Structure of 1065181-58-9
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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. : | 1065181-58-9 |
Formula : | C11H10BrNO2 |
M.W : | 268.11 |
SMILES Code : | O=C(C1=CC(Br)=CC2=C1NC=C2)OCC |
MDL No. : | MFCD21608002 |
InChI Key : | YVPFHVKOHMYAHB-UHFFFAOYSA-N |
Pubchem ID : | 59332585 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 15 |
Num. arom. heavy atoms | 9 |
Fraction Csp3 | 0.18 |
Num. rotatable bonds | 3 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 62.09 |
TPSA ? Topological Polar Surface Area: Calculated from |
42.09 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.68 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.96 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
3.11 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
2.36 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.37 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
2.9 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.61 |
Solubility | 0.0654 mg/ml ; 0.000244 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.51 |
Solubility | 0.0835 mg/ml ; 0.000311 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-4.62 |
Solubility | 0.00646 mg/ml ; 0.0000241 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) |
Yes |
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 |
-5.83 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<0.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
1.8 |
* 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 |
---|---|---|
56.4% | Intermediate 104:Ethyl 5-bromo-3-(tetrahydro-3-thienylmethyl)-1 H-indole-7-carboxylate.To a solution of tetrahydro-3-thiophenecarbaldehyde (5.0 g, 43.10 mmol) in dichloromethane (200 mL) was added TMS-OTf (15.4 mL, 86.26 mmol) and ethyl 5- bromo-1 H-indole-7-carboxylate (11.5 g, 43.10 mmol) dropwise at 0 0C. The mixture was stirred at 0 0C for 2h, and then triethylsilane was added at the same temperature, which was maintained for 2h. The reaction was warmed to 20 0C and stirred for 16h. Water was added, the layers were separated, and the organic layer was (Na2SO4),concentrated, and purified on silica gel (PE:EA = 50:1 ), giving 9g (56.4) of the title compound. 1H NMR (CDCI3): delta 1.43 (t, 3H), 2.08 (m, 1 H), 2.58 (m, 2H), 2.88 (m, 6H), 4.44 (q, 2H), 7.09 (s, 1 H), 7.89 (s, 1 H), 7.95 (s, 1 H), 9.65 (s, 1 H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Intermediate 72:(racem/cJ-Ethyl 5-bromo-3-(2,2-dimethyltetrahydro-2H-thiopyran-4-yl)-1H-indole-7- carboxylate.2,2-Dimethyltetrahydro-4H-thiopyran-4-one (0.675 g, 4.68 mmol) was placed in a dried flask fitted up with an addition funnel, a septum and an argon inlet, and dissolved in dry DCM (15 mL), cooled to 0 0C, stirred, and then trimethylsilyl trifluoromethanesulfonate (1.692 mL, 9.36 mmol) was added dropwise through the addition funnel over 10 minutes. DCM (5 mL) was used to wash the addition funnel walls. To this mixture was added dropwise ethyl 5-bromo-1 H-indole-7- carboxylate (1.341 g, 5 mmol) in DCM (15 mL) over 2 hours. Then triethylsilane (2.98 mL, 18.73 mmol) was added in one portion. The mixture was stirred 2 h at 0 0C, and left stirring at 23 0C overnight. The reaction was <n="108"/>quenched with a saturated aqueous solution of sodium bicarbonate, and the resulting biphasic mixture extracted with DCM to give 2.1 15 g of the title compound. LC/MS: m/z 398.0 (M+H), Rt 1.49 min. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
40% | Intermediate 53:Ethyl 5-bromo-3-(tetrahydro-2H-thiopyran-3-yl)-1H-indole-7-carboxylate.Dihydro-2H-thiopyran-3(4/-/)-one (0.217g, 1.86mmol) was dissolved in dichloromethane (23ml_) in an oven dried flask containing 3 A molecular sieves and stirred under argon at 00C. TMS-OTf (0.414g, 1.86mmol, 0.33 ml.) was added slowly to the mixture over 10 min.Ethyl 5-bromo-1 /-/-indole-7-carboxylate (0.5g, 1.86mmol) was dissolved in DCM (7ml_) and added to the reaction via syringe pump over 2 hours, after which it was stirred for 3 hours between 0 and 10 0C. The reaction was cooled to 0 0C and triethylsilane (0.325g, 0.44ml_, 2.8mmol) was added all at once and the reaction was stirred at room temperature for 18 hours. The reaction was then quenched with a saturated sodium bicarbonate solution and extracted with DCM. The combined organics were washed with water. The combined aqueous layers were back-extracted with DCM. The combined organics were washed with brine, dried with MgSO4, and concentrated. The crude compound was purified on a Combiflash silica column with 5-25% EA/Hexane to give 0.279g (40%) of the title compound.LC/MS: m/z 369 (M+H), Rt 2.74 min. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
76% | The title compound can also be prepared according to the following procedure: TMSOTf (1.4 ml_, 7.7 mmol) was added dropwise to a solution of tetrahydro-4H-thiopyran- 4-one (0.88 g, 7.6 mmol) in DCM (80 ml.) in the presence of molecular sieves at 0 0C (bath temp). A solution of ethyl 5-bromo-1 /-/-indole-7-carboxylate (2 g, 7.4 mmol). in DCM (20 ml.) was added and the reaction was stirred for 15 min. Triethylsilane (2 ml_, 12.5 mmol) was added and the reaction was allowed to warm to room temperature overnight. Saturated aqueous Na2CO3 was added, the layers separated and the aqueous layer extracted with DCM. The combined organic layers were dried (Na2SO4) and concentrated under reduced pressure. The residue was washed with MeOH and dried in a vacuum oven, giving 2.07 g (76%) of the title compound. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
47% | Intermediate 25:Ethyl 5-bromo-3-(tetrahydro-3-thienyl)-1H-indole-7-carboxylate.Dihydro-3(2H)-thiophenone (0.381 g, 3.73mmol) was dissolved in dichloromethane (50ml) in an oven dried flask containing 3A molecular sieves and stirred under Argon at O0C. TMS-OTf (0.826g, 3.73mmol, 0.67 ml.) was added slowly to the mixture over 10 min. Ethyl 5-bromo-1 /-/-indole-7-carboxylate (1 g, 3.73mmol) was dissolved in DCM (6 ml.) and added to the reaction via syringe pump over 2 hours, after which it was stirred for 30 min at 0 0C. Triethylsilane (0.651 g, 0.89ml, 5.59mmol) was then added all at once and the reaction was stirred at room temperature for 18 hours. The reaction was then quenched with a saturated sodium bicarbonate solution (35 ml.) and extracted with DCM (2 x 50 ml_). The combined organics were washed with water (2 x 100 ml_), brine, dried with MgSO4, and concentrated. The crude compound was purified on Combiflash silica column with 10% EA/Hexane to give 0.62Og (47%) of the title compound. LCMS m/z =355 (M+H), RT = 1.34 min. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
26% | Intermediate 59:Ethyl S-bromo-S^jtheta-dimethyltetrahydro^H-thiopyran^-ylJ-IH-indole-y-carboxylate.2,6-Dimethyltetrahydro-4H-thiopyran-4-one (0.293g, 2.03mmol) was dissolved in dichloromethane (35ml_) in an oven dried flask containing 3 A molecular sieves and stirred under argon at 0 0C. TMS-OTf (0.451 g, 2.03mmol, 0.36 ml.) was added slowly to the mixture over 10 min. Ethyl 5-bromo-1 /-/-indole-7-carboxylate (0.293g, 2.031 mmol) was dissolved in DCM (1OmL) and added to the reaction via syringe pump over 2 hours, after which it was stirred for 3 hours between 0 and 10 0C. The reaction was cooled to 0 0C and triethylsilane (0.353 g, 0.485 ml_, 3.04 mmol) was then added all at once and the reaction was stirred at room temperature overnight. The reaction was then quenched with a saturated sodium bicarbonate solution, filtered, then extracted with DCM. The combined organics were washed with water. The combined aqueous layers were back-extracted with DCM. The combined organics were washed with brine, dried with MgSO4, and concentrated. The crude compound was purified on Combiflash silica column with 0-30% EA/DCM to give 0.212g (26%) of the the title compound. LC/MS: m/z 397 (M+H), Rt 1.51 min. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
24% | Intermediate 46: Ethyl 5-bromo-3-(4-thiepanyl)-1H-indole-7-carboxylate.To a solution of 4-thiepanone (900 mg, 6.9 mmol, 1.1 eq) in dry dichloromethane (30 ml.) was added activated molecular sieves (4 A, beads, spatula tip full) and the solution was cooled to O 0C using an ice water bath. Trimethylsilyl trifluromethanesulfonate (1.25 ml_, 6.9 mmol, 1.1 eq) was added dropwise to the ketone solution, followed by the dropwise addition of ethyl 5-bromo-1 /-/-indole-7-carboxylate (1.69g, 6.3 mmol, 1 eq) as a solution in dichloromethane (10 ml_). The reaction mixture was stirred at rt for 2h, then warmed to 35 0C for 45 minutes. The deep red reaction mixture was cooled to 0 0C and triethylsilane (2 ml_, 12.6 mmol, 2 eq) was added. The mixture was warmed to rt for 30 minutes, then was quenched by the addition of saturated aq. sodium bicarbonate. The aqueous layer was extracted with dichloromethane (2x50 ml_), and the combined organic extracts were dried over sodium sulfate, filtered through a thin pad of silica gel (to remove baseline impurities), eluting with 50% ethyl acetate in hexanes, and concentrated to afford the crude product as a yellow residue. The crude material was purified by lsco Combiflash, eluting with 0-30% ethyl acetate in hexanes (120 gram column). The title compound was obtained as a yellow residue (540 mg, 24%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
69% | With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In chloroform; for 2h;Inert atmosphere; | Intermediate 4: Ethyl delta-bromo-IH-indole^-carboxylate. <n="69"/>DDQ (1 19.3 g. 525.7mmol) was added in several portions to a solution of ethyl 5-bromo- 2,3-dihydro-1 /-/-indole-7-carboxylate (129.1 g, 0.48 mmol) in CHCI3 (1500 ml.) and the mixture was stirred for 2 h. The reaction was filtered and the solid was washed with CHCI3 (3 x 500 ml_). The filtrate was washed with 5% NaOH (3 x 500 ml_), H2O (500 ml.) and brine (500 ml.) then dried over Na2SO4. The solution was evaporated and the residue was recrystallized with EtOH, giving 88 g (69%) of the title compound. LC/MS: m/z 267.6 (M+H), Rt 1.14 min. |
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