Patents

Virtual Titration Laboratory

The software is designed to emulate potentiometric titration in the Online mode. Virtual Titration allows to conduct laboratory work on analytical chemistry in virtual mode via the Internet. This allows to learn more about different types of titration in a relatively short time and reduce spending on equipment and reagents. The complex software simulates real laboratory work – students drop by drop add a standardized solution of alkali to a solution of acid of unknown concentration. At the same time, a graph on the dependence of pH of the titrated solution on the volume of the added titrant appears on the screen. Analyzing the graph, students should determine the concentration of titrated acid, then the software checks the accuracy of the calculation and informs the students on the mistake in their calculation.

Anna Marakhova A.Kuznetsov

Calculation of the Solubility of Slightly Soluble Salts of Weak Acids Depending on the Solution pH Level

The software is used to calculate the solubility of slightly soluble residuals of salts of weak acids in solutions of a strong acid. The software comprises two software packages: the first is responsible for the software- user interaction, and the second – for the actual calculation. The software contains two auxiliary user functions that provide solubility calculations depending on the experimental conditions. The software provides convenient input of initial data and output of results.

Anna Marakhova A.Kuznetsov

Methane Tank

The utility model refers to agriculture, namely to installations for processing organic sewage sludge and manure and can be used in the production of biogas and organic fertilizers.

A.P.Svintsov N.A. Stashevskaya S.L. Shambina

Method for Producing Pyrrol[2,1-a] isoquinoline derivatives

The invention relates to organic chemistry, namely the method for producing pyrro[2,1-a]isoquinoline 3-6 derivatives, where 3: R1=OCH3, R2=H, R3=Cl, R4=H; 4: R1=OCH3, R2=H, R3=Cl, R4=CH3; 5: R1=R2=R3=OC2H5, R4=H; 6: R1=R2=R3=OC2H5, R4=CH3, comprising dissolution of 6,7-dimethoxy-3,4-dihydro-1-(4-benzoyl chloride)isoquinoline or 6,7-diethoxy-3,4-dihydro-1-(3,4-diethoxybenzoyl)isoquinoline in acetonitrile and addition of 1,5-diphenyl-1-peptene-4-in-3-ona 1-(4-methylphenyl)-5-phenyl-1-peptene-4-in-3-ona and 30 mole percent of cuprous bromide, and subjecting to microwave irradiation (300 W) for 30 min at +200 °C, wherein the residue received after the end of the reaction and removal of the solvent, is crystallized from ether. Technical Result: The method for producing pyrrol[2,1-a]isoquinoline derivatives, which may have useful biological properties, was developed. 4 ex.

T.N.Borisova A.V.Varlamov Leonid Voskresenskiy Matveeva Maria Dmitrievna

Process for the preparation of 5,6-dihydropyrrolo [2,1-a] isoquinoline derivatives containing functional group in position 2

The invention pertains to a novel method for the synthesis of 5,6-dihydropyrrolo [2,1-a] isoquinoline derivatives containing a functional group in position 2. The method consists of dissolving 6,7-diethoxy-3,4-dihydro-1- (3,4-diethoxybenzoyl) isoquinoline in trifluoroethanol and adding acrolein or crotonaldehyde or cinnamaldehyde or acrylonitrile and stirring at a temperature of + 70 ° C. The residue obtained after completion of the reaction and removal of the reagents is crystallized in a mixture of ether and hexane. The proposed process allows the preparation of 2-functionally substituted 5,6-dihydropyrrolo derivatives by acrolein or crotonaldehyde or cinnamic aldehyde or acrylonitrile to 6,7-diethoxy-3,4-dihydro-1- (3,4-diethoxybenzoyl) isoquinoline in trifluoroethanol [2,1-a] isoquinolines.

T.N.Borisova L.G.Voskresenskii T.M.Chervyakova A.N.Varlamov

Process for the preparation of 5,6-dihydropyrrolo [2,1-a] isoquinoline derivatives

The invention pertains to the field of organic chemistry, more specifically to a process of the preparation of 5,6-dihydropyrrolo [2,1-a] isoquinoline 1-4 derivatives with the same structural formula. The synthesis of 5,6-dihydropyrrolo [2,1-a] isoquinoline derivatives method with a three-component reaction is proposed.

T.N.Borisova M.V.Moiseeva A.V.Varlamov L.G.Voskresenskii A.A.Titov R.S.Borisov

Nanocrystalline catalyst for cracking propane for producing olefins and the method of its production

The invention pertains to the field of petrochemistry. The nanocrystalline catalyst for the cracking of propane for the production of olefins is a nanocrystalline form of an airgel of aluminum oxide.

Yu.M.Serov O.K.Krasilnikova T.F.Sheshko E.B.Markova