Structure of 184363-66-4
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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. : | 184363-66-4 |
Formula : | C12H13NO3 |
M.W : | 219.24 |
SMILES Code : | O=C1OC[C@H](C2=CC=CC=C2)N1C(CC)=O |
MDL No. : | MFCD06658223 |
InChI Key : | TYZVFKRBBHHHSX-SNVBAGLBSA-N |
Pubchem ID : | 2755242 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 16 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.33 |
Num. rotatable bonds | 3 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 62.01 |
TPSA ? Topological Polar Surface Area: Calculated from |
46.61 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.55 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.68 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.41 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.46 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.65 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.55 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.34 |
Solubility | 1.01 mg/ml ; 0.0046 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.27 |
Solubility | 1.17 mg/ml ; 0.00533 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.71 |
Solubility | 0.427 mg/ml ; 0.00195 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 |
-6.44 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 |
0.0 |
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) |
2.55 |
* 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 |
---|---|---|
90% | General procedure: (S) -4-benzyl-3-propionyloxazolidinone (16.5 g, 1.1 eq)Was dissolved in 40 ml of dichloromethane, cooled to 0 C,A solution of titanium tetrachloride (14 g, 1.1 eq) in dichloromethane was added dropwise,After the drop, keep stirring below 0 C for 10 min.Diisopropylethylamine (9.7 g, 1.1 eq) was added dropwise,After the drop, keep stirring below 0 C for 30 min. The compound (II-b) (30 g, 1 equiv)Dissolved in methylene chloride, added dropwise to the reaction system,After the dropwise addition, the mixture was stirred at 20 to 25 C for 10 hours.To the reaction system, an aqueous solution of saturated ammonium chloride was added,Extracted with dichloromethane, and the resulting organic phases were washed with water and water, respectivelyWashed with saturated brine and dried over anhydrous sodium sulfate.The solvent was removed by evaporation under reduced pressure to give the crude product. The crude product was purified by column chromatography,To give the title compound (IV-a) (33.9 g, yield 91%).HPLC detection, no enantiomeric detection, that is, chiral purity of 100%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
75% | (S) -4-benzyl-3-propionyloxazolidinone (16.5 g, 1.1 eq)Was dissolved in 40 ml of dichloromethane, cooled to 0 C,A solution of titanium tetrachloride (14 g, 1.1 eq) in dichloromethane was added dropwise,After the drop, keep stirring below 0 C for 10 min.Diisopropylethylamine (9.7 g, 1.1 eq) was added dropwise,After the drop, keep stirring below 0 C for 30 min. The compound (II-b) (30 g, 1 equiv)Dissolved in methylene chloride, added dropwise to the reaction system,After the dropwise addition, the mixture was stirred at 20 to 25 C for 10 hours.To the reaction system, an aqueous solution of saturated ammonium chloride was added,Extracted with dichloromethane, and the resulting organic phases were washed with water and water, respectivelyWashed with saturated brine and dried over anhydrous sodium sulfate.The solvent was removed by evaporation under reduced pressure to give the crude product. The crude product was purified by column chromatography,To give the title compound (IV-a) (33.9 g, yield 91%).HPLC detection, no enantiomeric detection, that is, chiral purity of 100%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
69% | (S) -4-benzyl-3-propionyloxazolidinone (16.5 g, 1.1 eq)Was dissolved in 40 ml of dichloromethane, cooled to 0 C,A solution of titanium tetrachloride (14 g, 1.1 eq) in dichloromethane was added dropwise,After the drop, keep stirring below 0 C for 10 min.Diisopropylethylamine (9.7 g, 1.1 eq) was added dropwise,After the drop, keep stirring below 0 C for 30 min. The compound (II-b) (30 g, 1 equiv)Dissolved in methylene chloride, added dropwise to the reaction system,After the dropwise addition, the mixture was stirred at 20 to 25 C for 10 hours.To the reaction system, an aqueous solution of saturated ammonium chloride was added,Extracted with dichloromethane, and the resulting organic phases were washed with water and water, respectivelyWashed with saturated brine and dried over anhydrous sodium sulfate.The solvent was removed by evaporation under reduced pressure to give the crude product. The crude product was purified by column chromatography,To give the title compound (IV-a) (33.9 g, yield 91%).HPLC detection, no enantiomeric detection, that is, chiral purity of 100%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
63% | With titanium tetrachloride; N-ethyl-N,N-diisopropylamine; In dichloromethane; at -10℃; for 0.5h; | Weigh 2.2 g (10 mmol) of oxazolone ester (Formula VIII, R1 = phenyl, R2 = R3 = hydrogen) with a magnetic stirrer,The thermometer and the dropping funnel were dissolved in 20 ml of dichloromethane and cooled to -10 C.1.7 g (10 mmol) of titanium tetrachloride was added in that order, and 2.6 ml of diisopropylethylamine (20 mmol) was added thereto, and the mixture was kept for 1 hour.2.1 g (10 mmol) of the compound of formula III was dissolved in 10 ml of dichloromethane.This solution was slowly added dropwise to the solution of oxazolone and further stirred at the same temperature for 30 minutes.The reaction was quenched by the addition of 10% aqueous citric acid.The mixture was stood still, the aqueous layer was extracted with 30 ml of dichloromethane, and the organic phase was washed with 30 ml of water.Dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure.40 ml of methyl tert-butyl ether was added to the residue, and the suspension thus obtained was stirred at 20 to 25 C for 10 minutes, and then the product was isolated by filtration.Drying under reduced pressure gave a pale yellow crystalline compound (IV, R1 = phenyl, R2 = R3 = hydrogen). Yield: 2.72 g (63%) Purity: 98.3% |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91.3% | With 2-chloro-1-methylpyridinium p-toluenesulfonate; triethylamine; In dichloromethane; at 25℃; for 5h; | Add 10 ml of dichloromethane, 500 ml of triethylamine (3.6 mol), and phenyloxazolidinone 163 g to a 5-liter four-necked bottle.(1 mol), propionic acid 80 g (1.1 mol), 300 g (1 mol)2-chloropyridine methyl p-toluenesulfonate salt 1000 ml of dichloromethaneThe solution was added and stirred at 25 C for 5 hours. TLC showed the reaction was complete, and the mixture was extracted with water and washed with water and saturated brine.The organic phase was dried over anhydrous sodium sulfate, concentrated, and then recrystallised to give product 200 g, yield: 91.3%, HPLC purity >99%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
To the reaction flask was added 150 mL of a 1 M solution of LiHMDS (lithium bis(trimethylsilyl)amide) in tetrahydrofuran. Cool to -50 C. Slowly drip the tetrahydrofuran containing 32.8 g (0.15 mol, 1.1 eq) of <strong>[184363-66-4](S)-4-phenyl-3-propionyloxazolidinone</strong>(60mL) solution,The mixture was further stirred at -50 C for 80 minutes.Dropping 50 g (0.134 mol, 1.0 eq) containing compound IIb Anhydrous tetrahydrofuran (100 mL) solution,Continue to incubate for 30 minutes after the dropwise addition.Slowly warm to room temperature and stir. Complete to the substrateConversion.Wash the organic layer with saturated ammonium chloride solution (100ml), water (100ml), saturated brine (100ml), separate, organicThe layer was dried over anhydrous MgSO4 and evaporated.53.2 g of crude compound IIIb were obtained, The yield was 87.3%. |
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