4-(TRIFLUOROMETHYL)BENZOYL FLUORIDE synthesis
- Product Name:4-(TRIFLUOROMETHYL)BENZOYL FLUORIDE
- CAS Number:368-94-5
- Molecular formula:C8H4F4O
- Molecular Weight:192.11
14815-86-2
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368-94-5
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Yield:368-94-5 99.1%
Reaction Conditions:
with hydrogen fluoride at 70 - 90; under 7500.75 Torr; for 13.5 h;Autoclave;
Steps:
3.3
(3) 1000 g of trichloromethylbenzoyl chloride was injected into the autoclave, inhaled 2000 g of dry hydrogen fluoride, open stirring, and then slowly warming, 0.5 h heating to 70 ± 5 , holding 3 h, then heated to 90 ± 5 , holding for 10 h. The pressure during the reaction was 1.0 MPa. After cooling to 40 ° C, the pressure was released and the tail gas was absorbed with 25% sodium hydroxide to yield trifluoromethyl trifluoromethyl benzoyl fluoride in a yield of 99.1%.
References:
CN107400052,2017,A Location in patent:Paragraph 0017
455-24-3
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368-94-5
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329-15-7
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368-94-5
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455-19-6
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349-95-1
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368-94-5
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