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CAS No. : | 1234015-52-1 | MDL No. : | MFCD25977016 |
Formula : | C18H19N7O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | DOTGPNHGTYJDEP-UHFFFAOYSA-N |
M.W : | 365.39 | Pubchem ID : | 46700756 |
Synonyms : |
Ly2606368;ACR 368
|
Chemical Name : | 5-((5-(2-(3-Aminopropoxy)-6-methoxyphenyl)-1H-pyrazol-3-yl)amino)pyrazine-2-carbonitrile |
Num. heavy atoms : | 27 |
Num. arom. heavy atoms : | 17 |
Fraction Csp3 : | 0.22 |
Num. rotatable bonds : | 8 |
Num. H-bond acceptors : | 7.0 |
Num. H-bond donors : | 3.0 |
Molar Refractivity : | 99.18 |
TPSA : | 134.76 Ų |
GI absorption : | High |
BBB permeant : | No |
P-gp substrate : | Yes |
CYP1A2 inhibitor : | Yes |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | Yes |
CYP2D6 inhibitor : | Yes |
CYP3A4 inhibitor : | Yes |
Log Kp (skin permeation) : | -7.56 cm/s |
Log Po/w (iLOGP) : | 2.59 |
Log Po/w (XLOGP3) : | 1.36 |
Log Po/w (WLOGP) : | 2.22 |
Log Po/w (MLOGP) : | -0.71 |
Log Po/w (SILICOS-IT) : | 2.15 |
Consensus Log Po/w : | 1.52 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 1.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -2.9 |
Solubility : | 0.46 mg/ml ; 0.00126 mol/l |
Class : | Soluble |
Log S (Ali) : | -3.79 |
Solubility : | 0.0589 mg/ml ; 0.000161 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -6.34 |
Solubility : | 0.000169 mg/ml ; 0.000000461 mol/l |
Class : | Poorly soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 2.0 |
Synthetic accessibility : | 3.45 |
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 |
---|---|---|
74% | In methanol;Sonographic reaction; | Example 4; 5 -(5 -(2-(3 -Aminopropoxy)-6-methoxyphenyl)- 1 H-pyrazol-3 -ylamino)pyrazine-2- carbonitrile methanesulfonic acid salt; -30-5-(5-(2-(3-aminopropoxy)-6-methoxyphenyl)-lH-pyrazol-3-ylamino)pyrazine-2- carbonitrile (1.0 g, 2.74 mmol) is suspended in MeOH (100 mL). A I M solution of methanesulfonic acid in MeOH (2.74 mL, 2.74 mmol) is added to the mixture dropwise with stirring. The solid nearly completely dissolves and is sonicated and stirred for 15 min, filtered, and concentrated to 50 mL. The solution is cooled overnight at -15 0C and the solid that forms is collected by filtration. The solid is dried in a vacuum oven overnight to give 0.938 g (74%) of a yellow solid. 1H NMR (400 MHz, DMSO-d6) δ 1.97 (m, 2H), 2.28 (s, 3H), 2.95 (m, 2H), 3.79 (s, 3H), 4.09 (t, J = 5.9 Hz, 2H), 6.753 (d, J = 8.4 Hz, IH), 6.766 (d, J = 8.4 Hz, IH), 6.85 (br s, IH), 7.33 (t, J = 8.4 Hz, IH), 7.67 (br s, 3H), 8.49 (br s, IH), 8.64 (s, IH), 10.70 (s, IH), 12.31 (s, IH). LC-ES/MS m/z 366.2 [M+l]+. |
74% | In methanol; for 0.25h;Sonication; | 5-(5-(2-(3-Aminopropoxy)-6-nethoxyphenyl)- IH-pyrazoi-3-yiamino)pyrazine-2- carbonitrile (1.0 g, 2.74 mmol) is suspended in MeOH (100 mL). A 1 M solution of methanesulfonic acid in MeOH (2.74 mL, 2,74 mmol) is added to the mixture dropwisewith stirring. The solid nearly completely dissolves and is sonicated and stirred for 15minutes, filtered, and concentrated to 50 niL. The solution is cooled overnight at -15 Cand the solid that flirnis is collected by filtration. The solid is dried in a vacuum ovenovernight to give (0.93 8 g, 74%) of a yellow solid. ‘H NMR (400 MHz, d6-DMSO) 51.97 (m, 2H), 2.28 (s, 3H), 2.95 (m. 2H), 3.79 (s. 3H), 4.09 (t, J 5.9 Hz, 2H), 6.753 (d, J= 8.4 Hz, IH), 6.766 (d, J = 8.4 Hz, 1H), 6.85 (hr s, IH), 7.33 (t, J = 8.4 Hz, IH), 7.67 (br s, 3H), 8,49 (br s, IFI), 8.64 (s, IFI), 10.70 (s, 1H), 12.31 (s, 11-1). LC-ES/MS m/z 366.2 [M+1]+ |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | With sodium hydroxide; In dichloromethane; water; at 20℃;Inert atmosphere; | Example 3; 5 -(5 -(2-(3 -Aminopropoxy)-6-methoxyphenyl)- 1 H-pyrazol-3 -ylamino)pyrazine-2- carbonitrile; 5-(5-(2-(3-Aminopropoxy)-6-methoxyphenyl)-lH-pyrazol-3-ylamino)pyrazine-2- carbonitrile dihydrogen chloride salt (3.0 g, 6.84 mmol) is suspended in 200 mL of CH2Cl2. 1 N NaOH is added (200 mL, 200 mmol). The mixture is magnetically stirred under nitrogen at room temperature for 5 h. The solid is collected by filtration and washed thoroughly with water. The filter cake is dried in vacuo at 50 0C overnight to give 2.26 g (90%) of the free base as a yellow solid. 1H NMR (400 MHz, DMSO-d6) δ 1.81 (m, 2H), 2.73 (t, J = 6.2 Hz, 2H), 3.82 (s, 3H), 4.09 (t, J = 6.2 Hz, 2H), 6.76 (t, J = 8.2 Hz, 2H), 6.93 (br s, IH), 7.31 (t, J = 8.2 Hz, IH), 8.52 (br s, IH), 8.67 (s, IH). LC- MS /ES m/z 366.2 [M+ 1]+. |
90% | With sodium hydroxide; In dichloromethane; water; at 20℃; for 5.0h;Inert atmosphere; | 5-(5-(2-(3-Aminopropoxy)-6-methoxyphenyl)-1H-pyrazol-3-ylamino)pyrazine-2-carbonitrile dihydrogen chloride salt (3.0 g, 6.84 mmol) is suspended in 200 mL of CH2Cl2.1N NaOH is added (200 mL, 200 mmol). The mixture is magnetically stirred under nitrogen at room temperature for 5 h. The solid is collected by filtration and washed thoroughly with water. The filter cake is dried in vacuo at 50 C. overnight to give 2.26 g (90%) of the free base as a yellow solid. 1H NMR (400 MHz, DMSO-d6) δ 1.81 (m, 2H), 2.73 (t, J=6.2 Hz, 2H), 3.82 (s, 3H), 4.09 (t, J=6.2 Hz, 2H), 6.76 (t, J=8.2 Hz, 2H), 6.93 (br s, 1H), 7.31 (t, J=8.2 Hz, 1H), 8.52 (br s, 1H), 8.67 (s, 1H). LC-MS/ES m/z 366.2 [M+1]+. |
90% | With sodium hydroxide; In dichloromethane; at 20℃; for 5.0h;Inert atmosphere; | 5-(5-(2-(3-Aniinopropoxy)-6-methoxyphenyi)- IH-pyrazol-3-ylarnino)pyrazine-2-carbonitrile dihydrogen chloride salt (3.0 g, 6,84 mniol) is suspended in CH2CI2 (200 ml ‘ 1 N 1aOH is added (200 ml , 200 rnmol) Ihe mixture is magnLflcally stirred under nitrogen at room temperature for 5 hours. The solid is collected by filtration and washed thoroughly with water. The filter cake is dried in vacuo at 50 C overnight to give (2.26 g, 90%) of the free base as a yellow solid. ‘H NMR (400 MHz, d-DMSO) 1.81 (m, 2H), 2.73 (t, J 6.2 Hz, 2H), 3.82 (s. 3H), 4.09 (t, J 6.2 Hz, 211), 6.76 (t, J8.2 2H), 6.93 (br s, 1H), 7.31 (t, J 8.2 Hz, IH), 8.52 (br s, IH), 8.67 (s, 1H). LCMS/ES mz 366.2 [M+1]+ |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Example 1; 5-(5-(2-(3-Aminopropoxy)-6-methoxyphenyl)-lH-pyrazol-3-ylamino)pyrazine-2- carbonitrile formic acid salt; -21-A l M solution of lithium hexamethyl disilazane in THF (7.6 mL, 7.6 mmol) is added slowly to a stirred solution of tert-butyl 3-(2-acetyl-3- methoxyphenoxy)propylcarbamate (1.08 g , 3.17 mmol) in dry THF (25 mL) at room temperature. After stirring for 10 min, 5-isothiocyanatopyrazine-2-carbonitrile (0.510 g, 3.17 mmol) in THF (4 mL) is added and stirring is continued for 30 min. The reaction mixture is concentrated, and redissolved in ethanol (50 mL) and acetic acid (5 mL), followed by addition of hydrazine hydrate (2 mL). The resulting reaction mixture was then heated to 120 0C for 2 min. The reaction mixture is then cooled to room temperature, diluted with water (100 mL), and extracted with ethyl acetate (2 x 100 mL). The organic portion is dried over anhydrous Na2SO4, filtered, and concentrated. The crude product is redissolved in dichloromethane (50 mL) and treated with trifluoroacetic acid (10 mL) and stirred at room temp for 15 min. The solvent is removed and the crude product (1.20 g) is purified using preparative HPLC to afford 0.046 g of the title compound. LC-ES/MS m/z 366.1 [M+H]+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
74% | In methanol; at -15℃;Sonication; | 5-(5-(2-(3-aminopropoxy)-6-methoxyphenyl)-1H-pyrazol-3-ylamino)pyrazine-2-carbonitrile (1.0 g, 2.74 mmol) is suspended in MeOH (100 mL). A 1 M solution of methanesulfonic acid in MeOH (2.74 mL, 2.74 mmol) is added to the mixture dropwise with stirring. The solid nearly completely dissolves and is sonicated and stirred for 15 min, filtered, and concentrated to 50 mL. The solution is cooled overnight at -15 C. and the solid that forms is collected by filtration. The solid is dried in a vacuum oven overnight to give 0.938 g (74%) of a yellow solid. 1H NMR (400 MHz, DMSO-d6) δ 1.97 (m, 2H), 2.28 (s, 3H), 2.95 (m, 2H), 3.79 (s, 3H), 4.09 (t, J=5.9 Hz, 2H), 6.753 (d, J=8.4 Hz, 1H), 6.766 (d, J=8.4 Hz, 1H), 6.85 (br s, 1H), 7.33 (t, J=8.4 Hz, 1H), 7.67 (br s, 3H), 8.49 (br s, 1H), 8.64 (s, 1H), 10.70 (s, 1H), 12.31 (s, 1H). LC-ES/MS m/z 366.2 [M+1]+. |