Acetic Acid → Carbendazim
Reaktionsgleichung
[C:1]([NH:3][C:4](=[O:7])[O:5][CH3:6])#[N:2].[C:8]1(N)[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=1[NH2:14].C(O)(=O)C>O>[N:2]1[C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][C:9]=2[NH:14][C:1]=1[NH:3][C:4]([O:5][CH3:6])=[O:7]Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Reaktionsbedingungen
- Temperatur
- 50 °C
Versuchsvorschrift
A solution of 5.0 parts of the salt of methyl cyanocarbamate with o-phenylenediamine and 1.5 parts of acetic acid in 25 parts of water is refluxed for 30 minutes. The solution is cooled to 50° C. and filtered. The product is washed with water and dried in vacuo at 95° C. This procedure gives 3.3 parts (72% yield) of 2-benzimidazolecarbamic acid, methyl ester.
Aufarbeitung
- filtrationfiltered
- washThe product is washed with water
- customdried in vacuo at 95° C
Quellen und Nachweise
- ORD-Eintrag
- ord-3da346668bc146ccb8ddc4a1ee5b499a
- Quelldatensatz
- uspto-grants-1976_12
- Patentnummer
- US03997553
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