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ChemicalBook CAS DataBase List 4-bromo-2-methoxy-1-nitrobenzene
103966-66-1

4-bromo-2-methoxy-1-nitrobenzene synthesis

6synthesis methods
-

Yield: 100%

Reaction Conditions:

at 60; for 3 h;Temperature;

Steps:

1.1; 2.1; 3.1 (1) Synthesis of compound III
Add 220g (1mol) of 4-bromo-2-fluoro-1-nitrotoluene, 1000ml of methanol to the reaction flask, add 108g (2mol) of sodium methoxide to 60°C, keep the temperature for 3 hours, and HPLC track the reaction until 4 The reaction of bromo-2-fluoro-1-nitrotoluene is complete; the reaction solution is concentrated, 1000 ml of water is added, and 1000 ml of ethyl acetate are added for layering, and the organic phase is concentrated to obtain 232 g of compound III. The molar yield: 100%.

References:

CN112300028, 2021, A Location in patent:Paragraph 0032; 0034-0035; 0052; 0054-0055; 0070; 0072-0073

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