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CAS No. : | 273404-37-8 | MDL No. : | MFCD23102811 |
Formula : | C24H33ClN4O6 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | SJDDOCKBXFJEJB-MOKWFATOSA-N |
M.W : | 509.00 | Pubchem ID : | 11398092 |
Synonyms : |
Belnacasan
|
Num. heavy atoms : | 35 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.58 |
Num. rotatable bonds : | 11 |
Num. H-bond acceptors : | 6.0 |
Num. H-bond donors : | 3.0 |
Molar Refractivity : | 133.66 |
TPSA : | 140.06 Ų |
GI absorption : | High |
BBB permeant : | No |
P-gp substrate : | Yes |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | Yes |
Log Kp (skin permeation) : | -7.74 cm/s |
Log Po/w (iLOGP) : | 3.19 |
Log Po/w (XLOGP3) : | 2.35 |
Log Po/w (WLOGP) : | 1.48 |
Log Po/w (MLOGP) : | 1.19 |
Log Po/w (SILICOS-IT) : | 2.02 |
Consensus Log Po/w : | 2.05 |
Lipinski : | 1.0 |
Ghose : | None |
Veber : | 2.0 |
Egan : | 1.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -3.88 |
Solubility : | 0.0675 mg/ml ; 0.000133 mol/l |
Class : | Soluble |
Log S (Ali) : | -4.93 |
Solubility : | 0.00597 mg/ml ; 0.0000117 mol/l |
Class : | Moderately soluble |
Log S (SILICOS-IT) : | -4.7 |
Solubility : | 0.0102 mg/ml ; 0.00002 mol/l |
Class : | Moderately soluble |
PAINS : | 0.0 alert |
Brenk : | 1.0 alert |
Leadlikeness : | 2.0 |
Synthetic accessibility : | 4.69 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302 | 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 |
---|---|---|
With sodium hydroxide In DMF (N,N-dimethyl-formamide); water; ethyl acetate at 0 - 25℃; for 6.5 - 8h; | 6.3 Separately, 23.5 g of N-Methylmorpholine is added to a mixture of 33.1 g of 4-Amino-chloro-benzoic acid 34.4 g of 2- Chloro-4,6-dimethoxytriazine (DMT-Cl) in 300 ml of ethyl acetate over 20-30 minutes at ambient temperature for 2-3 hours at 23- 27°C to obtain the DMT active ester of 4-Amino-3-chlorobenzoic acid. The mixture is cooled to 0° to +5°C and 30 0 ml of purified water are added to the solution keeping temperature in the same range. The solution of the deprotected t-leucirae product as the citrate salt is added at 0°C to +5°C over 30-60 minutes, the reaction mixture is then brought to pH 6.5-7. 5 by adding 30% sodium hydroxide (approx. amount: 71 ml), and stirred 6-7 hrs at 20° to 25°C. After completion of the reaction, the phases are separated and the organic layer added to sodium bisulfate solution (15 g of sodium bisulfate in 235 ml of water) and stirred for 3 hrs at 20°C to 25°C. The phases azre separated and the organic layer is washed four times with water (150 ml each), twice with sodium bicarbonate solution (total: 20 g of sodium bicarbonate in 400 ml of water), and once with 1 50 ml of water. To the solution is added 10 g of activated charcoal and 10 g of Dicalite and filtered and the solids washed with 100 ml of ethyl acetate. The filtrate was distilled under vacuum to a volume of 200 ml at < 40°C when the resultant mixture crystallizes. Ethyl acetate (150 ml) was added to a total volume of 350 ml. N- heptane (300 ml) was added over 2 hrs and after stirring the slurry for 3 hrs at 20° to 25°, the solid was filtered, washed with ethyl acetate/N-Heptane (100 ml, 1: 1) and dried at 60°C under vacuum. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1: 10% Pd/C; hydrogen / methanol; ethyl acetate / 18 h 2: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 18.67 h / 0 - 20 °C 3: trifluoroacetic acid / dichloromethane / 3 h / 20 °C / Inert atmosphere 4: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 18.17 h / 0 - 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: trifluoroacetic acid / dichloromethane / 3 h / 20 °C / Inert atmosphere 2: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 18.17 h / 0 - 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
11.2 g | With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 18.17h; | Synthesis of 1-[2-(4-amino-3-chlorobenzoylamino)-3,3-dimethylbutyryl]pyrrolidine-2-carboxylic acid (2-ethoxy-5-oxotetrahydrofuran-3-yl)amide (I-A) Synthesis of 1-[2-(4-amino-3-chloro-benzoylamino)-3,3-dimethyl-butyryl]-pyrrolidine-2-carboxylic acid (2-ethoxy-5-oxo-tetrahydro-furan-3-yl)-amide (I-A) ;To a solution of 6 (5.05 g, 22.0 mmol) in CH2Cl2 (50 mL) at 0° C. was added 1,3-dimethylbarbituric acid (DMBA) (3.78 g, 24.2 mmol) and Pd(PPh3)4 (0.15 g, 0.13 mmol). After 10 minutes, a solution of 5 (8.40 g, 22.0 mmol) in DMF (25 mL) was added followed by diisopropylethylamine (DIPEA) (7.66 mL, 44.1 mmol), (2.98 g, 22.0 mmol) and EDC (5.06 g, 26.4 mmol). The solution was stirred at 0° C. for 10 minutes then at room temperature for 18 hours. The reaction was diluted with EtOAc (200 mL), washed with 0.5N NaHSO4 (2*200 mL), 10% NaHCO3 (2*200 mL), saturated NaCl (1*150 mL), dried over anhydrous MgSO4, and evaporated to dryness. Flash column chromatography on silica gel using CH2Cl2/MeOH, (99/1 to 98/2%) afforded the title compound as a white solid (11.20 g, 77% yield): 1H-NMR (500 MHz, CDCl3) δ 1.08 (s, 9H), 1.27 (t, 3H), 1.85-1.99 (m, 1H), 2.00-2.06 (m. 1H), 2.07-2.18 (m, 1H), 2.32-2.48 (m, 2H), 2.78-2.89 (m, 1H), 3.62-3.76 (m, 2H), 3.82-3.96 (m, 2H), 4.39 (s, 1H), 4.54-4.60 (m, 1H), 4.62-4.76 (m, 1H), 4.85 (d, 1H), 6.57 (d, 1H), 6.73 (d, 1H), 7.38 (d, 1H), 7.49 (d, 1H), 7.72 (s, 1H). Analytical HPLC (cyano column): 13.10 min. LC-MS (ES+) m/e=509.4 (M+H), m.p.=96-99° C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 18.67 h / 0 - 20 °C 2: trifluoroacetic acid / dichloromethane / 3 h / 20 °C / Inert atmosphere 3: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 18.17 h / 0 - 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: 1,3-dimethylbarbituric acid; tetrakis(triphenylphosphine) palladium(0) / dichloromethane / 0.17 h / 0 °C 2: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 18.17 h / 0 - 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 6 steps 1: sodium hydrogencarbonate / water / 21 h / 0 - 20 °C 2: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane; N,N-dimethyl-formamide / 5.17 h / 0 - 20 °C 3: 10% Pd/C; hydrogen / methanol; ethyl acetate / 18 h 4: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 18.67 h / 0 - 20 °C 5: trifluoroacetic acid / dichloromethane / 3 h / 20 °C / Inert atmosphere 6: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane; N,N-dimethyl-formamide / 18.17 h / 0 - 20 °C |