Structure of 216076-11-8
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
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CAS No. : | 216076-11-8 |
Formula : | C13H10ClNO |
M.W : | 231.68 |
SMILES Code : | ClC1=CC=CC=C1C(CC2=CC=NC=C2)=O |
MDL No. : | MFCD04114383 |
InChI Key : | BMSUUDSMTHMTQQ-UHFFFAOYSA-N |
Pubchem ID : | 11379248 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 16 |
Num. arom. heavy atoms | 12 |
Fraction Csp3 | 0.08 |
Num. rotatable bonds | 3 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 63.93 |
TPSA ? Topological Polar Surface Area: Calculated from |
29.96 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.07 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.61 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
3.16 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.21 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.84 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.78 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.28 |
Solubility | 0.122 mg/ml ; 0.000528 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.89 |
Solubility | 0.299 mg/ml ; 0.00129 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-5.52 |
Solubility | 0.000703 mg/ml ; 0.00000303 mol/l |
Class? Solubility class: Log S scale |
Moderately soluble |
GI absorption? Gatrointestinal absorption: according to the white of the BOILED-Egg |
High |
BBB permeant? BBB permeation: according to the yolk of the BOILED-Egg |
Yes |
P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set) |
No |
CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set) |
Yes |
CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) |
Yes |
CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set) |
No |
CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set) |
No |
CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set) |
No |
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from |
-5.86 cm/s |
Lipinski? Lipinski (Pfizer) filter: implemented from |
0.0 |
Ghose? Ghose filter: implemented from |
None |
Veber? Veber (GSK) filter: implemented from |
0.0 |
Egan? Egan (Pharmacia) filter: implemented from |
0.0 |
Muegge? Muegge (Bayer) filter: implemented from |
0.0 |
Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat |
0.55 |
PAINS? Pan Assay Interference Structures: implemented from |
0.0 alert |
Brenk? Structural Alert: implemented from |
0.0 alert: heavy_metal |
Leadlikeness? Leadlikeness: implemented from |
No; 1 violation:MW<1.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
1.69 |
* 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 |
---|---|---|
71% | With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane; water | REFERENCE EXAMPLE 16 1-(2-Chlorophenyl)-2-(4-pyridyl)ethanone To a stirred solution of diisopropylamine (15.4 mL) in dry tetrahydrofuran (100 mL) cooled at -50° C., was added a solution of 1.6 M n-butyllithium in hexane (69 mL) dropwise. After addition, the resulting mixture was stirred for 10 min at the same temperature, followed by the addition of a solution of γ-picoline (20 g) in dry tetrahydrofuran (10 mL) at -30° C. After an additional 1 h stirring, a solution of N-(2-chlorobenzoyl)propyleneimine (20 g) in dry tetrahydrofuran (10 mL) was added dropwise to the resulting mixture at -10° C. After addition the mixture was stirred for another 2 h at ambient temperature. Water (100 mL) was added to the mixture and extracted with ethyl acetate. The extract was washed with water, dried, and concentrated under reduced pressure. The residue was purified using silica-gel column chromatography (hexane-ethyl acetate, 1:1) to give the title compound (16.4 g, yield 71percent). oil. 1H-NMR (CDCl3) δ: 4.28 (2H, s), 7.20 (2H, d, J=6.2 Hz,), 7.28-7.39 (1H, m), 7.41-7.48 (3H, m), 8.56 (2H, d, J=6.2 Hz). |
71% | With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane; water | Reference Example A 16 1-(2-chlorophenyl)-2-(4-pyridyl)ethanone A solution of diisopropylamine (15 mL) in anhydrous tetrahydrofuran (100 mL) was cooled at -50OEC and 1.6 M n-butyllithium/hexane solution (69 mL) was added dropwise with stirring. After completion of dropwise addition, the mixture was stirred for 10 min and a solution of γ-picoline (20 g) in anhydrous tetrahydrofuran (10 mL) was added dropwise at -30OEC. The mixture was stirred for 1 h and a solution of N-(2-chlorobenzoyl)propyleneimine (20 g) in anhydrous tetrahydrofuran (10 mL) was added dropwise at -10OEC. After completion of dropwise addition, the mixture was stirred for at room temperature for 2 h. To the reaction mixture was added water (100 mL) and the mixture was extracted with ethyl acetate. The extract was washed with water, and after drying, the solvent was evaporated. The residue was purified by silica gel column chromatography (hexane-ethyl acetate=1:1) to give the title compound (16 g, yield 71percent). oil. 1H-NMR (CDCl3) δ: 4.28 (2H, s), 7.20 (2H, d, J= 6.2 Hz), 7.28-7.39 (1H, m), 7.41-7.48 (3H, m), 8.56 (2H, d, J= 6.2 Hz). |
71% | With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane; water | Reference Example A 16 1-(2-chlorophenyl)-2-(4-pyridyl)ethanone A solution of diisopropylamine (15 mL) in anhydrous tetrahydrofuran (100 mL) was cooled at -50°C and 1.6 M n-butyllithium/hexane solution (69 mL) was added dropwise with stirring. After completion of dropwise addition, the mixture was stirred for 10 min and a solution of γ-picoline (20 g) in anhydrous tetrahydrofuran (10 mL) was added dropwise at -30°C. The mixture was stirred for 1 h and a solution of N-(2-chlorobenzoyl)propyleneimine (20 g) in anhydrous tetrahydrofuran (10 mL) was added dropwise at -10°C. After completion of dropwise addition, the mixture was stirred for at room temperature for 2 h. To the reaction mixture was added water (100 mL) and the mixture was extracted with ethyl acetate. The extract was washed with water, and after drying, the solvent was evaporated. The residue was purified by silica gel column chromatography (hexane-ethyl acetate=1:1) to give the title compound (16 g, yield 71percent). oil 1H-NMR (CDCl3) δ: 4.28 (2H, s), 7.20 (2H, d, J= 6.2 Hz), 7.28-7.39 (1H, m), 7.41-7.48 (3H, m), 8.56 (2H, d, J= 6.2 Hz). |
71% | With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane; water | Reference Example 16 1-(2-chlorophenyl)-2-(4-pyridyl)ethanone A solution of diisopropylamine (15 mL) in anhydrous tetrahydrofuran (100 mL) was cooled at -50°C and 1.6 M n-butyllithium/hexane solution (69 mL) was added dropwise with stirring. After completion of dropwise addition, the mixture was stirred for 10 min and a solution of γ-picoline (20 g) in anhydrous tetrahydrofuran (10 mL) was added dropwise at -30°C. The mixture was stirred for 1 h and a solution of N-(2-chlorobenzoyl)propyleneimine (20 g) in anhydrous tetrahydrofuran (10 mL) was added dropwise at -10°C. After completion of dropwise addition, the mixture was stirred for at room temperature for 2 h. To the reaction mixture was added water (100 mL) and the mixture was extracted with ethyl acetate. The extract was washed with water, and after drying, the solvent was evaporated. The residue was purified by silica gel column chromatography (hexane-ethyl acetate=1:1) to give the title compound (16 g, yield 71percent). oil. 1H-NMR (CDCl3) δ: 4.28 (2H, s), 7.20 (2H, d, J= 6.2 Hz), 7.28-7.39 (1H, m), 7.41-7.48 (3H, m), 8.56 (2H, d, J= 6.2 Hz). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
47% | Stage #1: With lithium diisopropyl amide In tetrahydrofuran; cyclohexane at -78 - 0℃; for 0.5 h; Stage #2: at -78 - 20℃; |
To lithium diisopropyl amide (6.5 mL, 1.6 M in cyclohexane, 10.4 mmol) in THF (20.0 mL) at -78 °C was added a solution of 4-picoline (1.07g mL, 11.5 mmol) in THF (10.0 mL) dropwise. The dry ice bath was removed. The reaction mixture was stirred at 0 "C for 30 minutes, and cooled back to -78 °C. A solution of 2-chloro-N-methoxy-N- methylbenzamide (21) (2.39 g, 12 mmol) in THF (10.0 mL) was added dropwise. The reaction mixture was warmed to room temperature and stirred overnight. White solid was filtered off and dissolved in ethyl acetate. The organic phase was washed with water, brine, dried over dried magnesium sulfate and concentrated under vacuum to give l-(2-chlorophenyl)-2-(pyridin-4-yl)ethanone (22) (1.09 g, 4.7 mmol, 47percent) as white solid. |
47% | Stage #1: With lithium diisopropyl amide In tetrahydrofuran; cyclohexane at -78 - 20℃; Stage #2: at -78 - 20℃; |
l-(2-Chlorophenyl)-2-(pyridin-4-yl)ethanone (22): To lithium diisopropyl amide (6.5 mL, 1.6 M in cyclohexane, 10.4 mmol) in THF (20.0 mL) at -78 0C was added a solution of 4-picoline (1.07g mL, 1 1.5 mmol) in THF (10.0 mL) dropwise. The dry ice bath was removed. The reaction mixture was stirred at 0 0C for 30 minutes, and cooled back to -78 0C. A solution of 2-chloro-N-methoxy-N-methylbenzamide (21) (2.39 g, 12 mmol) in THF (10.0 mL) was added dropwise. The reaction mixture was warmed to room temperature and stirred overnight. White solid was filtered off and dissolved in ethyl acetate. The organic phase was washed with water, brine, dried over dried magnesium sulfate and concentrated under vacuum to give l-(2-chlorophenyl)-2- (pyridin-4-yl)ethanone (22) (1.09 g, 4.7 mmol, 47percent) as white solid. |
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