Structure of 4341-76-8
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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. : | 4341-76-8 |
Formula : | C6H8O2 |
M.W : | 112.13 |
SMILES Code : | CC#CC(OCC)=O |
MDL No. : | MFCD00015182 |
InChI Key : | FCJJZKCJURDYNF-UHFFFAOYSA-N |
Pubchem ID : | 78043 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H227-H315-H319-H335 |
Precautionary Statements: | P210-P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P321-P332+P313-P337+P313-P362-P370+P378-P403+P233-P403+P235-P405-P501 |
Num. heavy atoms | 8 |
Num. arom. heavy atoms | 0 |
Fraction Csp3 | 0.5 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 30.4 |
TPSA ? Topological Polar Surface Area: Calculated from |
26.3 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.17 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.47 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
0.65 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.17 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
0.75 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.24 |
Log S (ESOL):? ESOL: Topological method implemented from |
-1.33 |
Solubility | 5.25 mg/ml ; 0.0469 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.63 |
Solubility | 2.64 mg/ml ; 0.0235 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-0.77 |
Solubility | 19.0 mg/ml ; 0.169 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 |
-5.94 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) |
2.91 |
* 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 |
---|---|---|
6.5% | With sodium azide;copper(ll) sulfate pentahydrate; sodium carbonate; sodium L-ascorbate; L-proline; In water; dimethyl sulfoxide; at 20 - 65℃; | Intermediate 5: Ethyl 1-(3-chloro-4-fluorophenyl)-5-methyl-1 H-1 ,2,3-triazole-4- carboxylate; To a mixture of <strong>[156150-67-3]2-chloro-1-fluoro-4-iodobenzene</strong> (0.5 g, 1.950 mmol) and ethyl 2- butynoate (0.227 ml, 1.950 mmol) in water/DMSO (0.22ml/2ml) at room temperature was added L-proline (0.045 g, 0.390 mmol), sodium carbonate (0.041 g, 0.390 mmol), sodium azide (0.152 g, 2.340 mmol), sodium l-ascorbate (0.039 g, 0.195 mmol) and copper(ll) sulfate pentahydrate (0.024 g, 0.097 mmol) (in this order) and the mixture was heated at 65 0C overnight. On cooling to room temperature, the mixture was quenched with aqueous ammonia (1 ml) and EtOAc (20ml) and water (20 ml) were added. The two phases were separated, and the aqueous phase was extracted with EtOAc (3 x 30 ml). All organic phases were combined and washed with water/brine (50ml) repeatedly. The organic phase was dried over sodium sulfate, filtered and the solvent was evaporated to afford a crude product that was purified by MDAP to afford the title compound (6.5%); MH+=284. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | With 1,8-diazabicyclo[5.4.0]undec-7-ene; In tetrahydrofuran;Reflux; | Example 67 (S)-2-[4-(2-Chloro-6-fluoro-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-3-cyclohexyl-N-[1-(2-hydroxy-2-methyl-propyl)-1H-pyrazol-3-yl]-propionamide To a stirred mixture of <strong>[2040-90-6]2-chloro-6-fluoro-phenol</strong> (2.92 g, 20.0 mmol) and ethyl-2-butynoate (4.37 g, 38.90 mmol) in tetrahydrofuran (30 mL) was added 1,8-diazabicyclo[5.4.0]undec-7-ene (3.04 g, 20.0 mmol) slowly. After addition was complete the mixture was stirred at reflux for 4 h. Upon completion of the reaction the tetrahydrofuran was removed in vacuo and the residue was diluted in diethyl ether and washed first with 1N aqueous hydrochloric acid, then 10percent aqueous sodium hydroxide solution, a saturated sodium chloride solution and dried over magnesium sulfate. The crude product obtained was purified by ISCO flash chromatography (Teledyne Isco RediSep Flash Column 120 g, 0percent to 20percent ethyl acetate/hexanes) to afford, (E)-3-(2-chloro-6-fluoro-phenoxy)-but-2-enoic acid ethyl ester (3.70 g, 71percent) as a colorless oil: 1H-NMR (300 MHz, CDCl3) delta ppm 1.14-1.30 (m, 3H), 2.55 (s, 3H), 3.94-4.25 (m, 2H), 4.81 (br. s., 1H), 7.02-7.21 (m, 3H). |
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