metamifop

Bezeichnung:metamifop

Englisch Name:metamifop

CBNumberCB4875172

SummenformelC23H18ClFN2O4

Molgewicht440.85

metamifop physikalisch-chemischer Eigenschaften

Schmelzpunkt	77-81℃
Siedepunkt	589.6±60.0 °C(Predicted)
Dichte	1.363±0.06 g/cm3(Predicted)
storage temp.	2-8°C
Löslichkeit	Soluble in methanol, chloroform and dimethyl sulfoxide.
Aggregatzustand	Solid
pka	0.16±0.50(Predicted)
Farbe	Light Beige to Brown
Henry's Law Constant	1.6×10¹ mol/(m³Pa) at 25℃, MacBean (2012)
InChI	InChI=1S/C23H18ClFN2O4/c1-14(22(28)27(2)20-6-4-3-5-18(20)25)29-16-8-10-17(11-9-16)30-23-26-19-12-7-15(24)13-21(19)31-23/h3-14H,1-2H3
InChIKey	ADDQHLREJDZPMT-UHFFFAOYSA-N
SMILES	C(N(C1=CC=CC=C1F)C)(=O)C(OC1=CC=C(OC2=NC3=CC=C(Cl)C=C3O2)C=C1)C

Sicherheit

Kennzeichnung gefährlicher	Xn,N
R-Sätze:	20-43-50/53
S-Sätze:	36/37-60-61
HazardClass	9

Gefahreninformationscode (GHS)

Chemische Eigenschaften
Chloroform, DMSO, Methanol
Verwenden
An aryloxyphenoxypropionate (AOPP) post-emergence herbicide that shows an exclusive whole plant safety to rice with a high control efficacy to annual grass weeds, especially barnyardgrass.
Definition
ChEBI: 2-{4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy}-N-(2-fluorophenyl)-N-methylpropanamide is a member of the class of 1,3-benzoxazoles that is 6-chloro-1,3-benzoxazol-2-ol in which the hydrogen of the hydroxy group at position 2 is substituted by a 4-({1-[(2-fluorophenyl)(methyl)amino]-1-oxopropan-2-yl}oxy)phenyl group. It is a member of 1,3-benzoxazoles, an organochlorine compound, an aromatic ether, a member of monofluorobenzenes and a tertiary carboxamide.
Vorbereitung Methode
Metamifop is commercially produced through a multi-step synthesis involving aryloxyphenoxypropionate chemistry, starting with the preparation of key intermediates such as 6-chlorobenzoxazole and fluorophenyl derivatives. The process includes etherification of the benzoxazole with a phenol derivative, followed by amidation with N-methylpropanamide containing a fluorinated aromatic ring. These steps are carried out under controlled conditions using organic solvents and catalysts to ensure high yield and purity.
Mechanism of action
Acetyl CoA carboxylase inhibitor (ACCase) - distrupts fatty acid biosynthesis and lipid formation. Causes chlorosis leading to growth retardation
Pestizidtyp
Herbicide

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