Pyridazine derivatives and their use as agricultural fungicides

Details Pyridazine derivatives and their use as agricultural fungicides Pyridazine derivatives and their use as agricultural fungicides

1980-04-07

1981-07-21

Jiles, Henry R.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Bacterium or component thereof or substance produced by said...

424250, 4242485, 544 82, 544114, 544238, 544239, A01N 4716, A01N 4718, C07D23714, C07D41312

Patent

active

042799082

ABSTRACT:
6-(3- And/or 5-halophenyl)pyridazines having an N-substituted carbamoyloxy, carbamoylthio, thiocarbamoyloxy or thiocarbamoylthio group at the 3- position on they pyridazine system and 6-(3- and/or 5-halophenyl)-3-pyridazone derivatives having a substituted or unsubstituted hydrocarbyloxycarbonyl substituent at the 2-position of the pyridazine ring have good fungicidal activity, making them useful as agricultural fungicides suitable for application to seeds, plants and agricultural land, and can be prepared by reacting the corresponding 6-substituted pyridazone or pyridazinethione with the corresponding carbamoyl halide or halocarbonate.

REFERENCES:
patent: 2624730 (1953-01-01), Steck
patent: 3862943 (1975-01-01), Houlihan
patent: 4052395 (1977-10-01), Jojima et al.

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