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CAS No. : | 139756-04-0 | MDL No. : | MFCD20270864 |
Formula : | C18H24N4O3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | OYHROMDBMGIQCJ-UHFFFAOYSA-N |
M.W : | 344.41 g/mol | Pubchem ID : | 11393797 |
Synonyms : |
|
Num. heavy atoms : | 25 |
Num. arom. heavy atoms : | 11 |
Fraction Csp3 : | 0.39 |
Num. rotatable bonds : | 9 |
Num. H-bond acceptors : | 4.0 |
Num. H-bond donors : | 2.0 |
Molar Refractivity : | 96.48 |
TPSA : | 99.24 Ų |
GI absorption : | High |
BBB permeant : | No |
P-gp substrate : | No |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -6.36 cm/s |
Log Po/w (iLOGP) : | 2.84 |
Log Po/w (XLOGP3) : | 2.88 |
Log Po/w (WLOGP) : | 2.32 |
Log Po/w (MLOGP) : | 1.41 |
Log Po/w (SILICOS-IT) : | 2.32 |
Consensus Log Po/w : | 2.36 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -3.52 |
Solubility : | 0.104 mg/ml ; 0.000301 mol/l |
Class : | Soluble |
Log S (Ali) : | -4.62 |
Solubility : | 0.00819 mg/ml ; 0.0000238 mol/l |
Class : | Moderately soluble |
Log S (SILICOS-IT) : | -5.0 |
Solubility : | 0.00342 mg/ml ; 0.00000993 mol/l |
Class : | Moderately soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 3.12 |
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: |
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* 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 |
---|---|---|
92% | Stage #1: With thionyl chloride In dichloromethane for 3 h; Heating / reflux Stage #2: With dmap; triethylamine In dichloromethane at 0℃; for 1 h; |
Step 8 2-Methyl-4-(2-propoxybenzoylamino)-5-propyl-2H-pyrazole-3-carboxamide: A solution of 2-propoxybenzoic acid (13.7 g, 76.1 mmol) and thionyl chloride (36.2 g, 304.4 mmol) in dry dichloromethane (80 mL) was heated for 3 hours at reflux. The solvent and excess thionyl chloride were distilled off under reduced pressure. The residue was taken up in dry dichloromethane (60 mL) and reacted with a solution of 4-amino-2-methyl-5-propyl-2H-pyrazole-3-carboxamide (12.6 g, 69.2 mmol), dry triethylamine (7 g, 69.2 mmol) and 4-(N,N-dimethylamino)pyridine (84.5 mg, 0.7 mmol) in dry dichloromethane (200 mL) at 0° C. Stirring was maintained for 1 hour, and the reaction mixture was successively washed with water (150 mL), saturated aqueous sodium carbonate solution (200 mL) and saturated brine (200 mL). The organic layer was dried over anhydrous magnesium sulfate and filtered. The filtrate was concentrated to about 60 mL, and then hexane (150 mL) was added to give precipitate product as a white solid (22 g, 92percent). 1H NMR (300 MHz, CDCl3) δ 9.47 (s, 1H), 8.28 (d, 1H, J=7.8 Hz), 7.87 (br.s, 1H), 7.57-7.52 (m, 1H), 7.16-7.05 (m, 2H), 5.53 (s, 1H), 4.20 (t, 2H, J=6.6 Hz), 4.09 (s, 3H), 2.54 (t, 2H, J=7.5 Hz), 1.97-1.85 (m, 2H), 1.69-1.26 (m, 2H), 1.07 (t, 3H, J=7.2 Hz), 0.95 (t, 3H, J=7.5 Hz). LC-MS: m/z=345 (M+H)+ |
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