Structure of 118289-17-1
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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. : | 118289-17-1 |
Formula : | C6H4BrNO |
M.W : | 186.01 |
SMILES Code : | O=CC1=CC(Br)=NC=C1 |
MDL No. : | MFCD04039311 |
Boiling Point : | No data available |
InChI Key : | RTWLIQFKXMWEJY-UHFFFAOYSA-N |
Pubchem ID : | 2762991 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 9 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 37.32 |
TPSA ? Topological Polar Surface Area: Calculated from |
29.96 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.32 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.34 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.66 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.56 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.2 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.42 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.26 |
Solubility | 1.01 mg/ml ; 0.00544 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.57 |
Solubility | 5.0 mg/ml ; 0.0269 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.83 |
Solubility | 0.278 mg/ml ; 0.00149 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 |
-6.48 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 |
2.0 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) |
1.61 |
* 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 manganese(IV) oxide; In dichloromethane; at 20℃; for 54h; | 149 g (1714 mmol) of manganese dioxide is added in measured quantities to 28.0 g (148.9 mmol) of 2-bromo-4-hydroxymethyl-pyridine in 500 ml of dichloromethane within 6 hours. Then, stirring is continued at room temperature for 48 hours. It is suctioned off over Celite and concentrated by evaporation. 16.4 g of solidifying white oil accumulates. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
64% | (3) To a solution of 2.91g of the compound obtained in the above (2) in 9mL of tetrahydrofuran was added dropwise 6.25mL of 1.6M n-butyl lithium-hexan solution under a nitrogen atmosphere under dry ice-acetone cooled condition, and the mixture was stirred at the same temperature for 30 minutes. To the reaction solution was added dropwise a solution of 1.86g of 2-bromo-4-formylpyridine in 9mL of tetrahydrofuran, and the mixture was stirred for 1 hour. To the reaction solution was added 30mL of saturated aqueous ammonium chloride solution, and the solution was extracted with 30mL of ethyl acetate. The aqueous layer was extracted with 30mL of ethyl acetate again, and the extracts were combined and washed with saturated saline, then dried over magnesium sulfate, and concentrated under reduced pressure. The residue was triturated with 100mL of chloroform and concentrated under reduced pressure. The residue was purified by column chromatography on silica gel (solvent; n-hexan/ethyl acetate=3/1 to 1/1) to give 2.53g of 3,4-dimethoxy-6-(2-bromo-4-pyridyl)(hydroxy)methylbenzaldehyde dimethylacetal (yield: 64percent). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Synthesis of intermediate H-b: 2-Bromo-pyridine-4-carbaldehydeTo a suspension of Il-a (10.5 g, 52.23 mmol) in water (50 mL) were added successively dropwise at -10°C concentrated solution of HC1 (50 mL) and a solution of formaldehyde (50 mL) in water (37percent w/w). The reaction mixture was stirred at -10°C for 4 h. Then, a solution of NaOH (2 N) was added until pH = 6-7. The crude product was extracted with EtOAc (2 times) and the organic layer was washed with water, then with a saturated solution of NaCl, dried over MgS04 and concentrated to give Il-b as brownish oil in 97 percent yield. ? NMR (300 MHz, DMSO- 6) delta 10.03 (s, 1H), 8.68 (d, J = 4.9 Hz, 1H), 8.07 (s, 1H), 7.84 (d, J= 4.9 Hz, 1H). |
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