12 Result(s)

Article

Synthesis and Analgesic Activity of 4,10-Bis((±)-5-Benzoyl-2,3-Dihydro-1hpyrrolo[1,2-a]Pyrrole-1-Carbonyl)-2,6,8,12-Tetraacetyl-2,4,6,8,10,12-Hexaazatetracyclo[5,5,0^3,11,0^5,9]Dodecane

A method of preparing the potential analgesic substance 4,10-bis((±)-5-benzoyl-2,3-dihydro-1H-pyrrolo-[1,2-a]pyrrole-1-carbonyl)-2,6,8,12-tetraacetyl-2,4,6,8,10,12-hexaazatetracyclo[5,5,0^3,11,0^5,9]dodecane is des...

D. A. Kulagina, S. V. Sysolyatin, A. I. Kalashnikov… in Pharmaceutical Chemistry Journal (2021)

Article

Nitrolysis of 2,6,8,12-tetraacetyl-4,10-dibenzyl-2,4,6,8,10,12-hexaazatetracyclo[5.5.0.0^3,11.0^5,9]dodecane

Nitrolysis of 2,6,8,12-tetraacetyl-4,10-dibenzyl-2,4,6,8,10,12-hexaazatetracyclo-[5.5.0.0^3,11.0^5,9]dodecane results in the substitution of benzyl groups by the nitro groups with the formation of 2,4,6,8,10,12-hex...

A. I. Kalashnikov, S. V. Sysolyatin, G. V. Sakovich… in Russian Chemical Bulletin (2017)

Article

Management of flight control for “ExoMars-2018” robotic interplanetary space station

The article covers the current status of activities on development of “ExoMars-2018” robotic interplanetary space station in terms of SC Composite flight program, results of onboard systems interaction functio...

A. E. Shirshakov, M. I. Artyukhov, Yu. V. Kazakevich… in Solar System Research (2015)

Article

Features of RadioAstron Mission Control

Support means of the Spektr-R spacecraft flight and features of the Mission Control Center operation and spacecraft control are considered. Software for scheduling and preparing sessions of controlling and simula...

V. V. Khartov, A. E. Shirshakov, M. I. Artyukhov, Yu. V. Kazakevich… in Cosmic Research (2014)

Article

A search for raw materials for the isolation of shikimic acid

The content of shikimic acid in the vegetative parts of a number of plants growing in the Altai Territory has been studied. The greatest content of shikimic acid (about 1.5%) was found in the coniferous needle...

D. V. Bochkov, S. V. Sysolyatin… in Russian Journal of Bioorganic Chemistry (2013)

Article

Principles of interaction of furazano-1,2,3,4-tetrazine-1,3-dioxide with organic solvents

Physicochemical interactions of furazano-1,2,3,4-tetrazine-1,3-dioxide (F) with organic solvents are studied according to thermogravimetry and UV spectrophotometry. It is shown that the donor-acceptor interact...

V. P. Zelenov, P. I. Kalmykov, A. I. Kalashnikov in Russian Journal of Physical Chemistry A (2013)

Article

Facile method for the synthesis of oseltamivir phosphate

A ten-step scheme for the preparation of an antiviral agent, ethyl (3R,4R,5S)-4-acetylamino-5-amino-3-(pent-3-yloxy)cyclohex-1-enecarboxylate phosphate, from (-)-shikimic acid was studied. The main parameters of ...

A. I. Kalashnikov, S. V. Sysolyatin, G. V. Sakovich… in Russian Chemical Bulletin (2013)

Article

Synthesis of Betulin Derivatives: N’{N-[3-OXO-20(29)-Lupen-28-OYL]-9-Aminononanoyl}3-Amino-3-Phenylpropionic Acid

A method for synthesizing N’-{N-[3-oxo-20(29)-lupen-28-oyl]-9-aminononanoyl}-3-amino-3-phenylpropionic acid, a compound that exhibited immunostimulating and antiviral activities, by adding the methyl ester of N-(...

S. V. Sysolyatin, V. N. Surmachev, V. V. Malykhin… in Pharmaceutical Chemistry Journal (2012)

Article

Debenzylation of 2,6,8,12-tetraacetyl-4,10-dibenzyl-2,4,6,8,10,12-hexaazatetracyclo[5.5.0.0^3,11.0^5,9]dodecane

The debenzylation of 2,6,8,12-tetraacetyl-4,10-dibenzyl-2,4,6,8,10,12-hexaazatetra-cyclo[5.5.0.0^3,11.0^5,9]dodecane by catalytic hydrogenolysis in a mixture of HCOOH with other RCOOH (R = Me, Et, Prⁱ) is accompani...

A. I. Kalashnikov, S. V. Sysolyatin, G. V. Sakovich… in Russian Chemical Bulletin (2009)

Article

Behavior of [1,2,5]oxadiazolo[3,4-e][1,2,3,4]tetrazine 4,6-dioxide in various media

A behavior of [1,2,5]oxadiazolo[3,4-e][1,2,3,4]tetrazine 4,6-dioxide (1) in organic solvents and aqueous solutions of various acidity has been studied by UV spectrophotometry. Kinetic laws for the N,N′-dioxide 1 ...

V. P. Zelenov, A. A. Lobanova, N. I. Lyukshenko… in Russian Chemical Bulletin (2008)

Article

Ferrous metallurgy in the German Democratic Republic

M. A. Kovalevskii, A. I. Kalashnikov, I. I. Pashko, I. I. Osadchii… in Metallurgist (1969)