In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 398-62-9 as follows. HPLC of Formula: C8H9FO2
EXAMPLE 118 4-Chloro-1-[3,4-dimethoxy-6-fluorophenyl]-1-hexanone A solution of 0.1056 g (0.64 mmol) of 4-fluoroveratrole in 1 mL of methylene chloride was added to a mixture of 0.2289 g (1.7 mmol) of aluminum chloride and 0.09 mL (0.8 mmol) of 4-chlorobutyryl chloride in 2 mL of methylene chloride at 25. The reaction mixture was stirred at 25 for 22 hours. Water was added and the organic layer was separated and washed with sodium bicarbonate solution. The dried extract was concentrated under reduced pressure to an oil which was chromatographed on 10 g of silica gel using 25% ethyl acetatehexane to give 0.041 g, mp 81-82, of 4-chloro-[3,4-dimethoxy-6-fluorophenyl]-1-hexanone. The nmr spectrum was consistent with the structure and the mass spectrum gave the molecular ion at m/z 260 (C12 H14 ClFO3)
According to the analysis of related databases, 398-62-9, the application of this compound in the production field has become more and more popular.
Reference:
Patent; Hoffmann-La Roche Inc.; US5025036; (1991); A;,
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