chemistry of Natural Compounds (1969)