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CAS No. : | 21252-69-7 | MDL No. : | MFCD00467256 |
Formula : | C11H20N2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | KLMZKZJCMDOKFE-UHFFFAOYSA-N |
M.W : | 180.29 | Pubchem ID : | 161351 |
Synonyms : |
|
Num. heavy atoms : | 13 |
Num. arom. heavy atoms : | 5 |
Fraction Csp3 : | 0.73 |
Num. rotatable bonds : | 7 |
Num. H-bond acceptors : | 1.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 57.14 |
TPSA : | 17.82 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | No |
CYP1A2 inhibitor : | Yes |
CYP2C19 inhibitor : | Yes |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | Yes |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -5.01 cm/s |
Log Po/w (iLOGP) : | 2.8 |
Log Po/w (XLOGP3) : | 3.36 |
Log Po/w (WLOGP) : | 3.24 |
Log Po/w (MLOGP) : | 1.92 |
Log Po/w (SILICOS-IT) : | 2.67 |
Consensus Log Po/w : | 2.8 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 1.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -2.9 |
Solubility : | 0.228 mg/ml ; 0.00127 mol/l |
Class : | Soluble |
Log S (Ali) : | -3.41 |
Solubility : | 0.0698 mg/ml ; 0.000387 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -3.63 |
Solubility : | 0.0424 mg/ml ; 0.000235 mol/l |
Class : | Soluble |
PAINS : | 0.0 alert |
Brenk : | 0.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.73 |
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 |
---|---|---|
89% | Stage #1: With sodium hydroxide In dimethyl sulfoxide at 90℃; for 2 h; Stage #2: at 20 - 65℃; for 19 h; |
A mixture of imidazole (1 .36 g, 20.0 mmol) and sodium hydroxide (0.80 g, 20.0 mmol) in DMSO was heated to 90 °C for 2 h, and then cooled to room temperature. A solution of 1 -bromooctane (3.46 g, 19.0 mmol) in DMSO was added dropwise to the mixture. After stirring at room temperature for 3 h, the mixture was heated up slowly to 65 °C for 16 h with constant stirring. The solution obtained was mixed with water and the product was extracted 4 times with diethyl ether. The diethyl ether phases were combined and dried with sodium sulfate. Diethyl ether was removed under vacuum and the intermediate (9) was obtained as yellow liquid (2.89 g, 89 percent). 1 H NMR (DMSO-d6): δ 7.61 (s, 2H), 7.15 (s, 1 H), 6.87 (s, 1 H), 3.93 (t, 2H), 1 .68 (m, 2H), 1 .25 (m, 10H), 0.85 (t, 3H). |
87.7% | With sodium hydroxide In dimethyl sulfoxide at 20 - 25℃; Inert atmosphere | To a flask equipped with a stirrer, Add the thermometer to the three necked flask 0 · 440 g (11.0 mmol) of NaOH, 0.714 g (10.5 mmol) of imidazole and 10 mL of dimethylsulfoxide (DMSO) were stirred under nitrogen at 20 ° C to 25 ° C to give a clear solution. To this was added dropwise 1.93 g (10.0 mmol)Bromo octane, reaction 4 ~ 6 h, the reaction into 10 mL of water extracted with chloroform 3 X 10 mL, and then washed with water chloroform layer 4 ~ 5 times, and then dried with anhydrous MgS04, filtered to get the filtrate, Removal of chloroform yielded a pale yellow liquid, 1.58 g of N-octylimidazole, in 87.7percent yield. |
85% | With sodium hydroxide In tetrahydrofuran; waterReflux | General procedure: A solution of imidazole 3 (30 mmol) in THF (60 mL) was treated with NaOH (25 mL, 40percent aq) and the alkyl bromide (30 mmol), and the reaction was refluxed overnight. The solvent was evaporated and the crude reaction mixture was extracted with CH2Cl2 against water. The organic layer was washed with water, dried over MgSO4 and concentrated. The final product was distilled under vacuum (~5 mbar) to provide 4 as yellow oily liquid in 80-85percent yield. |
82.3% | Stage #1: With potassium hydroxide In dimethyl sulfoxide at 20℃; for 2 h; Stage #2: for 4 h; |
General procedure: A mixture of imidazole (30 mmol, 2.04 g), potassiumhydroxide (30 mmol, 1.68 g) and dimethyl sulfoxide(10 mL) was stirred for 2 h at room temperature. Afterthat, alkyl bromide (25.0 mmol of 1-bromohexane, 1-bromooctane,1-bromodecane, 1-bromododecane, 1-bromotetradecane,1-bromohexadecane, or 1-bromooctadecane)was dropped in slowly and the mixture was stirred for anadditional 4 h. Upon completion, water (30 mL) was addedto the resulting mixture followed by extraction with chloroform(5 x 30 mL). The combined organic layer wasdried over anhydrous magnesium sulfate and the filtratewas concentrated under reduced pressure. The residue wassubjected to flash chromatography with ethyl acetate aseluent to give N-alkyl imidazole. The respective yields ofN-hexyl imidazole, N-octyl imidazole, N-decyl imidazole,N-dodecyl imidazole, N-tetradecyl imidazole, N-hexadecylimidazole and N-octadecyl imidazole are 84.6, 82.3, 81.2,80.5, 80.4, 79.8 and 79.6 percent. |
60% | Stage #1: With sodium hydride In tetrahydrofuran for 0.75 h; Inert atmosphere; Cooling with ice Stage #2: at 20℃; for 24 h; Inert atmosphere |
Imidazole (3.41 g, 50 mmol) and NaH (1.34 g, 54 mmol) were dissolved in THF (10 mL) under N2 in an ice bath for 45 min, followed by addition of 1-bromooctane (9.65 g, 50 mmol). The solution was stirred for 24 h at room temperature and then concentrated under reduced pressure after filtration.The residue was purified by flash chromatography (SiO2; petroleum ether/ethyl acetate5 : 1 as eluent) to give 1 as alight yellow oil (5.97 g, 60 percent). δH (CDCl3, 400 MHz) 7.42 (1H, s), 7.01 (1H, s), 6.87 (1H, s), 3.89 (2H, t, J 8.0), 1.76–1.73 (2H, m), 1.31–1.25 (10H, m), 0.87 (3H, t, J 7.2). δC (CDCl3, 100 MHz) 136.2, 128.4, 118.1, 46.4, 31.2, 30.6, 28.6, 28.5,26.0, 22.1, 13.6. m/z (ESI) 181 ([M + H]+). m/z 181.1708. HRMS (ESI) Anal. Calc. for C11H21N2 ([M + H]+) 181.1705. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | With potassium carbonate In acetoneReflux | General procedure: Briefly, a mixture of imidazole (100 mmol), alkyl bromide (100 mmol) and K2CO3 (200 mmol) inacetone (200 mL) was refluxed overnight. Upon filtration and solvent removal, the remaining residuewas subjected to flash chromatography with ethyl acetate to produce >90percent yield. |
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