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2-Chloro-6-broMobenzaMide synthesis

2synthesis methods
116529-65-8 Synthesis
2-BROMO-6-CHLOROBENZOYL CHLORIDE

116529-65-8
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Yield:66073-53-8 99.5 %

Reaction Conditions:

with ammonium hydroxide at 0 - 30;Temperature;Reagent/catalyst;

Steps:

7-12 Example 7

Add 300ml of ammonia water (2.28mol) and 300g of ice into the reaction flask, stir for 10min, add 100g of 2-bromo-6-chlorobenzoyl chloride (0.40mol) dropwise, the temperature of the dropping process is controlled at about 0°C, and the dropwise Stir overnight at room temperature (20-30°C). After stirring overnight, filter directly with suction and dry to obtain 92 g of crude 2-bromo-6-chlorobenzamide. The purity is 97%, and the molar yield is 99.5%.

References:

CN116003294,2023,A Location in patent:Paragraph 0046-0058