Structure of 24410-61-5
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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. : | 24410-61-5 |
Formula : | C8H5FO |
M.W : | 136.12 |
SMILES Code : | FC1=C(OC=C2)C2=CC=C1 |
MDL No. : | MFCD15143817 |
InChI Key : | WPCSQSMSSNPKKB-UHFFFAOYSA-N |
Pubchem ID : | 15158726 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H317-H319 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 10 |
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 | 36.17 |
TPSA ? Topological Polar Surface Area: Calculated from |
13.14 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.95 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.43 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.99 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.0 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.87 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.45 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.88 |
Solubility | 0.179 mg/ml ; 0.00132 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.35 |
Solubility | 0.61 mg/ml ; 0.00448 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.53 |
Solubility | 0.0398 mg/ml ; 0.000292 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 |
-5.41 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 |
2.0 |
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) |
2.18 |
* 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 |
---|---|---|
73% | With pyridine; thionyl chloride; at 0℃; for 1.58333h; | Step B: Thionyl chloride (11.0 ml, 150 mmol) was added over a period of 5 minutes to a solution of the product from Step A (2.3 g, 15 mmol) in pyridine (12 ml) at 0 C. and the resulting mixture was stirred at 0 C. for 90 minutes. Dichloromethane (100 ml) was added and the reaction was quenched carefully with 10% aqueous sodium bicarbonate (200 ml) to reach pH 5. Solid sodium bicarbonate (30 g) was then added followed by water (100 ml). The two layers were separated and the aqueous phase was extracted with dichloromethane (100 ml). The combined organic layers were washed with a 5% aqueous sodium bicarbonate (100 ml) and water (100 ml), and were dried over anhydrous magnesium sulfate. The crude was dissolved in dichloromethane and washed with 1N HCl twice and water to remove any residual pyridine. The organic layer was dried over anhydrous magnesium sulfate to give the desired benzofuran (1.5 g, 73%, 98.3% AUC HPLC): 1H NMR (500 MHz, DMSO-d6) delta 7.95 (d, J=1.9 Hz, 1H), 7.36 (d, J=7.6 Hz, 1H), 7.17-7.05 (m, 2H), 6.94 (t, J=2.5 Hz, 1H). |
Compound 1C. 7-Fluorobenzofuran [00114] To a solution of 7-fluoro-2,3-dihydrobenzofuran-3-ol (4.6 g, 29.8 mmol) in pyridine (93 mL) at 0 C was added SOCI2 (21.7 mL, 298 mmol) dropwise. Upon completion of addition, the mixture was stirred at 0 C for 1.5 h. At the conclusion of this period, the reaction mixture was carefully quenched with aqueous aHC03 (saturated, 100 mL) to reach a pH = 9. Once at the prescribed pH, the reaction mixture was extracted with CH2CI2 (4 X 15 mL). The combined organic layers were washed with aqueous NaHCCh (5%, 40 mL), water (40 mL), and then concentrated to yield the crude product. The crude product was dissolved in CH2CI2 (50 mL), washed with aqueous HC1 (1 N, 5 X 10 mL), and then water (40 mL). The organic layer was separated, dried (MgS04), filtered, and concentrated to afford Compound 1C as a brown oil (2.56 g). ¾ NMR (500 MHz, CDC13) delta ppm 7.67 (d, J=2.2 Hz, 1 H), 7.33 - 7.40 (m, 1 H), 7.17 (td, J=8.0, 4.4 Hz, 1 H), 7.04 (dd, J=10.7, 8.0 Hz, 1 H), 6.79 - 6.85 (m, 1 H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
26% | A solution of <strong>[24410-61-5]7-fluorobenzofuran</strong> (0.90 g, 6.6 mmol) in diethyl ether (iO mE) was cooled to 00 C., i.3 mol/L tert-butyllithium (n-pentane solution, 6.i mE, 7.9 mmol) was added dropwise over 20 mi Sulthr dioxide was blown into the reaction mixture for 20 mi N-chlorosuccinimide (i.i g, 9.7 mmol) was added and the mixture was stirred for i hr. The reaction mixture was poured into ice water, extracted with ethyl acetate, and the organic layer was washed with saturated brine, and dried over sodium sulfate. The desiccant was filtered off, the solvent was evaporated and the obtained residue was purified by silica gel column chromatography (petroleum ether) to give the title compound (0.40 g, i.7 mmol, 26%).MS (ESI) mlz 235 (M+H7 | |
Step 1 Preparation of <strong>[24410-61-5]7-fluorobenzo[b]furan</strong>-2-ylsulfonyl chloride. Starting from <strong>[24410-61-5]7-fluorobenzo[b]furan</strong> (10.4 g), the objective compound (5.7 g) was obtained in a manner similar to Step 1 of Example 91. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With bromine; In carbon disulfide; tetrachloromethane; | Step 1 Preparation of 2,3-dibromo-2,3-dihydro-<strong>[24410-61-5]7-fluorobenzo[b]furan</strong>. To a solution of <strong>[24410-61-5]7-fluorobenzo[b]furan</strong> (16 g) in carbon tetrachloride (40 ml) was added dropwise a solution of bromine (22 g) in carbon disulfide (40 ml) at -30 C. and the solution was stirred for 1 hour. At room temperature, the formed precipitate was separated by filtration to give 34.4 g of the objective compound. IR (KBr, cm-1): 1634, 1601, 1489, 1459, 1279, 1179 NMR (CDCl3, ppm): 5.74 (1H, d, J=1.3 Hz), |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Compound ID. tert-Butyl 4-(<strong>[24410-61-5]7-fluorobenzofuran</strong>-2-yl)-4-hydroxypiperidine-l- carboxylate[00115] To a solution of <strong>[24410-61-5]7-fluorobenzofuran</strong> (0.3 g, 1.807 mmol) in dry THF (4.8 mL) at -78 C under an argon atmosphere was slowly added BuLi (1.3 mL, 2.078 mmol). Upon completion of addition, the mixture was stirred at -78 C for 20 min. After this time, a solution of tert-butyl 4-oxopiperidine-l-carboxylate (0.36 g, 1.807 mmol) in THF (2.4 mL) was slowly added. The reaction mixture was warmed to -40 C, where it stirred for 2 hrs. At the conclusion of this period, the reaction mixture was quenched with aqueous NH4C1 (saturated, 5 mL) and then extracted with EtOAc (3 X 5 mL). The combined organic layers were washed with H2O (2 X 4 mL), brine (5 mL), dried (Na2S04), filtered, and concentrated to yield a residue. The residue was purified by column chromatography (silica gel, hexanes/EtOAc gradient 0 to 60% EtOAc) to afford Compound ID as a white solid (530 mg, 94.7% purity, 83% yield). 'H NMR (400 MHz, CDC13) delta ppm 7.30 (dd, J=7.8, 1.0 Hz, 1 H), 7.14 (td, J=7.9, 4.4 Hz, 1 H), 6.96 - 7.07 (m, 1 H), 6.64 (d, J=2.8 Hz, 1 H), 3.86 (br. s., 2 H), 3.39 (t, J=l 1.1 Hz, 2 H), 2.44 (t, J=6.2 Hz, 1 H), 2.08 - 2.21 (m, 2 H), 1.90 - 2.02 (m, 2 H), 1.44 - 1.50 (m, 9 H). LC/MS (m/z) = 336 (M+H)+. |