3-bromo-4-chlorobenzoyl chloride synthesis
- Product Name:3-bromo-4-chlorobenzoyl chloride
- CAS Number:21900-34-5
- Molecular formula:C7H3BrCl2O
- Molecular Weight:253.91
42860-10-6
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Yield:21900-34-5 100%
Reaction Conditions:
with thionyl chlorideReflux;
Steps:
(Intermediate 9 Synthesis)
3-bromo-4-chlorobenzoic acid 15.0 g (63.7 mmol) and SOC12 63.7 mL were input into a one-neck 500 mL flask to obtain a mixture. Then, the mixture was refluxed and stirred. After completion of the reaction, the reaction product was subjected to distillation under reduced pressure to remove the solvent from the reaction product. A thus-resulting product was crystallized, to obtain a brown solid compound (intermediate 9) 17.0 g (yield: quant.).
References:
US2020/10460,2020,A1 Location in patent:Paragraph 0092-0093
2840-28-0
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57310-39-1
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89-62-3
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