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CAS No. : | 80382-23-6 | MDL No. : | MFCD00941425 |
Formula : | C15H17NaO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | WORCCYVLMMTGFR-UHFFFAOYSA-M |
M.W : | 268.28 | Pubchem ID : | 23663407 |
Synonyms : |
Loxoprofen (sodium salt)
|
Chemical Name : | Sodium 2-(4-((2-oxocyclopentyl)methyl)phenyl)propanoate |
Num. heavy atoms : | 19 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.47 |
Num. rotatable bonds : | 4 |
Num. H-bond acceptors : | 3.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 67.94 |
TPSA : | 57.2 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | Yes |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -6.22 cm/s |
Log Po/w (iLOGP) : | -5.29 |
Log Po/w (XLOGP3) : | 2.42 |
Log Po/w (WLOGP) : | 1.45 |
Log Po/w (MLOGP) : | 2.29 |
Log Po/w (SILICOS-IT) : | 3.36 |
Consensus Log Po/w : | 0.85 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -3.0 |
Solubility : | 0.27 mg/ml ; 0.00101 mol/l |
Class : | Soluble |
Log S (Ali) : | -3.26 |
Solubility : | 0.146 mg/ml ; 0.000545 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -3.66 |
Solubility : | 0.0582 mg/ml ; 0.000217 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 0.0 |
Synthetic accessibility : | 2.67 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | 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 |
---|---|---|
95% | for 1 h; | Compound 9 and methanol were charged into a round bottom reaction flask,To the above solution was added 1 equivalent of sodium hydroxide solution,Stirred for 1 hour,Distilled at 50-55 ° C under reduced pressure,5percent aqueous ethyl acetate was added,Heated, then cooled to room temperature,Seed crystals were added to the solution,Stirred at 0-5 ° C for 5-6 hours to obtain turbid liquid,Filtered to obtain loxoprofen sodium dihydrate,Yield 95percent, HPLC purity 99.1percent. |
88.6% | With sodium hydroxide In acetone at 30℃; | The reaction formula is as follows: The losoprofen acid d 12.3g was added to 30 ml of acetone and stirred to dissolve, and the temperature was raised appropriately, and the maximum temperature did not exceed 30 °C. After the completion of the dissolution, 6.5 g of a 30percent NaOH solution was added dropwise to the solution at 30 ° C until the pH of the system reached 7.2, and the reaction was completed.The temperature was raised to 45 ° C, the formed solid was dissolved, 0.3 g of activated carbon was added for decolorization for 15 min, hot filtered, and the filtrate was slowly cooled and cooled to 2°C, maintained for 2h, filtered, the filter cake was washed with a small amount of acetone, and the wet product was dried under vacuum at 30 ° C to obtain 13.4 g of white flake crystals, the yield was 88.6percent, the HPLC content was 99.95percent, the single impurity was 0.02percent, and the total impurities were 0.05percent. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
35.36 g | With sodium hydroxide In ethanol for 1 h; Reflux | Methyl 2-(4-((2-oxocyclopentyl)methyl)phenyl) propionate (compound 6, 38 g, 154.28 mmol) was introduced into a 500 ml three-necked flask, ethanol (200 ml) was added, refluxed, and sodium hydroxide solution (20.9 g, 30percent by mass) was dropped to the resulting mixture for 1 hour. After completion of dripping, the material was concentrated to dryness. The residue was recrystallized from ethanol-methyl tert-butyl ether to give a white powdery solid (35.36 g, 131.80 mmol). Molar yield 85.43percent, HPLC purity 99.7percent |
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