Structure of 94050-90-5
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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. : | 94050-90-5 |
Formula : | C9H10O4 |
M.W : | 182.17 |
SMILES Code : | C[C@@H](OC1=CC=C(O)C=C1)C(O)=O |
MDL No. : | MFCD00274088 |
InChI Key : | AQIHDXGKQHFBNW-ZCFIWIBFSA-N |
Pubchem ID : | 179741 |
GHS Pictogram: |
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Signal Word: | Danger |
Hazard Statements: | H318 |
Precautionary Statements: | P280-P305+P351+P338-P310 |
Num. heavy atoms | 13 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.22 |
Num. rotatable bonds | 3 |
Num. H-bond acceptors | 4.0 |
Num. H-bond donors | 2.0 |
Molar Refractivity | 46.34 |
TPSA ? Topological Polar Surface Area: Calculated from |
66.76 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.2 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.33 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.24 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.79 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
0.78 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.07 |
Log S (ESOL):? ESOL: Topological method implemented from |
-1.95 |
Solubility | 2.04 mg/ml ; 0.0112 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.33 |
Solubility | 0.846 mg/ml ; 0.00464 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-1.37 |
Solubility | 7.74 mg/ml ; 0.0425 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) |
No |
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 |
-6.47 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 |
0.56 |
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) |
1.96 |
* 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 |
---|---|---|
99.2% | With sulfuric acid; In toluene; at 85 - 108℃; for 4h; | 600 mL of toluene was placed in a 1500 mL four-necked flask.<strong>[94050-90-5](R)-2-(4-hydroxyphenoxy)propionic acid</strong> 367.6 g (2.0 mol),224.2 g (3.0 mol) of n-butanol, 36.8 g of concentrated sulfuric acid catalyst, stirring,Then the temperature is raised to 85-90 C, and the reaction is kept for 4 hours.Continue to raise the temperature to 105-108 C, extract a mixture of excess n-butanol and toluene, sample HPLC analysis, to <strong>[94050-90-5](R)-2-(4-hydroxyphenoxy)propionic acid</strong> <0.3%,The reaction is over. Reduce to room temperature, add 150 mL of water to wash, and let stand for stratification.Wash again with 100 mL of water, desolvate to dryness,Get oil,That is, 473.0 g of <strong>[94050-90-5]R-(+)-2-(4-hydroxyphenoxy)propionic acid</strong> butyl ester, yield: 99.2%, content: 99.1%, optical 99.4%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
50% | Example 7. Preparation of Compound of Formula (I): (2R)-2-{4-[(7-Bromoquinolin-2- yl)oxy]phenoxy}propionic acid. An inerted rector equipped with a mechanical stirrer, a reflux condenser and a temperature probe was charged with 7-bromo-2-chloroquinoline (0.9225 Kg, 3.81 mole), of R-(+)-2-(4-hydroxy-phenoxy) propionic acid (0.721 Kg, 3.81 mole), potassium carbonate (1.319 Kg, 9.48 mole, 2.5 equiv.), and anhydrous dimethylformamide (4.254 Kg) with stirring at 200-300 rpm. The reaction mixture was then heated to 130 to 140C over a period of 1 hour. A temperature of 130 to 14O0C was maintained for a period of 15 hours. The reaction mixture was cooled to 15 to 200C when it became thick. The reactor was then charged with USP purified water (13.84 Kg) and treated slowly by addition of concentrated HCl (834.7 g). At the end of the addition of HCl, a precipitate was observed, and the pH of the mixture was between pH 3 to 4. The solid was extracted with ethyl acetate (8 L), and the ethyl acetate extract was washed with USP purified water (2 x 2L), followed by two washes with 10% citric acid solution. The ethyl acetate solution was then treated with 100 g of Darco G-60 charcoal and stirred for 30 minutes at 22C and filtered through a 10 micron polypropylene filter. The ethyl acetate extract thus obtained was distilled off at reduced (100 mm Hg) pressure. After .4 of the volume of ethyl acetate had distilled out, 6 L of isopropyl alcohol were added and the distillation was continued until another Vi volume of ethyl acetate distilled off. 4 Kg of USP purified water were then added slowly, and cooling was applied at10C/hour to reach a final temperature of 22C. The product crystallized out of the solution. The product was filtered through a polypropylene filter. The wet cake was dried in an isolator at 4O0C in a vacuum oven. The final yield of desired product was 0.753 Kg. A manual sieving was performed though a polyethylene sieve. Yield: 50%. |
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