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CAS No. : | 402927-97-3 | MDL No. : | MFCD06805736 |
Formula : | C6H14N2O2S | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | FLQSRSQNICPZIH-UHFFFAOYSA-N |
M.W : | 178.25 | Pubchem ID : | 11355826 |
Synonyms : |
|
Num. heavy atoms : | 11 |
Num. arom. heavy atoms : | 0 |
Fraction Csp3 : | 1.0 |
Num. rotatable bonds : | 1 |
Num. H-bond acceptors : | 4.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 47.32 |
TPSA : | 71.78 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) : | -8.01 cm/s |
Log Po/w (iLOGP) : | 0.87 |
Log Po/w (XLOGP3) : | -0.87 |
Log Po/w (WLOGP) : | 0.07 |
Log Po/w (MLOGP) : | -0.96 |
Log Po/w (SILICOS-IT) : | -0.92 |
Consensus Log Po/w : | -0.36 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -0.33 |
Solubility : | 83.2 mg/ml ; 0.467 mol/l |
Class : | Very soluble |
Log S (Ali) : | -0.16 |
Solubility : | 125.0 mg/ml ; 0.699 mol/l |
Class : | Very soluble |
Log S (SILICOS-IT) : | -0.33 |
Solubility : | 84.1 mg/ml ; 0.472 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 2.09 |
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 |
---|---|---|
99% | With trifluoroacetic acid In dichloromethane at 20℃; for 16 h; | 6.30 g (22.63 mmol) of (1-methanesulfonyl-piperidin-4-yl)-carbamic acid tert-butyl ester are dissolved in DCM (74 mL) and 17.4 mL (226 mmol) TFA are added. The reaction is stirred at RT for 16 h. The solvent is removed under reduced pressure. The crude product is diluted with diethylether at 40° C., the precipitate is filtered, washed with water and dried. The product is dissolved in MeOH, polymer supported hydrogencarbonate (PL-HCO3 MP Resin, Agilent Technologies) is added and the suspension is stirred for a few minutes. The resin is filtered and the solvent is removed under reduced pressure to afford 4.00 g of 1-methanesulfonyl-piperidin-4-ylamine. Yield: 99percent; ESI-MS: 179 [M+H]+; HPLC (Rt): 0.26 min (method E) |
99% | Stage #1: With trifluoroacetic acid In dichloromethane at 20℃; for 16 h; |
6.30 g (22.63 mmol) of (1 -methanesulfonyl-piperidin-4-yl)-carbamic acid tert-butyl ester are dissolved in DCM (74 mL) and 17.4 mL (226 mmol) TFA are added. The reaction is stirred at RT for 16 h. The solvent is removed under reduced pressure. The crude product is diluted with diethylether at 40 °C, the precipitate is filtered, washed with water and dried. The product is dissolved in MeOH, polymer supported hydrogencarbonate (PL-HC03 MP Resin, Agilent Technologies) is added and the suspension is stirred for a few minutes. The resin is filtered and the solvent is removed under reduced pressure to afford 4.00 g of 1 -methanesulfonyl-piperidin- 4-ylamine. Yield: 99percent; ESI-MS: 179 [M+H]+; HPLC (Rt): 0.26 min (method E) |
80% | With trifluoroacetic acid In dichloromethane at 20℃; for 1.5 h; | Intermediate 7: 1-(methylsulfonyl)piperidin-4-amine To a solution of tert-butyl (1-(methylsulfonyl)piperidin-4-yl)carbamate (2.72 g; 9.77 mmol) in DCM (30 mL) was added TFA (10.6 mL; 143 mmol). The mixture was stirred at r.t. for 1.5 hours and concentrated in vacuo. The residue was triturated with diethyl ether (30 mL), filtered, and washed with diethyl ether (30 mL). The solid was dissolved in H2O (60 mL), basified with aqueous NaOH to pH=11, and extracted with DCM/i-PrOH (10/1, 60 mL*10). The combined organic layers were dried over anhydrous Na2SO4, filtered, and concentrated to afford 1.4 g (80percent) of the title compound as a yellow oil. LC-MS: m/z 179.0 [M+H]+. 1H NMR (300 MHz, CDCl3) δ [ppm]: 3.50-3.38 (m, 2H), 2.82 (s, 3H), 2.80-2.61 (m, 3H), 1.80-1.70 (m, 2H), 1.33-1.23 (m, 2H). |
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