PRODUCTION OF 4-SUBSTITUTED 3-METHYL-1-ARYL-5- AMINOPYRAZOLES
A novel process for the preparation of known 4-substituted 3-methyl-1-aryl-5-aminopyrazoles of the general formula …… in which… X , X and X independently of one another each represent halogen and… Ar represents optionally substituted phenyl. … The compounds (I) are obtained by reacting, without isol...
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| creator | HAUKE FUYURUSUTENBERUTO |
| description | A novel process for the preparation of known 4-substituted 3-methyl-1-aryl-5-aminopyrazoles of the general formula …… in which… X , X and X independently of one another each represent halogen and… Ar represents optionally substituted phenyl. … The compounds (I) are obtained by reacting, without isolation of the intermediates, 3-ketobutyraldehyde dimethyl acetal first with amines …… then with trihalomethanesulphenyl chlorides …… then with hydroxylamine hydrochloride in the presence of an acid-binding agent and finally with arylhydrazines of the formula Ar-NH-NH2, where X , X , X and Ar have the abovementioned meanings and R and R have the meanings given in the application text. … Compounds of the formula (I) are substances having strong insecticidal activity. |
| format | Patent |
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each represent halogen and… Ar represents optionally substituted phenyl. … The compounds (I) are obtained by reacting, without isolation of the intermediates, 3-ketobutyraldehyde dimethyl acetal first with amines …… then with trihalomethanesulphenyl chlorides …… then with hydroxylamine hydrochloride in the presence of an acid-binding agent and finally with arylhydrazines of the formula Ar-NH-NH2, where X , X , X and Ar have the abovementioned meanings and R and R have the meanings given in the application text. … Compounds of the formula (I) are substances having strong insecticidal activity.</description><language>eng</language><subject>AGRICULTURE ; ANIMAL HUSBANDRY ; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES ; CHEMISTRY ; FISHING ; FORESTRY ; HETEROCYCLIC COMPOUNDS ; HUMAN NECESSITIES ; HUNTING ; METALLURGY ; ORGANIC CHEMISTRY ; PEST REPELLANTS OR ATTRACTANTS ; PLANT GROWTH REGULATORS ; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF ; 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Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HAUKE FUYURUSUTENBERUTO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PRODUCTION OF 4-SUBSTITUTED 3-METHYL-1-ARYL-5- AMINOPYRAZOLES</title><date>1989-07-31</date><risdate>1989</risdate><abstract>A novel process for the preparation of known 4-substituted 3-methyl-1-aryl-5-aminopyrazoles of the general formula …… in which… X , X and X independently of one another each represent halogen and… Ar represents optionally substituted phenyl. … The compounds (I) are obtained by reacting, without isolation of the intermediates, 3-ketobutyraldehyde dimethyl acetal first with amines …… then with trihalomethanesulphenyl chlorides …… then with hydroxylamine hydrochloride in the presence of an acid-binding agent and finally with arylhydrazines of the formula Ar-NH-NH2, where X , X , X and Ar have the abovementioned meanings and R and R have the meanings given in the application text. … Compounds of the formula (I) are substances having strong insecticidal activity.</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 CHEMISTRY FISHING FORESTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING |
| title | PRODUCTION OF 4-SUBSTITUTED 3-METHYL-1-ARYL-5- AMINOPYRAZOLES |
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