Structure of 139155-55-8
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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.
Batch number can be found on the product's label following the word 'Batch'.
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CAS No. : | 139155-55-8 |
Formula : | C10H13Br |
M.W : | 213.11 |
SMILES Code : | CC(C)CC1=CC(Br)=CC=C1 |
MDL No. : | MFCD26405543 |
InChI Key : | YSJTXBKDIUSLGN-UHFFFAOYSA-N |
Pubchem ID : | 18754991 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 11 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.4 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 0.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 53.53 |
TPSA ? Topological Polar Surface Area: Calculated from |
0.0 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.86 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
4.64 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
3.65 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
4.26 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.81 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
3.84 |
Log S (ESOL):? ESOL: Topological method implemented from |
-4.36 |
Solubility | 0.00939 mg/ml ; 0.000044 mol/l |
Class? Solubility class: Log S scale |
Moderately soluble |
Log S (Ali)? Ali: Topological method implemented from |
-4.37 |
Solubility | 0.00917 mg/ml ; 0.000043 mol/l |
Class? Solubility class: Log S scale |
Moderately soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-4.48 |
Solubility | 0.00699 mg/ml ; 0.0000328 mol/l |
Class? Solubility class: Log S scale |
Moderately soluble |
GI absorption? Gatrointestinal absorption: according to the white of the BOILED-Egg |
Low |
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) |
Yes |
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 |
-4.31 cm/s |
Lipinski? Lipinski (Pfizer) filter: implemented from |
1.0 |
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 |
1.0 |
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<2.0 |
Synthetic accessibility? Synthetic accessibility score: from 1 (very easy) to 10 (very difficult) |
1.56 |
* 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 |
---|---|---|
With iodine; magnesium; In tetrahydrofuran; hydrogenchloride; hexane; ethyl acetate; | Preparation 15 A mixture of <strong>[139155-55-8]1-bromo-3-isobutylbenzene</strong> (3.16 g), magnesium (1.08 g), 1,2-dibromoethane (2.78 g) and iodine (10 mg) in tetrahydrofuran (10 ml) was refluxed for 1.5 hours. The mixture was cooled to 25 C., and a solution of 3-isobutylbenzaldehyde (2.40 g) in tetrahydrofuran (10 ml) was added at 25 C. After stirred for 1 hour at the same temperature, the mixture was poured into a mixture of ethyl acetate and 1N hydrochloric acid. The organic layer was separated, washed with water and brine, and dried over magnesium sulfate. After evaporation of the solvent, the residue was chromatographed on silica gel (200 g) eluding with 5% ethyl acetate in hexane to give bis(3-isobutylphenyl)methanol (2.90 g) as a colorless oil. NMR (CDCl3, delta): 0.89 (12H, d, J=7.5 Hz), 1.70-1.95 (2H, m), 2.46 (4H, d, J=7.5 Hz), 5.80 (1H, s), 6.97-7.09 (2H, m), 7.09-7.30 (6H, m) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With copper(I) bromide; In hydrogen bromide; | Preparation 14 To a solution of 3-isobutylphenylamine (3.80 g) in 48% hydrobromic acid (10 ml) was added aqueous sodium nitrite (2.11 g, 2 ml) below 10 C. over 20 minutes. The reaction mixture was added to a solution of cuprous bromide (7.3 g) in 48% hydrobromic acid (5 ml) at 25 C. After stirred at 25 C. for 1 hour, the mixture was extracted with hexane two times. The extracts were combined, washed with water and brine, and dried over magnesium sulfate. After evaporation of the solvent, the residue was chromatographed on silica gel (150 g) eluding with hexane to give 1-bromo-3-isobutylbenzene (2.61 g) as a colorless oil. NMR (CDCl3, delta): 0.92 (6H, d, J=7.5Hz), 1.72-1.98 (1H, m), 2.43 (2H, d, J=7.5Hz), 7.00-7.22 (2H, m), 7.22-7.43 (2H, m) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
42% | lsobutylmagnesium bromide (2M in diethyl ether, 26.5ml, 53mmol) was added over 30 minutes at room temperature to a solution of 1-bromo-3-iodobenzene (1Og, 35.3mmol) and tetrakis(triphenylphosphine)palladium (0) (1.1 g, 0.954mmol) in toluene (160ml). The reaction mixture became green and the temperature was not allowed to rise above 400C. The reaction mixture was then stirred at room temperature for three hours. Aqueous ammonium chloride solution (160ml) was then added (the reaction became red) and the mixture was extracted with diethyl ether (2x100ml). The organics were washed with more ammonium chloride (100ml), dried over magnesium sulphate and concentrated under reduced pressure. The crude product was then purified by distillation to provide the title compound (boiling point 88C under 25mmHg, 3.2Og, 42%). 1H-NMR (400MHz, CDCI3) : delta = 0.90 (d, 6H), 1.85 (m, 1 H), 2.44 (d, 2H), 7.07 (d, 1 H), 7.14 (t, 1 H)1 7.30 (m, 2H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
for the 2-bromo-6-methoxynaphthalene there are obtained respectively the following compounds: 2-(2-naphthyl)propionic acid; 2-(6-methoxy-2-naphthyl)propionic acid; 2-(6-methoxy-2-naphthyl)propionic acid; 2-(phenyl)propionic acid; 2-(4-isobutylphenyl)bromide; 2-(3-phenoxyphenyl)propionic acid; 2-(4-biphenyl)propionic acid; 2-(4'-fluoro-4-biphenyl)propionic acid; and |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
57% | n-Butyl lithium (2.5M in hexanes, 6.4ml, 16.0mmol) was added dropwise over 10 minutes at 00C to a solution of the bromobenzene of Preparation 4 (3.11 g, 14.6mmol) in diethyl ether (30ml). The reaction mixture was stirred at O0C for 15 minutes and then dry N,N-dimethylformamide (1.13ml, 14.6mmol) was added at O0C. The reaction was stirred at O0C for ten minutes, at room temperature for ten minutes and then heated under reflux for four hours. After cooling, the reaction was quenched with water (25ml). The organic phase was separated and the aqueous phase was extracted with more diethyl ether (25ml). The organic phases were combined, washed with water (25ml), dried over magnesium sulphate and concentrated under reduced pressure. The crude product was purified by flash chromatography on silica gel eluting with ethyl acetate: heptane (0:100 to 10:90, by volume) to provide the title compound (1.35g, 57%) as a yellow oil. EPO <DP n="48"/>1H-NMR (400MHz, CD3OD) : delta = 0.92 (d, 6H), 1.91 (m, 1 H), 2.58 (d, 2H), 7.48 (m, 2H), 7.69 (s, 1H), 7.73 (m, 1 H)1 9.96 (s, 1 H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
58% | Step 2: 3-Isobutyl-bromobenzeneA mixture of l-(3-bromo-phenyl-2-methyl-propan-l-ol (1.4 g, 6.5 mmol), triethylsilane (4 ml) and borontrifluoride (4 ml) was heated at reflux for 3 hours. The mixture was poured into 10% hydrochloric acid and extracted with ether. The ether layer was washed with water, dried over magnesium sulfate and filtered. The filtrate was concentrated to provide the title compound (0.8 g, 58%). |