FIELD: chemistry.
SUBSTANCE: invention relates to agriculture. 2-(1N-benzimidazol-2-yl)-5'-nitrobenzoic acid of formula 1 is antidote for protection of sunflower seedlings from negative action of herbicide of 2,4-dichlorophenoxyacetic acid: 
Interaction of o-phenylenediamine with 2-formyl-5-nitrobenzoic acid in ratio 1:1 in acetic acid at room temperature for 1.5 hour is carried out.
EFFECT: invention makes it possible to reduce temperature mode and reduce reaction time.
2 cl, 4 tbl, 2 ex
| Title | Year | Author | Number |
|---|---|---|---|
| SUBSTITUTED 6a, 11-DIHYDRO-5H-BENZO[4,5][1,3]OXAZINO[2,3-ALPHA]ISOINDOL-11-ONS-ANTIDOTS OF HERBICIDE OF HORMONAL ACTION OF 2,4-DICHLOROPHENOXYACETIC ACID AND METHOD OF THEIR OBTAINING | 2007 |
|
RU2345083C1 |
| 2-ARYL-4,4-DIPHENYL-3,4-DIHYDROQUINAZOLINES - ANTIDOTES OF HERBICIDE OF HORMONAL ACTION OF 2,4-DICHLOROPHENOXYACETIC ACID | 2014 |
|
RU2574067C1 |
| 2,4-DICHLOROPHENOXYACETIC ACID HERBICIDE ANTIDOTES | 2009 |
|
RU2430915C2 |
| (2E,2'E)-2,2'-(1,2,4-THIADIAZOL-3,5-DIYL)BIS(3-(4-CHLOROPHENYL)ACRYLONITRILE) AS 2,4-D ANTIDOTE ON SUNFLOWER | 2022 |
|
RU2795307C1 |
| APPLICATION OF 2-(1H-1-PYRROLYL)-4-DIPROPYLAMINO-6-(4-ETHOXYCARBONYL-5-METHYL-1,2,3-TRIAZOLE-1-YL)-1,3,5-TRIAZINE AS ANTIDOTE AGAINST PHYTOTOXIC EFFECT OF HERBICIDE 2,4-DICHLOROPHENOXYACETIC ACID AT GERMINATED SUNFLOWER SEEDS | 2008 |
|
RU2378831C1 |
| ANTIDOTE FOR HERBICIDES OF HORMONAL ACTION OF 2,4-DICHLORPHENOXY ACETIC AND 4-AMINO-3,5,6-TRICHLORPICOLINIC ACIDS | 1992 |
|
RU2043021C1 |
| USING N-SUBSTITUTED 3-CYANO-4,6-DIMETHYL-5-CHLOROPYRIDYL-2-SULFONYLAMIDES AS ANTIDOTES OF HERBICIDE 2,4-DICHLOROPHENOXYACETIC ACID IN SUNFLOWER | 2005 |
|
RU2287273C1 |
| ANTIDOTE OF 2,4-DICHLOROPHENOXYACETIC ACID ON SUNFLOWER | 2008 |
|
RU2383135C2 |
| 3-(2-THIOCYANATOACETYL)-2H-CHROMEN-2-ONE AS A 2,4-D ANTIDOTE ON SUNFLOWER | 2023 |
|
RU2805917C1 |
| SUBSTITUTED 3-(3-AMINO-4,6-DIMETHYLTHIENO[2,3-B]PYRIDIN-2-YL)-3-OXO-N-PHENYLPROPANAMIDES AS 2,4-D ANTIDOTES FOR SUNFLOWER | 2022 |
|
RU2798590C1 |
