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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-(...
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Article
Improved synthesis of 2,7-dihydroxyfluorenone in the manufacture of tilorone with application of a rotor—stator system
A method for improving the quality and increasing the yield of 2,7-dihydroxyfluorenone by using a rotor– stator apparatus in the process technology is described. The results can be used in the manufacturing of...
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Article
Debenzylation of 2,6,8,12-tetraacetyl-4,10-dibenzyl-2,4,6,8,10,12-hexaazatetracyclo[5.5.0.03,11.05,9]dodecane
The debenzylation of 2,6,8,12-tetraacetyl-4,10-dibenzyl-2,4,6,8,10,12-hexaazatetra-cyclo[5.5.0.03,11.05,9]dodecane by catalytic hydrogenolysis in a mixture of HCOOH with other RCOOH (R = Me, Et, Pri) is accompani...
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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 ...
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Article
Synthesis of ultrafine diamonds from alloys of TNT with polycyclic nitramines
The synthesis of ultrafine diamonds from alloys of TNT with new polycyclic nitramines was studied experimentally. The use of nitramines with an oxygen balance smaller than that of RDX increases the yield of ul...
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Article
Molecular and crystal structure of polycyclic nitramines
An X-ray structural investigation has been carried out for four polycyclic nitramines with an isowurtzitane structure. These compounds are high-density, high-energy materials: 4,10-dinitro-2,6,8,12-tetraoxa-4,...
