Application and synthesis method of 3-methyl-4-nitroimine tetrahydro-1,3,5-oxadiazine
2023-10-10 16:59:44
Chemical properties
This product is a colorless solid.
Purpose
5-Methyl-4-N-nitroamino - [1,3,5] oxadiazine is an intermediate of the insecticide thiamethoxam.
Purpose
Intermediate of thiamethoxam
Production method
The preparation method is to react S-methyl-N-nitroisothiourea with methylamine in ethanol at 50 ℃, and the resulting product is then reacted with formaldehyde and formic acid to obtain the product at a reaction temperature of 90 ℃.
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