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Type | HazMat fee for 500 gram (Estimated) |
Excepted Quantity | USD 0.00 |
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Structure of 2631-72-3
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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.
4.5
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CAS No. : | 2631-72-3 |
Formula : | C8H5BrCl2O |
M.W : | 267.93 |
SMILES Code : | ClC1=CC=C(C(CBr)=O)C(Cl)=C1 |
MDL No. : | MFCD00053005 |
Boiling Point : | No data available |
InChI Key : | DASJDMQCPIDJIF-UHFFFAOYSA-N |
Pubchem ID : | 75828 |
GHS Pictogram: |
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Signal Word: | Danger |
Hazard Statements: | H302-H314 |
Precautionary Statements: | P260-P264-P270-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P405-P501 |
Class: | 8 |
UN#: | 3261 |
Packing Group: | Ⅱ |
Num. heavy atoms | 12 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.12 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 1.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 54.53 |
TPSA ? Topological Polar Surface Area: Calculated from |
17.07 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.16 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
3.65 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
3.57 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
3.37 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.98 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
3.35 |
Log S (ESOL):? ESOL: Topological method implemented from |
-4.04 |
Solubility | 0.0245 mg/ml ; 0.0000915 mol/l |
Class? Solubility class: Log S scale |
Moderately soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.7 |
Solubility | 0.0538 mg/ml ; 0.000201 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-4.84 |
Solubility | 0.00391 mg/ml ; 0.0000146 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) |
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 |
-5.34 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 |
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) |
1.89 |
* 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 |
---|---|---|
77% | With potassium carbonate; In acetone; at 20℃; for 12h; | Example 3A Ethyl 1-[2-(2,4-dichlorophenyl)-2-oxoethyl]-1H-imidazole-2-carboxylate 0.5 g (3.6 mmol) of imidazole-2-carboxylate ethyl were dissolved in 35 ml of acetone, and 0.96 g (3.6 mmol) of 2-bromo-2,4-dichloroacetophenone and 0.49 g (3.6 mmol) of potassium carbonate were added. The mixture was stirred at RT for 12 h. The reaction mixture was concentrated and taken up in water and dichloromethane. The organic phase was washed with saturated aqueous sodium chloride solution, dried over magnesium sulfate and concentrated on a rotary evaporator. The residue was triturated with diethyl ether and the solid was filtered off with suction. This gave 0.9 g (77percent of theory) of the product as a solid. LCMS (method 1): Rt=1.19 min. (m/z=327 (M+H)+) 1H-NMR (400 MHz, DMSO-d6): delta=7.96 (d, 1H), 7.84 (d, 1H), 7.68 (dd, 1H), 7.5 (s, 1H), 7.16 (s, 1H), 5.87 (s, 2H), 4.22 (q, 2H), 3.32 (s, 2H), 1.23 (t, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With toluene-4-sulfonic acid; In toluene; at 130℃;Product distribution / selectivity; | Example 23; Synthesis of (4S)-trans-,cis-2-(4-chlorophenyl)-2-bromomethyl-4-chloromethyl-1,3-dioxolane suppressing halogen exchange between substrates A mixture of 2-bromo-4'-chloroacetophenone (4.94 g, 2-chloro-4'-chloroacetophenone content=0.09%), p-toluenesulfonic acid monohydrate (0.20 g, 0.05 equivalent) and toluene (100 mL) was refluxed at 130C using an azeotropic distillation device with a Dean-Stark tube, and (S)-monochlorohydrin (2.59 g, 1.1 equivalents, >99%ee) was added dropwise under reflux such that the amount of the (S)-monochlorohydrin present in the reaction solution would be not more than 0.1 equivalent (not more than 2.1 mmol) relative to the amount of 2-bromo-4'-chloroacetophenone to be used (21.2 mmol), while analyzing the progress of the reaction by GC. After confirmation of the completion of the azeotropic distillation, the reaction mixture was cooled and washed with 10% aqueous sodium hydrogen carbonate solution and 10% brine. The solvent was evaporated under reduced pressure to give (4S)-trans-,cis-2-(4-chlorophenyl)-2-bromomethyl-4-chloromethyl-1,3-dioxolane (6.56 g, >99%ee). Here, the content percentage of (4S)-trans-,cis-2-(4-chlorophenyl)-2-chloromethyl-4-chloromethyl-1,3-dioxolane halogen-exchanged with a chlorine atom was 0.09%. Examples 30 to 41 Synthesis of (4S)-trans-cis-2-aryl-2-bromomethyl-4-chloromethyl-1,3-dioxolane suppressing halogen exchange In Examples 30 to 41, reactions were performed according to Example 23 and using aryl(bromomethyl)ketones (halogen-exchanged compound content<0.1%) shown in Table 7 and Table 8. The results are shown in Table 9 and Table 10 together with Example 23. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | With polyethylene glycol (PEG-400); In water; for 0.133333h;Microwave irradiation; Green chemistry; | To stirred solution of polyethylene glycol (PEG-400) (2 mL) in water (2 mL) were added 1-(2-amino-4-methylthiazol-5-yl)ethanone (2 mmol)/ethyl 2-amino-4-methylthiazole-5-carboxylate (2 mmol) and α-bromo aralkyl ketones (phenacyl bromides) (2 mmol), and the mixture was heated at 90 C or subject to microwave irradiation at 300 W, until reaction completion as indicated by TLC. After reaction completion, the reaction mixture was cooled at room temperature, and the solid product formed was collected by filtration, washed with water, and recrystallized from ethanol to give pure product. The recovered PEG with water was reused for five further cycles. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With polyethylene glycol (PEG-400); In water; for 0.133333h;Microwave irradiation; Green chemistry; | To stirred solution of polyethylene glycol (PEG-400) (2 mL) in water (2 mL) were added 1-(2-amino-4-methylthiazol-5-yl)ethanone (2 mmol)/ethyl 2-amino-4-methylthiazole-5-carboxylate (2 mmol) and α-bromo aralkyl ketones (phenacyl bromides) (2 mmol), and the mixture was heated at 90 C or subject to microwave irradiation at 300 W, until reaction completion as indicated by TLC. After reaction completion, the reaction mixture was cooled at room temperature, and the solid product formed was collected by filtration, washed with water, and recrystallized from ethanol to give pure product. The recovered PEG with water was reused for five further cycles. |
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