HERBICIDAL COMPOUND PREPARATION METHOD
FIELD: agricultural industry. ^ SUBSTANCE: herbicidal compound preparation method includes diethyl ethanol amine salt of N-1,3,5-triazinyl aminocarbonyl arylsulfonamide as an active compound expressed by the general formula: , where R1=Cl or COOCH3; R2=H or CH3; R3=OCH3 or N(CH3)2; R4=CH3, ONC(CH3)2...
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| creator | SAVRAN VIKTOR IVANOVICH ANDRONNIKOV VLADIMIR VENJAMINOVICH SOLOV'EV NIKOLAJ MIKHAJLOVICH MAKSIMOV VIKTOR ALEKSANDROVICH ZHUKOV NIFANTIJ VALENTINOVICH |
| description | FIELD: agricultural industry. ^ SUBSTANCE: herbicidal compound preparation method includes diethyl ethanol amine salt of N-1,3,5-triazinyl aminocarbonyl arylsulfonamide as an active compound expressed by the general formula: , where R1=Cl or COOCH3; R2=H or CH3; R3=OCH3 or N(CH3)2; R4=CH3, ONC(CH3)2 or ONC(CH3)C2H5, which are used in agricultural industry as herbicides and plant growth-regulating chemicals. Method includes condensation of arylsulphonyl isocyanate with substituted 1,3,5-aminotriazine in the organic solvent medium, treatment of reaction mixture containing N-1,3,5-triazinyl aminocarbonyl arylsulfonamide, and excess arylsulphonyl isocyanate and phosgene used as impurities, with aliphatic alcohol, and then with diethyl ethanol amine, water extraction of salt, cleaning filtration, separation of water layer and mixing of water layer containing the active compound with auxiliary components. Output is 98.3-99.6%. ^ EFFECT: improving product yield, manufacturing capacity and environmental safety of the process. ^ 2 cl, 1 tbl, 23 ex |
| format | Patent |
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Method includes condensation of arylsulphonyl isocyanate with substituted 1,3,5-aminotriazine in the organic solvent medium, treatment of reaction mixture containing N-1,3,5-triazinyl aminocarbonyl arylsulfonamide, and excess arylsulphonyl isocyanate and phosgene used as impurities, with aliphatic alcohol, and then with diethyl ethanol amine, water extraction of salt, cleaning filtration, separation of water layer and mixing of water layer containing the active compound with auxiliary components. 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Method includes condensation of arylsulphonyl isocyanate with substituted 1,3,5-aminotriazine in the organic solvent medium, treatment of reaction mixture containing N-1,3,5-triazinyl aminocarbonyl arylsulfonamide, and excess arylsulphonyl isocyanate and phosgene used as impurities, with aliphatic alcohol, and then with diethyl ethanol amine, water extraction of salt, cleaning filtration, separation of water layer and mixing of water layer containing the active compound with auxiliary components. Output is 98.3-99.6%. ^ EFFECT: improving product yield, manufacturing capacity and environmental safety of the process. ^ 2 cl, 1 tbl, 23 ex</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES FISHING FORESTRY HUMAN NECESSITIES HUNTING PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING |
| title | HERBICIDAL COMPOUND PREPARATION METHOD |
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