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CAS No. : | 3800-06-4 | MDL No. : | MFCD06658166 |
Formula : | C13H10FNO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | FFFXIQFESQNINT-UHFFFAOYSA-N |
M.W : | 215.22 | Pubchem ID : | 9837287 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
96% | methanesulfonic acid; In isopropyl alcohol; at 80 - 87℃; for 8h; | 92 g of <strong>[32249-35-7]methyl 3-cyclopropyl-3-oxopropionate</strong> and 130.3 g of 2-amino-4'-fluorobenzophenone and 58.2 g of methanesulfonic acid were added to 1100 g of 2-propanol, and 2-propanol was distilled off at 80 to 87C. After distilling off 984 g of 2-propanol over 5 hours, 6.85 g of <strong>[32249-35-7]methyl 3-cyclopropyl-3-oxopropionate</strong> was added and the mixture was heated at 80C for 3 hours.. An analysis of the mixture with HPLC showed disappearance of 2-amino-4'-fluorobenzophenone as a raw material. 1100 g of toluene was added into the reaction solution, and the reaction solution was washed with 602 g of 4% aqueous solution of sodium hydroxide and then 262 g of 2% aqueous solution of sodium hydroxide.. The reaction solution was further washed with 206 g of 5% brine solution, and then dried over 21 g of anhydrous magnesium sulfate.. An analysis of the toluene solution with HPLC showed that 186.5 g of methyl 2-cyclopropyl-4-(4'-fluorophenyl)quinoline-3-carboxylate was produced (converted yield: 96%). |
Example-2Preparation of methyl 2-cyclopropyl-4-(4-fluorophenyl)quinoline-3-carboxylateTo the solution of 2-amino-4'-fluorobenzophenone (100 g) in methanol (500 ml) added Methyl 3-cyclopropyl-3-oxopropanoate (132 g), sulfuric acid (5 ml) and stirred for 15 minutes at 25 C. Heated the reaction mixture to 65 C. for 22 hrs. Distilled off the methanol completely under reduced pressure. Cooled the reaction mixture to 25 C., added water (500 ml) and stirred for 30 minutes. Cooled the reaction mixture to 0 C. and pH adjusted to 6.0 with sodium carbonate solution. Stirred the reaction mixture for 45 minutes at 25 C. Filtered the cake and washed with water. Spin dry the compound for 60 minutes. To this compound added methanol (150 ml) and stirred for 1 hr at 25 C. Filtered the solid and washed with methanol (50 ml). Dried the obtained solid to get the title compound.Yield: 141.6 g; MR: 123-125 C.;Purity by HPLC: 99.69% |
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