Abstract:
The production of 2-alkylpyridazonium compounds by reaction of pyridazones-(6) with alkylating agents, and the new 2alkylpyridazonium compounds. The compounds which can be prepared by the process according to the invention are pharmaceuticals and valuable starting materials for the production of dyes, pharmaceuticals and pesticides.
Abstract:
NEW AND VALUABLE PYRIDAZONE DERIVATIVES HAVING THE FORMULA
2-R,3-(O=),4-Y,5-X-2,3-DIHYDROPYRIDAZINE
WHERE R DENOTES A PHENYL OR ARALKYL RADICAL WHICH MAY BE SUBSTITUTED BY HALOGEN, ALKYL, ALKOXY OR HALOALKYL, A CYCLOHEXYL RADICAL WHICH MAY BE SUBSTITUTED BY HALOGEN OR ALKYL, Y DENOTES HYDROGEN, HALOGEN, ALKOXY OR MERCAPTOALKYL, X DENOTES THE GROUPS
AND, WHEN Y DENOTES HYDROGEN OR R DENOTES ARALKYL, X MAY ADDITIONALLY DENOTE THE AMINO OR ACETYLAMINO GROUP, AND A PROCESS FOR CONTROLLING THE GROWTH OF UNWANTED PLANTS WITH THESE COMPOUNDS.
Abstract:
PRODUCTION OF 6-ALKOXYPYRIDAZINIUM COMPOUNDS BY REACTION OF PYRIDAZONE-(6) WITH ALKYLATING AGENTS, AND NEW SUBSTANCES OF THIS TYPE. THE NEW COMPOUNDS ARE PHARMACEUTICALS AND STARTING MATERIALS FOR THE PRODUCTION OF DYES, PHARMACEUTICALS AND PESTICDES.
Abstract:
New and valuable pyridazone derivatives, especially mtrifluoromethylphenyl pyridazone derivatives, and a process for controlling unwanted plants with these compounds.