| Identification | More | [Name]
Primisulfuron | [CAS]
113036-87-6 | [Synonyms]
2-[4,6-Bis(difluoromethoxy)pyrimidin-2-ylcarbamoylsulfamoyl]benzoic acid
PRIMISULFURON
Benzoic acid, 2-4,6-bis(difluoromethoxy)-2-pyrimidinylaminocarbonylaminosulfonyl-
FLUORISULFURON | [Molecular Formula]
C14H10F4N4O7S | [MDL Number]
MFCD00869846 | [Molecular Weight]
454.31 | [MOL File]
113036-87-6.mol |
| Hazard Information | Back Directory | [Definition]
ChEBI: Primisulfuron is a member of benzoic acids. | [Production Methods]
The industrial synthesis of primisulfuron-methyl begins with the preparation of the 4,6-bis(difluoromethoxy)pyrimidine core. This is typically achieved by reacting 2,4,6-trichloropyrimidine with difluoromethanol under basic conditions to substitute chlorine atoms with difluoromethoxy groups. The resulting intermediate is then aminated to introduce the amino group at the 2-position of the pyrimidine ring. Separately, methyl 3-sulfamoylbenzoate is synthesised and reacted with the pyrimidine derivative via a urea linkage using phosgene or a phosgene equivalent. The final product is purified through crystallisation or solvent extraction. | [Mechanism of action]
Selective, systemic, absorbed through roots and foliage. Inhibits plant amino acid synthesis - acetohydroxyacid synthase AHAS | [Pesticide Type]
Herbicide; Metabolite |
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