Structure of 128071-75-0
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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. : | 128071-75-0 |
Formula : | C6H4BrNO |
M.W : | 186.01 |
SMILES Code : | BrC1=NC=CC=C1C=O |
MDL No. : | MFCD04966945 |
InChI Key : | GNFWMEFWZWXLIN-UHFFFAOYSA-N |
Pubchem ID : | 4714951 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H317-H319 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 9 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 37.32 |
TPSA ? Topological Polar Surface Area: Calculated from |
29.96 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.39 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.34 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.66 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.56 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.2 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.43 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.26 |
Solubility | 1.01 mg/ml ; 0.00544 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.57 |
Solubility | 5.0 mg/ml ; 0.0269 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.83 |
Solubility | 0.278 mg/ml ; 0.00149 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 |
-6.48 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 |
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 |
2.0 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) |
1.46 |
* 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 sodium hydroxide; sodium tris(acetoxy)borohydride; In acetic acid; 1,2-dichloro-ethane; | Step A N-((2-Bromo(3-pyridyl))methyl)-<strong>[5754-35-8]2-(1,3-dioxolan-2-yl)ethylamine</strong> To a solution of 2-bromopyridine-3-carbaldehyde (3.53 g, 19.0 mmol, 1.0 eq) (Melnyk et al., Synthetic Commun. 23(19):2727-2730, 1993) in 1,2-dichloroethane (50 mL) was added <strong>[5754-35-8]2-(1,3-dioxolan-2-yl)ethylamine</strong> (TCI-GR, 2.67 g, 22.8 mmol, 1.2 eq), sodium triacetoxyborohydride (Aldrich, 1.61 g, 76 mmol, 4.0 eq) and glacial acetic acid (1.14 g, 19 mmol, 1.0 eq). The reaction mixture was stirred under nitrogen at room temperature for 2 h. The reaction was quenched with 1.0 N aqueous NaOH to about pH 8 and the solution was extracted with EtOAc (200 mL*3). The organic extracts were washed with saturated NaCl, dried with MgSO4, filtered and concentrated. Flash column chromatography (silica gel, 0-10% EtOAc-Hexane) afforded the title compound as a colorless oil. MS m/z 377 (Br=79, M+H), 379 (Br=81, M+H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
76% | With sodium sulfate; triethylamine; In tetrahydrofuran; at 80℃; for 3h;Microwave irradiation; | General procedure: In a 20 mL glass tube equipped with septa, the aldehyde, dry Na2SO4 (2.81 equiv) and triethylamine (2 equiv) were suspended in dry THF. Then, the hydroxylamine hydrochloride (2 equiv) was added. The mixture was stirred for 30 s, and then exposed to MWI (250 W) at 80 °C during the time indicated for each compound. When the reaction was over (TLC analysis), the reaction mixture was diluted with water, extracted with CH2Cl2, dried over anhydrous sodium sulphate, filtered and the solvent was evaporated. The resultant solid was purified by column chromatography to give pure compounds. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
60% | With potassium carbonate;tetrakis(triphenylphosphine) palladium(0); In tetrahydrofuran; water; for 5h;Reflux; | After 2-bromo-3-formyl-pyridine (1.86 g, 10 mmol) and <strong>[458532-98-4]3-chloro-4-pyridylboronic acid</strong> (1.57 g, 10 mmol) were dissolved in tetrahydrofuran (THF) (30 mL), 2M potassium carbonate aqueous solution (20 mL) was added thereto, and tetrakistriphenylphosphino palladium (Pd(PPh3)4 (231 mg, 2 mol%) was put thereinto, agitated and refluxed for 5 hours. The temperature was lowered to normal temperature, the water layer was removed, and the organic layer was dried with anhydrous magnesium sulfate and filtered. The filtered solution was concentrated under the reduced pressure to prepare the compound A-39 (1.31 g, 60%). MS: [M+H]+=219 |
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