Structure of 328956-38-3
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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. : | 328956-38-3 |
Formula : | C10H5F3N2O3 |
M.W : | 258.15 |
SMILES Code : | [O-][N+](=O)C1=CC2=C(CC(=O)N=C2C=C1)C(F)(F)F |
MDL No. : | MFCD12828492 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 18 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.2 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 7.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 58.65 |
TPSA ? Topological Polar Surface Area: Calculated from |
75.25 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.07 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.12 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.74 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.88 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.55 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.47 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.26 |
Solubility | 1.42 mg/ml ; 0.00549 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.29 |
Solubility | 1.31 mg/ml ; 0.00509 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.42 |
Solubility | 0.0981 mg/ml ; 0.00038 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 |
No |
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 |
-7.08 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 |
2.0 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) |
3.11 |
* 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 |
---|---|---|
3.94 g (90%) | With cesium fluoride;SiO2; In hexane; ethyl acetate; N,N-dimethyl-formamide; | 6-Amino-2-isopropoxy-4-trifluoromethylquinoline (Compound 102, Structure 2 of Scheme 1) In a 250-mL r.b. flask, a solution of <strong>[328956-38-3]4-trifluoromethyl-6-nitroquinolinone</strong> (structure 1 of Scheme I) (3.78 g, 14.6 mmol) in DMF (75 mL) was treated with CsF (12.41 g, 73 mmol, 5.0 equiv.) and 2-iodopropane (11.09 g, 73 mmol, 5.0 equiv). The reaction mixture was stirred at room temperature (rt) for 18 h. The reaction mixture was quenched with H2O (100 mL) and extracted with EtOAc (3*200 mL). The combined EtOAc extracts were washed with saturated aqueous NH4Cl solution (300 mL), H2O (300 mL) and brine (300 mL). Dried (MgSO4), filtered and concentrated in vacuo. The residue was purified by flash column chromatography (SiO2, 5*20 cm, 2% EtOAc in hexane as eluent) to afford 3.94 g (90%) of the 2-isopropoxyquinoline as a white solid. Rf 0.81 (SiO2, 10% EtOAc-hexane). 1H NMR (400 MHz, CDCl3) 8.93 (s, 1H), 8.47 (dd, 1H, J=9.2, 2.5) 7.98 (d, 1H, J=9.2), 7.32 (s, 1H), 5.62 (septet, 1H, J=6.2), 1.45 (d, 1H, J=6.2). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
57% | With potassium hydroxide; | 6-NITRO-4-TRIFLUOROMETHYL-1 H-QUINOLIN-2-ONE (2.50 g, 9.7 MMOL) was methylated with KOH (5.46 g, 97.3 MMOL) & Mel (6.1 mL, 97.3 MMOL), as to give 1-methyl-6-nitro-4- trifluoromethyl-1 H-QUINOLIN-2-ONE (1.52 g, 57%): ZIZI (CDCI3) = 3.80 (s, 3H), 7.20 (s, 1 H), 7.55 (d, 1 H), 8.50 (dd, 1 H), 8.75 (d, 1 H). An EtOAc (50 mL) solution of this compound (1.26 g, 4.6 MMOL) was treated with a slurry of Pd (10% on C, 95 mg, 0.09 MMOL) in i- PrOH (2 mL). The mixture was stirred under a H2 atmosphere for 80 min, then more Pd (10% on C, 24 mg, 0.02 MMOL) was added. After 20 min under H2, the mixture was filtered through Celite & the solvent removed to yield the title compound (1.06 g, 95%): No.H (CDC13) = 3.70 (s, 3H), 3.75-3. 85 (br s, 2H), 7.00-7. 10 (m, 3H), 7.20 (d, 1 H). |
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