Structure of 220939-72-0
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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. : | 220939-72-0 |
Formula : | C7H3BrClNO |
M.W : | 232.46 |
SMILES Code : | ClC1=NC=CC2=C1C(Br)=CO2 |
MDL No. : | MFCD13193360 |
InChI Key : | VJWDCUWEVVDVKR-UHFFFAOYSA-N |
Pubchem ID : | 10681119 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 11 |
Num. arom. heavy atoms | 9 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 0 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 46.72 |
TPSA ? Topological Polar Surface Area: Calculated from |
26.03 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.14 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.91 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
3.24 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.92 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.21 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.69 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.72 |
Solubility | 0.0443 mg/ml ; 0.000191 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.12 |
Solubility | 0.177 mg/ml ; 0.000763 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-4.39 |
Solubility | 0.00947 mg/ml ; 0.0000407 mol/l |
Class? Solubility class: Log S scale |
Moderately 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 |
-5.65 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 |
1.0 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) |
2.24 |
* 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 |
---|---|---|
67% | With ammonium hydroxide; In 1,4-dioxane; at 150.0℃; for 72.0h;Sealed tube; | 200 mg of 3-bromo-4-chlorofuro[3,2-c]pyridine, 3 ml of concentrated aqueous ammonia and 3 ml of dioxanewere added to a stainless steel sealed tube, closed and heated to 150 C. After stirred for 3 days, the mixture was cooledto room temperature. Water and ethyl acetate were added to separate. The aqueous phase was extracted with ethylacetate. The combined organic phases was washed with saturated sodium chloride, dried over anhydrous sodium sulfate,filtered and concentrated to dryness to give 98 mg of 3-bromofuro[3,2-c]pyridin-4-amine as tan solid. Yield: 67%.1H NMR (300 MHz, DMSO-d6) delta (ppm): 6.19 (s, 2H), 6.92 (d, J= 6.0 Hz, 1H), 7.85 (d, J = 6.0 Hz, 1H), 8.11 (s, 1H). |
With ammonia; In 1,4-dioxane; water; at 150.0℃; for 120.0h; | To the solution of 3-BROMO-4-CHLORO-FURO [3, 2-C] PYRIDINE (3.0 g) in 40 ML of dioxane was added 28% ammonia solution (15 ML) in an autoclave and put into the oil bath. The reaction mixture was allowed to heat up to 150 C and stir for 5 days at 150 C. The resultant mixture was poured into ethyl acetate and brine. The organic phases was separated, dried over anhydrous sodium sulfate, filtered and concentrated in vacuo. The residue was purified by chromatography on a silica gel column to afford 3-bromo-furo [3,2- c] pyridin-4-ylamine (1.3 g). 1H NMR (400MHZ, CDCI3) ppm 7.93 (d, J = 6.1 Hz, 1H), 7.52 (s, 1 H), 6.87 (d, J = 5.8 Hz, 1 H). MS: m/z 213,215 (M+H) + |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
To the solution of 4-chloro-furo [3, 2-C] PYRIDINE (4.2 g, 0.03 mol) in CCI4 (77 ML) was added BR2 (2.4 ml, 0.046 mol) at 0C and the resultant reaction mixture was stirred for 4 hours at room temperature. The resultant suspension was poured into the mixture of ethyl acetate and 10% Na2SO3. The corresponding organic phase was separated and dried over NA2SO4 and concentrated in vacuo. The crude residue was dissolved in THF (100 ml) and DBU (1, 8-diazabicyclo [5.4. 0] undec-7-ene) (5.6 ml) was added at 0C. The resultant reaction mixture was stirred for 2 hours at room temperature and poured into NAHCO3 and ethyl acetate. The organic layers were separated, dried over anhydrous sodium sulfate, filtered and concentrated to dryness. The residue was purified by chromatography on a silica gel column to afford the titled compound (5.4 g) 1H NMR (400MHZ, CDCI3) PPM 8.32 (d, J = 5.8 Hz, 1 H), 7.72 (s, 1 H), 7.44 (d, J = 5.8 Hz, 1 H), 7.26 (s, 1 H) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
96% | With sodium hydroxide; bromine; In methanol; tetrachloromethane; | EXAMPLE 543A 3-bromo-4-chlorofuro[3,2-c]pyridine A solution of 4-chlorofuro[3,2-c]pyridine (commercially available, 10.60 g, 69 mmol) in carbon tetrachloride (135 mL) was cooled to -15 C. and bromine (12.13 g, 80 mmol) was added drop-wise over a fifteen minute time period. The mixture was stirred at ambient temperature for eighteen hours. The solvent was removed in vacuo, and the residue was dissolved in methanol (250 mL). A solution of 20% aqueous sodium hydroxide (35 mL) was added and the mixture was stirred 1 hour at ambient temperature. The methanol was removed in vacuo, and the residue was partitioned between water (100 mL) and dichloromethane (50 mL). The combined organic layers were dried over anhydrous magnesium sulfate and the solvent was removed in vacuo to give 3-bromo-4-chloro[3,2-c]pyridine 15.45 g, 96%) as a solid. MS (ESI(+)) m/e 232, 234 (M+H)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
53% | With caesium carbonate; In dimethyl sulfoxide; at 120℃; for 3h; | 3-Bromo-4-chlorofuro[3,2-c]pyridine (C39, prepared according to the method of Y. Miyazaki et al., Bioorg. Med. Chem. Lett. 2007, 17, 250-254; 430 mg, 1.85 mmol), 4-(4,6- dimethylpyrimidin-5-yl)-3-methylphenol (C38) (396 mg, 1.85 mmol) and cesium carbonate (1.21 g, 3.71 mmol) were combined in dimethyl sulfoxide (8.0 mL) and heated at 120 00 for 3 hours.The reaction mixture was filtered through Celite, the Celite pad was rinsed thoroughly with ethyl acetate, and the combined filtrates were washed twice with a 1:1 mixture of water and saturated aqueous sodium chloride solution, then washed twice with 1 N aqueous sodium hydroxide solution. The organic layer was dried over sodium sulfate, filtered, and concentrated in vacuo. Silica gel chromatographic purification (Gradient: 50% to 90% ethyl acetate in heptane) affordedthe product as a white solid. Yield: 404 mg, 0.985 mmol, 53%. LCMS m/z 412.0 (M+H). 1H NMR (400 MHz, ODd3) oe 8.98 (s, 1H), 8.07 (d, J=5.9 Hz, 1H), 7.69 (s, 1H), 7.26-7.28 (m, 1H, assumed; partially obscured by solvent peak), 7.25 (d, J=5.9 Hz, 1 H), 7.21-7.25 (m, 1 H), 7.09 (br d, J=8.2 Hz, 1 H), 2.28 (s, 6H), 2.05 (br s, 3H). |
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