Structure of 4139-61-1
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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. : | 4139-61-1 |
Formula : | C9H5BrO3 |
M.W : | 241.04 |
SMILES Code : | OC1=CC(=O)OC2=CC=C(Br)C=C12 |
MDL No. : | MFCD00239372 |
InChI Key : | KNMCTCABMSGXGR-UHFFFAOYSA-N |
Pubchem ID : | 54691404 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 13 |
Num. arom. heavy atoms | 10 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 0 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 52.21 |
TPSA ? Topological Polar Surface Area: Calculated from |
50.44 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.71 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.96 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.26 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.76 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.62 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.06 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.14 |
Solubility | 0.175 mg/ml ; 0.000727 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.64 |
Solubility | 0.547 mg/ml ; 0.00227 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.9 |
Solubility | 0.0307 mg/ml ; 0.000127 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 |
-6.38 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) |
2.57 |
* 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 |
---|---|---|
75% | With sodium hydride; In toluene; mineral oil; for 1h;Reflux; | General procedure: Using method B,200 mg NaH (5 eq, 60% dispersion in solid oil)Was added to 30 ml of anhydrous toluene in phaseThe acetophenone analogue (8 mmol, leq) was then added,Then, 0.18 ml of diethyl carbonate (1.5 eq) was slowly added dropwise, and the mixture was refluxed for 1 hour.After cooling to room temperature, the reaction was quenched by slow addition of cold water under an ice bath and 1 N hydrochloric acid was adjusted to acidity. Ethyl acetate extraction three times, each 20 ml, the combined organic phase, 20 ml of saturated brine washed once, evaporated under vacuum, column purification. (Intermediate 3a, 1.18 g, 75%; intermediate 4a, 1.45 g, 75%; intermediate 5b, 1.65 g, 93%; intermediate 6b, 1.82g, 91% , intermediate 8b, 1.40g, 91%; intermediate 9b, 1.55g, 94%; intermediate 10c, 1.70g, 87%; intermediate 11c, 1.54g, 89%; intermediate 13b, 1.55g, 89% |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With N-Bromosuccinimide; ammonium acetate; In acetonitrile; at 20℃; for 3h; | General procedure: Bromination of 4-hydroxycoumarin (5 g, 30.8 mmol) was carried out in acetonitrile (100 mL) with the addition of N-bromosuccinimide (5.7 g, 32.34 mmol) followed by ammonium acetate (0.237 g, 3.08 mmol). The reaction mixture was stirred at rt for 3 h. After the reaction time, organic solvent was evaporated and the crude was treated with ethyl acetate and water mixture (50 mL, 1:1). The organic layer was extracted with ethyl acetate (3×20 mL), treated with brine, dried over anhydrous MgSO4 and concentrated under reduced pressure. The crude product was purified by crystallization to obtain 3-bromo-4-hydroxycoumarin as light yellow solid (6.5 g, 88%). It was used directly in the next step. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
86% | With triethylamine; In dichloromethane; at -10℃; for 2.16667h; | [[00124]] To a cooled (-10 [C)] solution of 6-bromo-4- hydroxycoumarin (1.8 g, 7.5 mmol) and dry triethylamine (2.1 mL, 15 mmol) in dry CH2Cl2 was added trifluoromethane sulfonic anhydride (1.5 mL, 9 mmol) dropwise over 10 minutes. The solution was allowed to stir for 2 hrs at-10 [C] and was warmed to room temperature and diluted with 100 mL of 1: 1 hexane: diethylether solution. The reddish brown solution was filtered through silica gel aided by another 300 mL of 1: 1 hexane: diethylether solution and was concentrated to give 2.4g (86%) of a pure yellow solid. 1H NMR (300 MHz, DMSO) 8 ppm 6.97 (s, 1H), 7.57 (d, 1H), 7.80 (d, 1H), 7. 98 (dd, 1H). |
60% | With triethylamine; In dichloromethane; at -15℃; for 2h;Inert atmosphere; | Tf2O (0.41 mL, 2.43 mmol) was added at -15 C to a solution of 1 (0.45 g, 1.87 mmol) and triethylamine (0.5 mL, 3.74 mmol) in CH2Cl2 (15 mL) and the reaction mixture was stirred at the same temperature under argon atmosphere for 2 h. To the reaction mixture was added toluene (10 mL) and the solution was concentrated in vacuo. The residue was chromatographed (EtOAc/Heptanes: 9/300) without aqueous work up to yield 2 as a white solid (0.42 g, 60%), mp 110-112 C. 1H NMR (300 MHz, CDCl3): delta = 6.47 (s, 1H, CCH), 7.25 (d, 1H, J = 8.9 Hz, ArH), 7.69-7.73 (m, 2H, ArH). 19F NMR (282.4 MHz, CDCl3): delta = -72.5. 13C NMR (75.5 MHz, CDCl3): delta = 105.5 (CH), 114.4, 117.1 (C), 118.1 (CH), 118.3 (q, JC,F = 320.6 Hz, CF3), 124.0, 136.0 (CH), 151.2, 154.8, (C), 157.8 (CO). IR (KBr): v = 3119, 3087, 3054, 2918, (w), 1727 (s), 1628, 1599, 1562, 1473 (m), 1436, 1418, 1349 (s), 1307, 1266 (w), 1250 (m), 1213, 1184 (s), 1170 (m), 1041 (s), 937 (w), 876, 852, 825, 826, 808, 788, 759 (m), 741, 712, 696, 653, 633 (w) cm-1. GC-MS (EI, 70 eV): m/z (%) = 374 ([M, 81Br]+, 100), 372 ([M, 79Br]+, 97), 282 (29), 280 (29), 213 (51), 211 (53). HRMS (EI, 70 eV): calcd for C10H4BrF3O5S [M, 79Br]+: 371.89094; found 371.89097, calcd for C10H4BrF3O5S ([M, 81Br]+: 373.88890; found 373.88890. |
With triethylamine; In dichloromethane; for 3h;Cooling with ice; | Step one: the 6 - bromo -4 - hydroxy coumarin (1 mmol) with triethylamine (1.5 mmol) dissolved in 10 ml dichloromethane after, cold water bath cooling, trifluoromethyl sulfonic acid anhydride (1.5 mmol) is added slowly dropping in the reaction system, the reaction 3 hours later, and steaming and to remove the solvent, after concentrating column separation (petroleum ether and ethyl acetate to the volume proportion 4:1) to obtain 6 - bromo -4 - trifluoromethanesulfonic acid ester - coumarin. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
62% | EXAMPLE 50 6-Bromo-4-[3-(tetrahydro-pyran-2-yloxy)-propoxy]-1-benzopyran-2-one 6-Bromo-4-hydroxycoumarin (1.19 mmol, 0.287 g), K2CO3 (3.57 mmol, 0.493 g) and 2-3-(bromopropoxy)tetrahydro-2H-pyran (1.19 mmol, 0.264 g) is suspended in 10 mL of acetone, and is heated to 55 C. for 24 hrs at which time the reaction is not complete. Cs2CO3 (1.54 mmol, 0.5 g) and 5 mL of DMF are added and the reaction is heated for an additional 2 hrs. Twenty-five percent of the crude THP protected material is purified by HPLC to afford the title compound (70.8 mg, 62%); 1H NMR (CDCl3, 300 MHz) delta 7.91 (1H, d, J=2.25 Hz), 7.82 (1H, dd, J=2.5, 9 Hz), 7.39 (1H, d, J=9 Hz), 5.98 (1H, s), 4.59 (1H, m), 4.31 (2H, t, J=6 Hz), 3.83 (1H, m), 3.72 (1H, m), 3.55 (2H, m), 2.09 (2H, m), 1.65 (2H, m), 1.45 (4H, m); MS (ESI, Pos.) calcd for C17H19BrO5 m/z [M+H]=383.0, found 383.1. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
24% | In water; acetonitrile; for 4h;Heating / reflux; | Compound 33: 8-BROMO-3- (6-BROMO-4-HYDROXY-2-OXO-2H-CHROMENE-3-YL)-2- hydroxy-2,3-dihydro-4H-furo [3,2-c]chromene-4-one; Example 33; 6-BROMO-4-HYDROXYCOUMARIN (120 mg; 0.5 mmole) was mixed with a 40 % aqueous solution of glyoxal (288 muL ; 2.5 mmole). Acetonitrile (5 mL) was added thereto and the reaction mixture was refluxed for 4 hours. By cooling the solution to room temperature a white precipitate was precipitated, which was filtered and washed with acetonitrile. There were obtained 20 mg (24%) of compound 33, which did not need additional purification. 1H-NMR (300 MHz, DMSO-D6) RPPM : 4.82 (bs, 1H); 5.34 (bs, 1H, aldehyde form); 6.33 (bs, 1H); 7.25-7. 40 (m, 2H); 7.72-7. 88 (m, 3H); 8. 19 (bs, 1H); 9.26 (bs, 1H, aldehyde form); 13C-NMR (75.4 MHz, DMSO-D6) No./PPM : 42.7 ; 101.1 ; 101.6 ; 108. 6; 112.7 ; 114.7 ; 115.0 ; 116.7 ; 117.6 ; 117.9 ; 122.9 ; 124.2 ; 133. 8 ; 134.2 ; 149.7 ; 152.3 ; 156.7 ; 160.0 ; 162.6 ; 164.9 ; MS M/Z : ES- (acetonitrile: water) [M-H]- : 518. 6,520. 6; 522.6. |