5-CHLORO-2-(TRIFLUOROMETHYL)BENZALDEHYDE synthesis
- Product Name:5-CHLORO-2-(TRIFLUOROMETHYL)BENZALDEHYDE
- CAS Number:90381-07-0
- Molecular formula:C8H4ClF3O
- Molecular Weight:208.57
261763-21-7
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90381-07-0
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Yield:90381-07-0 82%
Reaction Conditions:
with pyridinium chlorochromate in diethyl ether;dichloromethane for 3 h;
Steps:
2
Dissolve (5-chloro-2-trifluoromethylphenyl)-methanol (347 mg, 1.66 mmol) in dichloromethane (10 mL). Add pyridinium chlorochromate (717 mg, 3.32 mmol) and stir for 2 h. Dilute with diethyl ether and stir for 1 h. Filter and concentrate. Chromatograph on silica gel eluting with 10% ethyl acetate in hexane to give the title compound as a clear EPO
References:
ELI LILLY AND COMPANY WO2006/44454, 2006, A1 Location in patent:Page/Page column 13-14
320-85-4
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90381-07-0
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