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ChemicalBook CAS DataBase List Acetamiprid
135410-20-7

Acetamiprid synthesis

1synthesis methods
In a 250 mL reaction flask, N-cyano-N'-(2-chloro-5-pyridinylmethyl)acetamidine 20.5 g (85.27%), chloroform 54.5 mL, and methylbutylammonium bromide 0.11 g. With stirring, cooled to 15 ° C. At the same time, dropwise addition of 11.6 g of dimethyl sulf
-

Yield:135410-20-7 96.6%

Reaction Conditions:

in ethanol at 65;

Steps:

3 Example 3
Preparation of acetamiprid

(500 ml) was added 157.5 g of N- (6-chloro-3-pyridylmethyl) methylamine and 100 g of ethanol,Further, 112 g of cyanoethyl ester,Heated to 65 ° C,Insulation reaction 6 to 7 hours,At the end of the reaction,Cooled to 0 ° C,Standing stratification,filter,Washed with saturated brine,After drying,Acetamidine 22.1 g,Purity 96.8%Yield 96.6%.

References:

CN106187868,2016,A Location in patent:Paragraph 0015

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