Structure of 135900-33-3
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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. : | 135900-33-3 |
Formula : | C6H5F3N2O |
M.W : | 178.11 |
SMILES Code : | NC1=CC=C(OC(F)(F)F)N=C1 |
MDL No. : | MFCD07374879 |
InChI Key : | HYBWXJYCVPLEPI-UHFFFAOYSA-N |
Pubchem ID : | 45790047 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H319 |
Precautionary Statements: | P305+P351+P338 |
Num. heavy atoms | 12 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.17 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 5.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 35.32 |
TPSA ? Topological Polar Surface Area: Calculated from |
48.14 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.23 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.69 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.83 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.45 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.22 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.48 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.25 |
Solubility | 1.01 mg/ml ; 0.00566 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.32 |
Solubility | 0.861 mg/ml ; 0.00483 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.29 |
Solubility | 0.911 mg/ml ; 0.00512 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 |
-6.19 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 |
1.0 |
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) |
1.93 |
* 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 |
---|---|---|
89.4% | With palladium 10% on activated carbon; ammonium formate In methanol at 55℃; for 16 h; | [00537] A mixture of 81(2.00 g, 9.43 mmols, 1.0 eq), Pd/C (10percent, 1.0 g), HCOONH4 (1.2 g, 18.9 mmols, 2.0 eq.) in MeOH (20 mL) was heated to 55 °C for 16 hours. The reaction mixture was cooled to room temperature, filtered through celite, and the filtrate was concentrated. The residue was partitioned between ethyl acetate (100 mL) and NaOH (4percent in water, 30 mL). The organic layer were washed with brine, dried over Na2SO4, filtered, and concentrated to afford the desired product 82 (1.50 g, 8.38 mmols, 89.4percent) as a yellow oil. |
85% | With ammonium formate In methanol at 55℃; for 16 h; | 3-Amino-6-trifluoromethoxypyridine (52); At 25 0C, palladium (10percent on charcoal, 700 mg) was added with stirring to a solution of 3-amino-2-chloro-6-trifluoromethoxypyridine (51, 1.3 g, 6.1 mmol, 1 eq) and ammonium formate (770 mg, 12.1 mmol, 2 eq) in methanol (20 mL). The reaction mixture was stirred for 16 h at 55 0C before being filtrated under suction and the filtrate evaporated. The residue was partitioned between ethyl acetate (2χ 30 mL) and an aqueous solution of sodium hydroxide (4percent, 30 mL). The combined organic layers were dried over sodium sulfate before being evaporated to afford pure 3-amino-6- trifluoromethoxypyridine (52, 920 mg, 5.2 mmol, 85percent) as colorless crystals; m.p. 31-330C.1H NMR (CDCl3, 300 MHz): δ = 7.66 (d, J= 2.9 Hz, 1 H), 6.97 (dd, J= 8.6, 2.9 Hz, 1 H), 6.76 (d, J = 8.6, 1 H), 3.55 (bs, 2 H). - 19F NMR (CDCl3, 282 MHz): δ = -57.7 - 13C NMR (CDCl3, 75 MHz): δ = 148.8, 141.6, 133.9, 125.8, 120.3 (q, J = 257 Hz), 114.3. - C6H5F3N2O (178): calcd. (percent) C 40.46, H 2.83, N 15.73; found C 40.00, H 2.92, N 15.37. |
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