Structure of 1079843-62-1
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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. : | 1079843-62-1 |
Formula : | C12H14F2N2O3 |
M.W : | 272.25 |
SMILES Code : | O=C(OC(C)(C)C)NNC(C1=CC(F)=CC=C1F)=O |
MDL No. : | MFCD23700206 |
Boiling Point : | No data available |
InChI Key : | PAPCXRVVAHZZHH-UHFFFAOYSA-N |
Pubchem ID : | 66806144 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 19 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.33 |
Num. rotatable bonds | 6 |
Num. H-bond acceptors | 5.0 |
Num. H-bond donors | 2.0 |
Molar Refractivity | 63.1 |
TPSA ? Topological Polar Surface Area: Calculated from |
67.43 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.28 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.3 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.97 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.91 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.75 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.44 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.81 |
Solubility | 0.417 mg/ml ; 0.00153 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.35 |
Solubility | 0.121 mg/ml ; 0.000443 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.91 |
Solubility | 0.0336 mg/ml ; 0.000124 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) |
Yes |
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 |
-6.33 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<0.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
2.53 |
* 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 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride;dmap; In tetrahydrofuran; N,N-dimethyl-formamide; at 20℃; for 3h; | To a solution of 5.Og (31.6 mmol) of <strong>[2991-28-8]2,5-difluorobenzoic acid</strong> (1-1) in 2OmL of 1: 1 THF/DMF was added 4.39g (33.2 mmol) of t-butylcarbazate, 6.67g (34.8 mmol) of EDCI, and 50 mg of DMAP. After stirring for 3h at room temperature, the reaction was dumped into ice water and extracted three times with ether. The combined organic phases were washed two times with 10percent citric acid, two times with saturated NaHCO3, once with water, once with brine, and then dried over MgSO4. Concentration by rotary evaporation provided the BOC-protected acyl hydrazine as a white solid. To a solution of 1.5g (5.5 mmol) of this material in 20 mL of CH2Cl2, cooled to 00C, was added 10 mL of trifluoroacetic acid, and the resultant mixture was allowed to stir for 2 h at that temperature. The volatiles were removed by rotary evaporation, the residue was partitioned between EtOAc and aqueous NaHCO3, the layers were separated, and the aqueous phase was extracted two more times with EtOAc. The combined organic phases were washed twice with saturated NaHCO3, brine, dried over Na2SO4, and concentrated to provide 663mg (3.85 mmol) of 2,5-difluorobenzohydrazide (1-2) as a white solid. This material was dissolved in 30 mL of EtOH, and then 1.5 mL of HOAc was added, followed by 390 muL (3.85 mmol) of benzaldehyde. After stirring for Ih at room temperature, the solvents were removed by rotary evaporation, and the residue was triturated with Et2O to provide the imine as a white powder. A portion of this imine (225mg, 0.86 mmol) was dissolved in 3 mL of acetic anhydride and heated at 125 0C for 2h After cooling to room temperature, the volatiles were removed by rotary evaporation, the residue was dissolve in EtOAc, washed twice with saturated NaHCO3, water, dried over Na2SO4, and concentrated. The residue was then purified by column chromatography with a gradient of EtOAc in hexanes to provide (1-3) as a white solid. IH NMR (500 MHz, CDC13): delta 7.6 -7.4 (m, 6H), 7.2 (m, 2H), 7.1 (s, IH), 2.4 (s, 3H) ppm. HRMS (ES) calc'd M + H for C16H12F2N2O2: 303.0940; found 303.0926. | |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride;dmap; In tetrahydrofuran; N,N-dimethyl-formamide; for 16h; | Step B: Preparation of <strong>[2991-28-8]2,5-difluorobenzoic acid</strong> hydrazide: To a solution of<strong>[2991-28-8]2,5-difluorobenzoic acid</strong> (3.5 g, 22 mmol) in THF/DMF (20 mL/20 mL) was added EDCI (4.7 g, 24 mmol), DMAP (50 mg) and NH2NHBoC (3.07 g, 23.2 mmol). After stirring for 16 hours, the reaction was quenched with water (30 mL) and diluted with EtOAc (30 mL). The organic layer was then washed with HCl (0.5 M, 20 mL), saturated NaHCO3 (20 mL), and brine (20 mL). The organic layer was then dried over Na2SO4, filtered and concentrated under reduced pressure to afford the crude Boc-protected product, which was then dissolved in DCM (60 mL) at 0 °C. TFA (50 mL) was added to the above DCM solution. After stirring for 2 hours, the reaction mixture was concentrated and the residue was dissolved in DCM (60 mL). The solution was washed with saturated NaHCO3 (40 mL) and dried over Na2SO4, filtered and concentrated under reduced pressure to afford the desired crude product. |
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