Pyraclostrobin synthesis
- Product Name:Pyraclostrobin
- CAS Number:175013-18-0
- Molecular formula:C19H18ClN3O4
- Molecular Weight:387.82
![Methyl [2-(bromomethyl)phenyl]methoxycarbamate](/CAS/20180703/GIF/151827-83-7.gif)
151827-83-7
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Yield:175013-18-0 83%
Reaction Conditions:
with potassium carbonate in N,N-dimethyl-formamide;propan-2-one; for 7 h;Reflux;
Steps:
2.5 Example 2
(5) Dissolving methyl N-methoxy-N- (2-bromomethylphenyl) carbamate with DMF as solvent0.12 mol of 1- (4-chlorophenyl) -pyrazolol, 0.15 mol of K2CO3 and acetone were placed in a reactor. After the temperature was raised to reflux, a solution of 0.1 mol of N-methoxy-N-2-bromomethylphenylcarbamate solution was refluxed for 7 hours. After filtration and drying, the solid material was completely dissolved by stirring with anhydrous methanol, and then cooled and crystallized to obtain a light The yellow solid is the target product pyraclostrobin.
The purity of the product pyraclostrobin prepared by the above method was 89.1% and the yield was 83%
References:
CN106008347,2016,A Location in patent:Paragraph 0027; 0033; 0034
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![Carbamic acid, N-[2-(chloromethyl)phenyl]-N-methoxy-, methyl ester](/CAS/GIF/1334322-60-9.gif)
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![Carbamic acid, N-methoxy-N-[2-[(1H-pyrazol-3-yloxy)methyl]phenyl]-, methyl ester](/CAS/20210305/GIF/175013-17-9.gif)
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175013-18-0
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3958-60-9
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175013-18-0
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