- Preparation method of amitraz
-
The invention provides a preparation method of amitraz, which comprises the steps of (1) mixing 2,4-methyl toluidine, N-methyl formamide, triethyl orthoformate and a catalyst to obtain a mixture, (2)heating the mixture to allow the mixture to react, and volatilizing alcohol and ethyl formate to obtain final reaction liquid, and (3) cooling the final reaction liquid to a room temperature, and adding an organic solvent for crystallization to obtain the amitraz. The method has the advantages of greenness, environmental protection, high efficiency, economy, short reaction period, high product purity and the like.
- -
-
Paragraph 0079-0104
(2018/03/24)
-
- Macrocyclic plant acaricides
-
Compounds of the formula I STR1 in which either R is methyl and there is a double bond in the 9,10-position, or in which R is hydrogen and there is a single bond in the 9,10-position, are highly active against Acarina which damage plants.
- -
-
-
