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CAS No. : | 39996-22-0 | MDL No. : | MFCD06739588 |
Formula : | C15H15NO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | WNMYELHTHAILAM-UHFFFAOYSA-N |
M.W : | 257.28 | Pubchem ID : | 7148512 |
Synonyms : |
|
Num. heavy atoms : | 19 |
Num. arom. heavy atoms : | 12 |
Fraction Csp3 : | 0.13 |
Num. rotatable bonds : | 4 |
Num. H-bond acceptors : | 3.0 |
Num. H-bond donors : | 1.0 |
Molar Refractivity : | 73.7 |
TPSA : | 61.55 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | No |
CYP1A2 inhibitor : | Yes |
CYP2C19 inhibitor : | Yes |
CYP2C9 inhibitor : | Yes |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | Yes |
Log Kp (skin permeation) : | -5.68 cm/s |
Log Po/w (iLOGP) : | 2.46 |
Log Po/w (XLOGP3) : | 3.08 |
Log Po/w (WLOGP) : | 2.53 |
Log Po/w (MLOGP) : | 1.66 |
Log Po/w (SILICOS-IT) : | 2.71 |
Consensus Log Po/w : | 2.49 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -3.58 |
Solubility : | 0.0678 mg/ml ; 0.000264 mol/l |
Class : | Soluble |
Log S (Ali) : | -4.04 |
Solubility : | 0.0235 mg/ml ; 0.0000912 mol/l |
Class : | Moderately soluble |
Log S (SILICOS-IT) : | -4.76 |
Solubility : | 0.00444 mg/ml ; 0.0000173 mol/l |
Class : | Moderately soluble |
PAINS : | 1.0 alert |
Brenk : | 1.0 alert |
Leadlikeness : | 0.0 |
Synthetic accessibility : | 2.22 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P301+P312-P302+P352-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 |
---|---|---|
43% | With pyridine; for 36h;Heating / reflux; | Heat under reflux for 36 hours under an inert atmosphere a mixture of 4.5 g (17.6 mmol) of <strong>[39996-22-0](2-amino-4,5-dimethoxyphenyl)(phenyl)methanone</strong> (XXIaa), 5 g (36 mmol) of ethyl glycinate hydrochloride, and 30 ml of anhydrous pyridine. Add four 2.5 g (18 mmol) fractions of ethyl glycinate hydrochloride, every 6 hours. Allow to equilibrate to room temperature. Evaporate to dryness. Add 200 ml of water. Extract three times with 300 ml of dichloromethane. Dry the organic fractions on Na2SO4 Purify by chromatography (AcOEt 3/hexane 1/3% triethylamine). Recrystallize in EtOH/EtO2. One obtains 2.2 g of the abovenamed product in the form of colorless crystals. Yield: 43%. M:248-250 C. 1H-NMR (CDCl3, 200 MHz): d 3.71 (s, 3H, OCH3), 3.95 (s, 3H, OCH3), 4.31 (s, 2H, CH2), 6.64 (s, 1H Ar), 6.70 (s, 1H Ar), 7.27-7.59 (m, 5H Ar), 9.40 (s, 1H exchangeable, -NH). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
73% | Under an inert atmosphere at 0 C., add to a solution of 35 ml of boron tribromide (1M/CH2Cl2, 35.8 mmol), 5 g of 3,4-dimethoxyaniline (32.6 mmol) dissolved in 30 ml of dichloroethane, 6.7 ml of benzonitrile (65.2 mmol), and 4.79 g of AlCl3 (35.8 mmol).Stir at room temperature for 30 minutes.Evaporate the dichloromethane.Heat under reflux for 12 hours.Allow to cool.Add 35 ml of 1 M HCl at 0 C., stir at 75 C. for 1 hour.Add 150 ml of water and extract three times with 200 ml of CH2Cl2.Dry the organic fractions on Na2SO4.Purify by chromatography (AcOEt 1/hexane 2).One obtains 6.1 g of the abovenamed product as a yellow powder. Yield: 73%. 1H-NMR (CDCl3, 300 MHz): d 3.66 (s, 3H, -OCH3), 3.92 (s, 3H, -OCH3), 6.22 (s, 2H exchangeable+1H, 1H Ar+-NH2), 6.95 (s, 1H Ar), 7.46-7.51 (m, 3H Ar), 7.61-7.64 (m, 2H Ar). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
65% | With hydrogen bromide; In water; dimethyl sulfoxide; at 0 - 60℃; for 24h; | To a solution of 900 mg (3.5 mmol) of <strong>[39996-22-0](2-amino-4,5-dimethoxyphenyl)(phenyl)methanone</strong> (XXIaa) in 60 ml of DMSO, add dropwise at 0 C. 15 g of HBr 40% by weight in water.Heat at 60 C. for 24 hours.Add 400 ml of H2O and extract four times with 200 ml of AcOEt; dry on MgSO4, evaporate the AcOEt and purify by silica chromatography (AcOEt 1/hexane 4). Yield: 65%. 1H-NMR (CDCl3, 300 MHz): d 3.67 (s, 3H, OCH3), 3.97 (s, 3H, OCH3), 6.59 (s, 2H, NH2), 7.06 (s, 1H Ar), 7.47-7.65 (m, 5H Ar). Mass: (M+H)+=335.98+337.98. |
65% | With hydrogen bromide; In water; dimethyl sulfoxide; at 60℃; for 24h; | (2-amino-3-bromo-4.5-dimethoxyphenyl)(phenyl)methanone, 27f; 15 g of 40% HBr by weight in water were added dropwise at 0 C. to a solution of 900 mg (3.5 mmoles) of 2-amino-4,5-dimethoxybenzophenone 2c in 60 ml of DMSO. The reaction was heated at 60 C. for 24 hours. 400 ml of water were added and the mixture was extracted with 4×200 ml of EtOAc and dried on MgSO4. The EtOAc was evaporated and the product was purified by chromatography on silica gel (EtOAc/hexane, 1:4). Yield: 65%. 1H NMR (CDCl3, 300 MHz): d 3.67 (s, 3H, OCH3), 3.97 (s, 3H, OCH3), 6.59 (s, 2H, NH2), 7.06 (s, 1H Ar), 7.47-7.65 (m, 5H Ar). Mass: (M +H)+=335.98+337.98. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
45% | With hydrogen bromide; In water; at 95℃; for 12h; | To 400 mg (1.55 mmol) of <strong>[39996-22-0](2-amino-4,5-dimethoxyphenyl)(phenyl)methanone</strong> (XXIaa), add dropwise 2.1 ml of HBr 40% by weight in water.Heat at 95 C. for 12 hours.At 0 C. add ammonia to PH=8.9.Add 100 ml H2O and extract three times with 100 ml of CH2Cl2.Dry on MgSO4, evaporate the CH2Cl2 and purify by silica chromatography (AcOEt 1/hexane 4 then 1/1). Yield: 45%. 1H-NMR (CDCl3, 200 MHz): d 3.92 (s, 3H, OCH3), 6.20 (s, 1H Ar), 7.00 (s, 1H Ar), 7.42-7.61 (m, 5H Ar). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
75% | With tert.-butylhydroperoxide; In water; acetonitrile; at 70 - 75℃; for 6.5h; | General procedure: To a magnetically stirred 2-amino benzo/acetophenone (1.0 mmol) in acetonitrile (10 mL), benzylamine (2.5 mmol), graphite oxide 10 wt % (with respect to 2-amino benzo/acetophenone), and TBHP (200 μL of 70 % aqueous solution) were added at 70-75 C until the reaction goes for completion as indicated by TLC. After completion of the reaction, the catalyst was separated by filtration and washed with water for reuse. The reaction mixture was concentrated to remove acetonitrile. After evaporation of the solvent under reduced pressure, the crude residue was extracted with ethylacetate and the combined organic layers were washed with brine solution, dried over anhydrous Na2SO4, evaporated to get crude product and purified by column chromatography by using hexane and ethylacetate (9:1) as eluent to give the titled compound 2-phenylquinazoline. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | With p-nitrobenzenesulfonic acid; palladium diacetate; In tetrahydrofuran; water; at 80℃; for 48h;Inert atmosphere; Schlenk technique; | General procedure: Under a N2 atmosphere, a Schlenk tube was charged with 2-aminobenzonitrile 1 (0.3 mmol),sodium arylsulfinate 2 (0.6 mmol), Pd(OAc)2 (10 mol %), bpy (20 mol %), p-NBSA (10 equiv), THF (2 mL), and H2O (1 mL) at room temperature. The reaction mixture was stirred vigorously at 80 C for 48 h. The mixture was poured into ethyl acetate, which was washed with saturated NaHCO3 (2 × 10 mL) and then brine (1 × 10 mL). After the aqueous layer was extracted with ethyl acetate, the combined organic layers were dried over anhydrous MgSO4 and evaporated under reduced pressure. The residue was purified by flash column chromatography (hexane/ethyl acetate) to afford the desired products 3. |
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