Structure of 1168139-43-2
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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. : | 1168139-43-2 |
Formula : | C8H11ClFN |
M.W : | 175.63 |
SMILES Code : | N[C@@H](C1=CC=CC=C1F)C.[H]Cl |
MDL No. : | MFCD11101199 |
InChI Key : | WEZXQPGVPSHAAZ-FYZOBXCZSA-N |
Pubchem ID : | 45072319 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H332-H335 |
Precautionary Statements: | P261-P280-P305+P351+P338 |
Num. heavy atoms | 11 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.25 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 45.85 |
TPSA ? Topological Polar Surface Area: Calculated from |
26.02 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
0.0 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.08 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.74 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.61 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.01 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.89 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.58 |
Solubility | 0.465 mg/ml ; 0.00265 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.26 |
Solubility | 0.974 mg/ml ; 0.00555 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.73 |
Solubility | 0.331 mg/ml ; 0.00188 mol/l |
Class? Solubility class: Log S scale |
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) |
No |
CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set) |
No |
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 |
-5.89 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 |
2.0 |
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) |
1.55 |
* 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 |
---|---|---|
With hydrogenchloride; In methanol; diethyl ether; for 1.5h; | To (R)-2-methylpropane-2-sulfinamide (121 mg, 1.0 mmol), Ti(OEt)4 (0.41 mL, 2.0 mmol) in THF (2.0 mL) was added l-(2-fluorophenyl)ethanone (0.15 mL, 1.2 mmol) and the mixture heated to 70 C for 18 h. The reaction was then cooled to -48 C and NaBtL. (151 mg, 4.0 mmol) was added and the reaction was allowed to warm to rt and stir for 4 h at which time it was quenched with MeOH, brine was added (5 mL), and the resulting slurry was filtered through Celite washing with EtOAc. The resulting filtrate was extracted with EtOAc washing with brine and the material purified by column chromatography (silica gel, 98:2 CH2Cl2/MeOH) which gave 189 mg, 78 % of (R)-N-((R)-l -(2-f1uorophenyl)ethyl)-2- methylpropane-2-sulfinamide which was 58 % de by NMR. This material was taken up in MeOH (3.5 mL) and HCl ( 1.6 mL of a 1.0M solution in Et20) was added and the reaction stirred for 1.5 h. The solvent was then removed and the product precipitated with Et20 (10 mL) and filtered to give 109 mg, 62 % (over the 2 steps) of a white solid (58 % ee). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In dichloromethane; at 20℃; for 0.5h;Inert atmosphere; | To a solution of (R)- 1 -(2-fluorophenyl)ethanamine(278 mg, 2.0 mmol, Kingston) in DCM (3.0 mE) was addedmethyl 4-oxobutanoate (232 mg, 2.0 mmol, Aldrich). Thereaction mixture was stirred at room temperature for 30 mm, and Na(OAc)3BH (636 mg, 3.00 mmol) and i-PrOH (2.0 mE) were then added. The reaction mixture was stirred at room temperature for 1 h. The reaction was quenched with MeOH (2.0 mE) and sat. aq. K2HPO4 (2.0 mE) and then diluted with DCM (50 mE). The organic layer was separated, dried over MgSO4, filtered and concentrated in vacuo. The residue was purified by preparative HPEC to provide the desired product (239 mg, 50%) as a white solid. ?H NMR (CDC13) oe 7.37 (td, J=7.5, 1.8 Hz, 1H), 7.21-7.14 (m, 1H), 7.12-7.07 (m, 1H), 6.98 (ddd, J=10.6, 8.1, 1.1 Hz, 1H), 4.09 (q, J=6.6 Hz, 1H),3.62 (s, 3H), 2.58-2.50 (m, 1H), 2.48-2.40 (m, 1H), 2.33 (td, J=7.4, 3.3 Hz, 2H), 1.81-1.73 (m, 2H), 1.35 (d, J=6.6 Hz, 3H); MS(ESI) m/z 240.2 (M+H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
50% | With sodium tris(acetoxy)borohydride; In dichloromethane; isopropyl alcohol; at 20℃; for 1h;Inert atmosphere; | To a solution of (R)-1-(2-fluorophenyl)ethanamine (278 mg, 2.0 mmol) in DCM (3.0 mL) and i-PrOH (2.0 mL) were added ethyl 2-formylcyclopropanecarboxylate (284 mg, 2.0 mmol, Aldrich) and Na(OAc)3BH (636 mg, 3.0 mmol). The reaction mixture was stirred at room temperature for 1 h. The reaction was quenched with MeOH (2.0 mL) and a few drops of NH4OH and then diluted with DCM. The organic layer was separated, dried over MgSO4, filtered and concentrated in vacuo. The residue was purified by preparative HPLC to provide the desired product (265 mg, 50%) as a white solid. 1H NMR (CDCl3) delta 7.43-7.35 (m, 1H), 7.25-7.18 (m, 1H), 7.16-7.10 (m, 1H), 7.05-6.98 (m, 1H), 4.19-4.07 (m, 3H), 2.54-2.45 (m, 1H), 2.43-2.33 (m, 1H), 1.64-1.55 (m, 1H), 1.40 (d, J=6.8 Hz, 3H), 1.44-1.35 (m, 1H), 1.25 (t, J=7.2 Hz, 3H), 1.17 (ddt, J=11.5, 8.8, 4.5 Hz, 1H), 0.76-0.66 (m, 1H); MS(ESI+) m/z 266.2 (M+H)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
42.8% | With hydrogenchloride; In 1,4-dioxane; methanol; at 20℃; for 1.5h;Inert atmosphere; | To a solution of N-((R)-1-(2-fluorophenyl)ethyl)-2-methylpropane-2-sulfinamide (4.35 g) in MeOH (20 mL) was added 4 N HCl in dioxane (15 mL) at rt. After 1.5 h, the reaction mixture was concentrated in vacuo and triturated with ether. The resulting solid was filtered, washed with ether and dried to obtain the title compound as a HCl salt (3.1 g, 17.7 mmol, 42.8% yield) as a white solid. 1H NMR (CD3OD) delta 7.56-7.22 (m, 4H), 4.76 (q, J=7.0 Hz, 1H), 1.68 (d, J=7.0 Hz, 3H); MS(ESI+) m/z 279.1 (M+H)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
78% | (R)-1-(2-Fluorophenyl)ethanamine, HCl salt (253 mg, 1.44 mmol) was dissolved in saturated aq. NaHCO3 solution and the resulting suspension was extracted with ethyl acetate (twice). The organic layers were combined and dried over MgSO4. The filtrate was concentrated in vacuo. To the residue was added DMF (6 mL), methyl 4-(bromomethyl)benzoate (300 mg, 1.31 mmol) and K2CO3 (452 mg, 3.27 mmol). The resulting suspension was stirred at rt for 3 h. The reaction mixture was diluted with ethyl acetate and brine. The organic layer was separated and dried over MgSO4. The filtrate was concentrated in vacuo and the residue was purified by flash column chromatography (eluting with 25% EtOAc/hexanes) to afford the title compound as a colorless oil (0.30 g, 78%). 1H NMR (CDCl3) delta 8.11-7.90 (m, 2H), 7.44 (td, J=7.6, 1.8 Hz, 1H), 7.38 (d, J=8.1 Hz, 2H), 7.27-7.20 (m, 1H), 7.18-7.11 (m, 1H), 7.04 (ddd, J=10.7, 8.0, 1.1 Hz, 1H), 4.15 (q, J=6.6 Hz, 1H), 3.91 (s, 3H), 3.78-3.62 (m, 2H), 1.67 (br. s., 1H), 1.42 (d, J=6.6 Hz, 3H); MS(ESI+) m/z 288.2 (M+H)+. |
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