Structure of 1086429-88-0
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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. : | 1086429-88-0 |
Formula : | C8H6BrNO |
M.W : | 212.04 |
SMILES Code : | N#CC1=CC=CC(CO)=C1Br |
MDL No. : | MFCD18206375 |
InChI Key : | CWLVWDFXEGFJSM-UHFFFAOYSA-N |
Pubchem ID : | 66510837 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 11 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.12 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 44.98 |
TPSA ? Topological Polar Surface Area: Calculated from |
44.02 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.75 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.45 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.66 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.59 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.32 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.75 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.41 |
Solubility | 0.833 mg/ml ; 0.00393 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.98 |
Solubility | 2.22 mg/ml ; 0.0105 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.17 |
Solubility | 0.143 mg/ml ; 0.000673 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 |
-6.56 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) |
1.69 |
* 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 |
---|---|---|
84.2% | With silica gel; pyridinium chlorochromate; In dichloromethane; at 20℃; for 2.0h; | General procedure: To the solution of 23 (26.0 g, 0.103 mol) in THF/MeOH/H2O (55:50:100 mL) was added LiOH?H2O (17.3 g, 0.411 mol, 4 equiv). The mixture was stirred for 1 h and concentrated. DCM was added. The organic layer was washed with 1 N HCl, saturated NaHCO3, brine, dried over anhydrous Na2SO4, filtered and concentrated. The residue was washed with PE to give the product 51 (16.2 g, yield 80%). To the mixture of 51 (14.2 g, 67 mmol) and silica gel (14.2 g) in DCM (268 mL) was added PCC (21.6 g, 0.1005 mol, 1.5 equiv). The mixture was stirred for 2 h. The reaction mixture was filtered and the filtrate was concentrated. The residue was purified by silica gel chromatography to give the desired product 52 (11.8 g, 84.2%) as a solid. To the solution of 52 in DMSO (75 mL) were added Ph3PCH2OMe chloride (29.4 g, 3.6 equiv) in DMSO (75 ml) and t-BuOK (9 g, 3.4 equiv) in one portion. The mixture was stirred for 1 h at rt and 52 (5 g, 1 equiv) in DMSO (50 mL) was added in one portion at 0 C, and then stirred overnight. The reaction solution was poured into water, extracted with EA, washed with brine, dried over Na2SO4, filtered and evaporated. The residue was purified by silica gel column to give 53 (4.1 g, yield 72%) as a yellow solid. TLC (silica gel plate, PE/EA = 10:1): Rf = 0.45. To the solution of 53 (2 g, 8.37 mmol) in THF (42 mL) was added HCl (6 N, 14 mL) at rt and the reaction was refluxed for 1 h. The reaction was cooled, poured into water, extracted with EA, washed with water, brine, dried over anhydrous Na2SO4 and evaporated to give 54 (2.54 g) as crude oil. TLC (silica gel plate, PE/EA = 10:1): Rf = 0.2. To the solution of 54 (2.54 g) in methanol (20 mL) was added NaBH4 (319 mg, 1 equiv) in portions for 10 min. The solution was stirred for 1 hand water (50 mL) was added for 10 min. The solution was extracted with EA, washed with water, dried over Na2SO4 and evaporated to give 55 (2.41 g) as crude oil. TLC (silica gel plate, PE/EA = 3:1): Rf = 0.3. To the solution of 55 (2.41 g) and Et3N (1.2 g, 1.1 equiv) in DCM (35 mL) was added acetyl chloride (0.84 g, 1 equiv) dropwise at 0 C. The reaction wasstirred at 0-C for 2 hand water (50 mL) was added to the reaction solution. The solution was extracted with EA and the organic layer was washed with brine, dried over anhydrous Na2SO4 andevaporated. The residue was purified by silica gel column (PE/EA = 10:1) to give the product 56 (2.2 g, 98% of three steps). 1HNMR(300 MHz, CDCl3): delta 7.57 (d, 1H), 7.48 (d, 1H), 7.37 (t, 1H), 4.32 (t, 2H), 3.15 (t, 2H), 2.03 (s, 1H) ppm. To the mixture of 56 (1 g), pin2B2 (1.04 g, 1.1 equiv) and KOAc (0.73 g, 2 equiv) in 1,4-dioxane (20 mL) was added Pd(dppf)Cl2 (100 mg, 5% equiv) under N2. The reaction was refluxed for 2 h. The reaction solution was cooled to rt, poured into water (50 mL) and extracted with EA. The organic phase was washed with water, brine, dried over anhydrous Na2SO2 and concentrated. The residue was purified by silica gel column (PE/EA = 10:1) to give 57 (0.9 g) as a colorless oil. TLC (silica gel plate, PE/EA = 3:1): Rf = 0.7. To the solution of 57 (1 g) in MeOH (20 mL) was added NaOH (0.254 g, 2 equiv) in one portion at 0 C. The reaction solution was stirred at rt for1 h. MeOH was rotary evaporated to give a residue that was mixed with HCl (6 N, 1.1 mL). The reaction was stirred overnight, quenched with NaOH (1 N, 10 mL), washed with EA. The aqueous phase was acidified with HCl (1 N) to pH 1-2 and extracted with EA. The combined organic layer was washed with brine, dried over Na2SO4, and evaporated to give 58 (540 mg, yield 51%) as a white solid. 1H NMR (300 MHz, DMSO-d6): delta 8.84 (s, 1H), 7.67 (d, 1H), 7.54 (m, 2H), 4.07 (t, 2H), 2.94 (t,2H). MS: m/z = 174 (M+1, ESI+). To the solution of 58 (540 mg, 3.12 mmol) in HCOOH/water (5.4:0.54 mL) was added Raney Ni. The reaction was stirred at 100 C for 1 h, cooled to rt, quenched with water and extracted with EA. The organic phase was washed with water, brine, dried over Na2SO4, and concentrated. The residue was purified by silica gel column (PE/EA = 3:1) to give 59 (460 mg, 85%) as a white solid. 1H NMR (300 MHz, DMSO-d6): delta 10.69 (s, 1H), 9.01 (s, 1H), 7.74 (q, 1H), 7.54 (m, 2H), 4.09 (t, 2H), 2.96 (t, 1H) ppm. MS:m/z = 177(M+1, ESI+). To the solution of Ph3PCH2COOCH2CH3 bromide in THF (6 mL) was added NaH (60%, 68 mg, 3 equiv). The reaction was stirred under N2 for 1 h at rt. Compound 59 (100 mg, 1 equiv) in THF (2 mL) was added in one portion at 0 C. The mixture was stirred overnight, quenched with water (10 mL) and HCl (1 N 10 mL), extracted with EA. The organic phase was washed with brine, dried over Na2SO4 and concentrated. The residue was purified by silica gel column (PE/EA = 10:1-3:1) to give 60 (140 mg, yield 98%) as a white solid. 1H NMR (300 MHz, DMSO-d6): delta 8.73 (s, 1H), 8.70 (d, 1H), 7.70 (d, 1H), 7.42 (t, 1H), 7.26 (d, 1H), 6.45 (d, 1H) 4.30 (q, 2H), 4.03 (t, 2H), 2.89 (t, 2H), 1.20 (t, 3H) ppm. MS: m/z = 255 (M+23, ESI+). T... |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | With lithium hydroxide; In tetrahydrofuran; methanol; water; at 20℃; for 1.0h; | General procedure: To the solution of 23 (26.0 g, 0.103 mol) in THF/MeOH/H2O (55:50:100 mL) was added LiOH?H2O (17.3 g, 0.411 mol, 4 equiv). The mixture was stirred for 1 h and concentrated. DCM was added. The organic layer was washed with 1 N HCl, saturated NaHCO3, brine, dried over anhydrous Na2SO4, filtered and concentrated. The residue was washed with PE to give the product 51 (16.2 g, yield 80%). To the mixture of 51 (14.2 g, 67 mmol) and silica gel (14.2 g) in DCM (268 mL) was added PCC (21.6 g, 0.1005 mol, 1.5 equiv). The mixture was stirred for 2 h. The reaction mixture was filtered and the filtrate was concentrated. The residue was purified by silica gel chromatography to give the desired product 52 (11.8 g, 84.2%) as a solid. To the solution of 52 in DMSO (75 mL) were added Ph3PCH2OMe chloride (29.4 g, 3.6 equiv) in DMSO (75 ml) and t-BuOK (9 g, 3.4 equiv) in one portion. The mixture was stirred for 1 h at rt and 52 (5 g, 1 equiv) in DMSO (50 mL) was added in one portion at 0 C, and then stirred overnight. The reaction solution was poured into water, extracted with EA, washed with brine, dried over Na2SO4, filtered and evaporated. The residue was purified by silica gel column to give 53 (4.1 g, yield 72%) as a yellow solid. TLC (silica gel plate, PE/EA = 10:1): Rf = 0.45. To the solution of 53 (2 g, 8.37 mmol) in THF (42 mL) was added HCl (6 N, 14 mL) at rt and the reaction was refluxed for 1 h. The reaction was cooled, poured into water, extracted with EA, washed with water, brine, dried over anhydrous Na2SO4 and evaporated to give 54 (2.54 g) as crude oil. TLC (silica gel plate, PE/EA = 10:1): Rf = 0.2. To the solution of 54 (2.54 g) in methanol (20 mL) was added NaBH4 (319 mg, 1 equiv) in portions for 10 min. The solution was stirred for 1 hand water (50 mL) was added for 10 min. The solution was extracted with EA, washed with water, dried over Na2SO4 and evaporated to give 55 (2.41 g) as crude oil. TLC (silica gel plate, PE/EA = 3:1): Rf = 0.3. To the solution of 55 (2.41 g) and Et3N (1.2 g, 1.1 equiv) in DCM (35 mL) was added acetyl chloride (0.84 g, 1 equiv) dropwise at 0 C. The reaction wasstirred at 0-C for 2 hand water (50 mL) was added to the reaction solution. The solution was extracted with EA and the organic layer was washed with brine, dried over anhydrous Na2SO4 andevaporated. The residue was purified by silica gel column (PE/EA = 10:1) to give the product 56 (2.2 g, 98% of three steps). 1HNMR(300 MHz, CDCl3): delta 7.57 (d, 1H), 7.48 (d, 1H), 7.37 (t, 1H), 4.32 (t, 2H), 3.15 (t, 2H), 2.03 (s, 1H) ppm. To the mixture of 56 (1 g), pin2B2 (1.04 g, 1.1 equiv) and KOAc (0.73 g, 2 equiv) in 1,4-dioxane (20 mL) was added Pd(dppf)Cl2 (100 mg, 5% equiv) under N2. The reaction was refluxed for 2 h. The reaction solution was cooled to rt, poured into water (50 mL) and extracted with EA. The organic phase was washed with water, brine, dried over anhydrous Na2SO2 and concentrated. The residue was purified by silica gel column (PE/EA = 10:1) to give 57 (0.9 g) as a colorless oil. TLC (silica gel plate, PE/EA = 3:1): Rf = 0.7. To the solution of 57 (1 g) in MeOH (20 mL) was added NaOH (0.254 g, 2 equiv) in one portion at 0 C. The reaction solution was stirred at rt for1 h. MeOH was rotary evaporated to give a residue that was mixed with HCl (6 N, 1.1 mL). The reaction was stirred overnight, quenched with NaOH (1 N, 10 mL), washed with EA. The aqueous phase was acidified with HCl (1 N) to pH 1-2 and extracted with EA. The combined organic layer was washed with brine, dried over Na2SO4, and evaporated to give 58 (540 mg, yield 51%) as a white solid. 1H NMR (300 MHz, DMSO-d6): delta 8.84 (s, 1H), 7.67 (d, 1H), 7.54 (m, 2H), 4.07 (t, 2H), 2.94 (t,2H). MS: m/z = 174 (M+1, ESI+). To the solution of 58 (540 mg, 3.12 mmol) in HCOOH/water (5.4:0.54 mL) was added Raney Ni. The reaction was stirred at 100 C for 1 h, cooled to rt, quenched with water and extracted with EA. The organic phase was washed with water, brine, dried over Na2SO4, and concentrated. The residue was purified by silica gel column (PE/EA = 3:1) to give 59 (460 mg, 85%) as a white solid. 1H NMR (300 MHz, DMSO-d6): delta 10.69 (s, 1H), 9.01 (s, 1H), 7.74 (q, 1H), 7.54 (m, 2H), 4.09 (t, 2H), 2.96 (t, 1H) ppm. MS:m/z = 177(M+1, ESI+). To the solution of Ph3PCH2COOCH2CH3 bromide in THF (6 mL) was added NaH (60%, 68 mg, 3 equiv). The reaction was stirred under N2 for 1 h at rt. Compound 59 (100 mg, 1 equiv) in THF (2 mL) was added in one portion at 0 C. The mixture was stirred overnight, quenched with water (10 mL) and HCl (1 N 10 mL), extracted with EA. The organic phase was washed with brine, dried over Na2SO4 and concentrated. The residue was purified by silica gel column (PE/EA = 10:1-3:1) to give 60 (140 mg, yield 98%) as a white solid. 1H NMR (300 MHz, DMSO-d6): delta 8.73 (s, 1H), 8.70 (d, 1H), 7.70 (d, 1H), 7.42 (t, 1H), 7.26 (d, 1H), 6.45 (d, 1H) 4.30 (q, 2H), 4.03 (t, 2H), 2.89 (t, 2H), 1.20 (t, 3H) ppm. MS: m/z = 255 (M+23, ESI+). T... |
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