Structure of 174913-09-8
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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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CAS No. : | 174913-09-8 |
Formula : | C7H6BrClO |
M.W : | 221.48 |
SMILES Code : | BrC1=C(C=C(C=C1)Cl)OC |
MDL No. : | MFCD03790889 |
InChI Key : | CQGYLDZGJLVLMK-UHFFFAOYSA-N |
Pubchem ID : | 17984845 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H332-H335 |
Precautionary Statements: | P261-P280-P305+P351+P338 |
Num. heavy atoms | 10 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.14 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 1.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 45.64 |
TPSA ? Topological Polar Surface Area: Calculated from |
9.23 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.48 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
3.41 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
3.11 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
3.15 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
3.14 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
3.06 |
Log S (ESOL):? ESOL: Topological method implemented from |
-3.74 |
Solubility | 0.0404 mg/ml ; 0.000182 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.28 |
Solubility | 0.115 mg/ml ; 0.00052 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-4.0 |
Solubility | 0.0221 mg/ml ; 0.0001 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 |
-5.23 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 |
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) |
1.57 |
* 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 |
---|---|---|
97% | With tetra-(n-butyl)ammonium iodide; potassium carbonate; In N,N-dimethyl-formamide; for 2h; | Preparation Example 27 Synthesis of 1-bromo-4-chloro-3-(4-ethoxybenzyl)-6-methoxybenzene; A suspension of <strong>[13659-23-9]2-bromo-5-chlorophenol</strong> (2.85 g, 13.7 mmol; synthesized in reference to International Patent Publication WO0109122), potassium carbonate (1.89 g, 13.7 mmol), n-BU4NI (50 mg, 0.137 mmol), methyl iodide (1.28 mL, 20.6 mmol) and N,N-dimethylformamide (8.0 mL) was stirred for two hours. An iced water was added and the obtained mixture was extracted with ethyl acetate twice. The combined organic phase was washed with brine and dried with anhydrous magnesium sulfate. After the desiccant was filtered off, the residue obtained by evaporating the solvent under reduced pressure was purified by silica gel column chromatography (hexane:ethyl acetate=95:5) to obtain colorless oily 2-bromo-5-chloroanisole (2.94 g, 97%). Then, oxalyl chloride (1.23 mL, 15.1 mmol) and N,N-dimethylformamide (2 drops) were added to 4-ethoxybenzoic acid (2.28 g, 13.7 mmol) in chloroform (8 mL) and stirred for five hours. The yellow oil obtained by evaporating the solvent under reduced pressure was dissolved in chloroform (5 mL). To this solution, a chloroform solution (10 mL) of 2-bromo-5-chloroanisole (2.94 g, 13.3 mmol) was added and then aluminum chloride (2.07 g, 15.5 mmol) was added portion wise at -10C over five minutes. After stirred at 5C for one hour, the reaction mixture was to room temperature and stirred for 13 hours. The reaction mixture was poured into an iced water and extracted with chloroform three times. After washed with 1 M hydrochloric acid, water, brine, the combined organic layer was dried with anhydrous magnesium sulfate. After the desiccant was filtered off, the residue obtained by evaporating the solvent under reduced pressure was purified by NH type silica gel column chromatography (hexane:ethyl acetate=9:1) to obtain (5-bromo-2-chloro-6-methoxyphenyl)(4-ethoxyphenyl)methanone (1.53 g, 31%) as a colorless crystal. Then, Et3SiH (1.62 mL, 10.1 mmol) and BF3·Et2O (0.772 mL, 6.09 mmol) were added sequentially to a chloroform - acetonitrile (1:1; 16 mL) solution of (5-bromo-2-chloro-6-methoxyphenyl)(4-ethoxyphenyl)methanone (1.50 g, 4.06 mmol) at -5C. The reaction mixture was warmed to room temperature and stirred for 16 hours. After the reaction mixture was added with a saturated sodium carbonate aqueous solution and extracted with chloroform, the organic layer was washed with brine and dried with anhydrous magnesium sulfate. After the desiccant was filtered off, the residue obtained by evaporating the solvent under reduced pressure was purified by silica gel column chromatography (hexane:ethyl acetate=20:1) to obtain a colorless oily title compound (1.48 g, 99%). 1H NMR (200 MHz, CHLOROFORM-d) delta ppm 1.40 (t, J=7.0 Hz, 3 H) 3.87 (s, 3 H) 3.93 (s, 2 H) 4.01 (q, J=7.0 Hz, 2 H) 6.77 - 6.87 (m, 2 H) 6.90 (s, 1 H) 7.03 - 7.12 (m, 2 H) 7.29 (s, 1 H). EI 354(M+), 356(M+2), 358(M+4). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
32% | With boron tribromide; In dichloromethane; at -40 - 20℃; for 12.33h; | To a solution of 1-bromo-5-chloro-2 methoxyphenyl 275 (2.5 g, 11 mmol, 1 eq) in DCM (100 mL) was added dropwise BBr3 (1 M solution in DCM, 38.5 mmol, 3.5 eq) over 20 min at -40 C. The solution was warmed to rt and stirred for 12 h. TLC (3:2 Hexane:DCM) showed complete consumption of 275. The solution was quenched with NaHCO3 and stirred until two phases appeared. The organic was separated, washed with brine, dried, filtered and concentrated in vacuo to afford 0.80 g of 276 as a white solid which was used without purification. Yield 32% |
2-Bromo-5-chloroanisole (461 mg, 2.08 mmol) was dissolved in anhydrous dichloromethane (5 mL) and cooled to 0 C. To the cooled solution was added boron tribromide solution (1M in dichloromethane, 2 eq). The reaction mixture was stirred at 0 C. for 5 minutes, warmed to room temperature and stirred at room temperature for 2 hours. The reaction mixture was then poured into ice-water and extracted with ethyl acetate (3×). The combined organic layer was then dried over sodium sulfate, filtered and concentrated to get the crude phenol which was used in the next step without further purification. |
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