Structure of 90725-50-1
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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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Search for reports by entering the product batch number.
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Batch number can be found on the product's label following the word 'Batch'.
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CAS No. : | 90725-50-1 |
Formula : | C9H8BrNO |
M.W : | 226.07 |
SMILES Code : | O=C1NC2=C(C=CC(Br)=C2)C1C |
MDL No. : | MFCD15523678 |
InChI Key : | ABTRLWBSKIYPKP-UHFFFAOYSA-N |
Pubchem ID : | 280318 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H317 |
Precautionary Statements: | P280 |
Num. heavy atoms | 12 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.22 |
Num. rotatable bonds | 0 |
Num. H-bond acceptors | 1.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 54.24 |
TPSA ? Topological Polar Surface Area: Calculated from |
29.1 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.99 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.03 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.93 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.17 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.55 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.13 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.89 |
Solubility | 0.291 mg/ml ; 0.00129 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.27 |
Solubility | 1.22 mg/ml ; 0.00538 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.9 |
Solubility | 0.0281 mg/ml ; 0.000124 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 |
-6.24 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 |
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) |
2.2 |
* 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 |
---|---|---|
50% | at 110℃; for 48h; | 6-bromo-3 -methyl- 1, 3 -dihydro-2H-indol-2-one A.20 (15g, 66.35mmol) was combined with 70ml of acetic anhydride. The solution was heated at 1100C for 2 days before it was concentrated under vacuum. The oil obtained was diluted with ethyl acetate and washed in succession with saturated NaHCO3, water, and brine. The organics were dried over MgSO4 before they were concentrated under vacuum. The residue obtained was heated in EtOH (80ml) to form a clear reddish solution. After cooling to -150C and standing overnight, a light brown solid was collected by filtration as 1 -acetyl-6-bromo-3 -methyl- 1,3 -dihydro-2H-indol-2- one A.26 (8.8g, 50%) .IH NMR (500 MHz, DMSO-d6) delta ppm 8.25 (1 H, d, J=I.5 Hz), 7.43 (1 H, dd, J=7.8, 1.4 Hz), 7.38 (1 H, d, J=8.3 Hz), 3.78 (7 H, q, J=7.3 Hz), 2.56 (3 H, s), 1.42 (3 H, d, J=7.8 Hz). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
93% | With sulfuric acid; zinc; In ethanol; water; at 90℃; | To a stirred solution of 2-(4-bromo-2-nitro-phenyl)propionic 0.800 g, 2.91 mmol) dissolved in 50% H2SO4 (6.2 mL)/EtOH (8.5 mL) was added Zn dust (0.76 g, 11.6 mmol) at 90 C. under nitrogen. The reaction was then treated in a manner analogous to the cyclization described above in example 6 to provide 0.61 g (93%) of 6-bromo-3-methyl-1,3-dihydro-indol-2-one. Analysis Theory: C, 47.82; H, 3.57; N, 6.20 Found: C, 47.80; H, 3.78; N, 5.83 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
[(2R)-2-(4-Iodophenyl)propyl][(methylethyl)sulfonyl]amine (0.295 g, 0.804 mmol) bis(pinacolate) diboron (0.224 g,0.882 mmol) PdCl2(dppf).CH2Cl2 (0.020 g, 0.024 mmol) and KOAc (0.0.276 g, 2.81 mmol) were combined and heated at 80 C. under nitrogen for 24 h. The mixture was allowed to cool to ambient temperature and 6-bromo-3-methyl-1,3-dihydro-1-indol-2-one (0.0.200 g, 0.885 mmol), PdCl2(dppf).CH2Cl2 (0.020 g, 0.024 mmol)), 2M Na2CO3 (2.0 mL, 5.0 mmol) respectively were added. The resulting mixture was heated and stirred at 80 C. overnight and worked up in a manner analogous to the procedure described in example 3 to provide the final title compound, 6-[4-((1R)-1-methyl-2-[(methylethyl)sulfonyl]amino}ethyl)phenyl]-3-methylindolin-2-one, (0.050 g). MS: 387(M+1). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
6-bromo-3 -methyl- 1, 3 -dihydro-2H-indol-2-one A.20 (500mg, 2.21mmol) and Cs2CO3 (1.44g, 4.42mmol) were combined in 4ml of DMF. To this was then added methyl bromoacetate A.21(203muL, 2.21mmol) and the solution was stirred at room temperature for 2 hours. After diluting the solution with water and adjusting the pH to 2 with IN HCl, the aqueous layer was and extracted with ethyl acetate. The organics were then concentrated under vacuum. The residue obtained was purified by CombiFlash chromatography eluting with a gradient of dichloromethane to 3%methanol/dichloromethane. The fractions containing the product were combined and concentrated under vacuum to give methyl (6-bromo-3-methyl-2-oxo-2,3- dihydro-lH-indol-3-yl)acetate A.22 (468mg) as an off white solid. ESI-MS: M - 296.0 m/z. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
97% | With sulfuric acid; trifluoroacetic acid; at 80℃; for 3h; | Methyl 6-bromo-3-methyl-2-oxoindoline-3-carboxylate (Step B14.3) (1.54 g, 4.17 mmol) was dissolved in TFA (3.7 mL, 48.0 mmol). H2S04 (0.370 mL, 6.59 mmol) was added and the reaction mixture was heated up and stirred at 80C for 3 hr. The mixture was diluted with ice / water and stirred at 0C for 1 hr. A precipitate occurred. The resulting solid was filtrated off and dried under reduced pressure to afford the title product (961 mg, 4.04 mmol, 97% yield) as brown clear solid. Rt = 0.83 min (UPLC-MS); ESI-MS = 225.9 / 227.9 [M+1]+ (UPLC-MS); ESI-MS = 224.1 / 225.9 [M-1] (UPLC-MS). |
With sulfuric acid; water; trifluoroacetic acid; at 80℃; for 6h; | Methyl 6-bromo-3-methyl-2-oxo-2,3-dihydro-lH-indole-3-carboxylate A.19 (32.04g, 112.8 mmol) was combined with TFA (100ml) and 30% aqueous H2SO4 (30ml). The solution was <n="36"/>heated to 8O0C for 6 hours before being cooled to room temperature. After dilution with ice water, a precipitate was collected by filtration and dried under vacuum to give 6-bromo-3- methyl-l,3-dihydro-2H-indol-2-one A.20 (29.9g) as a pink solid.IH NMR (500 MHz, DMSO-d6) delta ppm 10.44 (1 H, s), 7.21 (1 H, d, J=7.8 Hz), 7.12 (1 H, d, J=7.8 Hz), 6.95 (1 H, br. s.), 3.39 (1 H, q, J=7.5 Hz), 1.31 (3 H, d, J=7.8 Hz) ESI-MS: M + H+ 226.0 m/z; RPHPLC @ 7.02min (97%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
4.6 g | The compound [78-1] obtained in the process (1) (4.9 g) was suspended in toluene (22 mL), and borane dimethyl sulfide complex (4.4 mL) was added at 0C, and then the reaction mixture was heated at reflux for 2 hours. The reaction mixture was cooled with ice-water bath, and an aqueous solution of 5N-sodium hydroxide (8 mL), an aqueous solution of 8N-sodium hydroxide (8 mL) and ethyl acetate (8 mL) were added, successively, and then the reaction mixture was stirred at room temperature for 2.5 hours. The reaction mixture was quenched with water, and extracted with ethyl acetate. The obtained organic layer was washed with brine, dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure. The residue was dissolved in tetrahydrofuran (100 mL), and triethylamine (4.55 mL) and a solution of di-tert-butyl dicarbonate (6.2 g) in tetrahydrofuran (10 mL) were added successively at room temperature, and then a grain of dimethylaminopyridine was added, and the reaction mixture was stirred at room temperature for 22 hours. The reaction mixture was quenched with water, and extracted with ethyl acetate. The obtained organic layer was washed with brine, dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography to give the titled compound (4.6 g) as a colorless oil. 1H-NMR (400 MHz, CDCl3) delta: 8. 03 (1H, s), 7. 07 (1H, dd, J = 7.9, 1.6 Hz), 6.96 (1H, d, J = 8.3Hz), 4.19-4.08 (1H, m), 3.57-3.43 (1H, m), 3.39-3.27 (1H, m), 1.53 (9H, brs), 1.30 (3H, d, J = 6.8 Hz). ESI-MS found: 256 [M-tBu+H]+ |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
4.9 g | Sodium hydride (3.9 g) was suspended in dimethyl sulfoxide (24 mL), and diethyl methyl malonate (16 mL) was added at 0C, and then the reaction mixture was stirred at room temperature for 1.5 hours. The reaction mixture was heated to 100C, and a solution of 2,5-dibromonitrobenzene (15.3 g) in dimethyl sulfoxide (17 mL) was added at 100C, and then the reaction mixture was stirred at 100C for 5 hours. The reaction mixture was quenched with water, and extracted with ethyl acetate. The obtained organic layer was washed with brine, dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure. The residue was dissolved in ethanol (75 mL), and tin (11.5 g) was added at room temperature. Concentrated hydrochloric acid (45 mL) was added at 0C, and then the reaction mixture was heated at reflux for 2 hours. After cooling to room temperature, the reaction mixture was quenched with water, and extracted with ethyl acetate. The obtained organic layer was washed with a saturated aqueous solution of sodium hydrogen carbonate and brine, dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography to give the titled compound (4.9 g) as a brown solid. 1H-NMR (400 MHz, CDCl3) delta: 8.48 (1H, brs), 7.17 (1H, dd, J= 7.9, 1.3 Hz), 7.08 (1H, d, J = 7.9 Hz), 7.07 (1H, s), 3.41 (1H, q, J = 7.8 Hz), 1.48 (3H, d, J = 7.8 Hz). ESI-MS found: 226 [M+H]+ |
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