Structure of 20986-40-7
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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. : | 20986-40-7 |
Formula : | C8H8BrNO2 |
M.W : | 230.06 |
SMILES Code : | C1=C(C(OCC)=O)C=NC=C1Br |
MDL No. : | MFCD00040366 |
InChI Key : | PCPIANOJERKFJI-UHFFFAOYSA-N |
Pubchem ID : | 140785 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 12 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.25 |
Num. rotatable bonds | 3 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 0.0 |
Molar Refractivity | 48.02 |
TPSA ? Topological Polar Surface Area: Calculated from |
39.19 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.91 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
2.01 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
2.02 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.4 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
2.2 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.91 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.7 |
Solubility | 0.454 mg/ml ; 0.00197 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.46 |
Solubility | 0.798 mg/ml ; 0.00347 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.37 |
Solubility | 0.099 mg/ml ; 0.000431 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 |
-6.28 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) |
1.7 |
* 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 |
---|---|---|
35% | With bis(tri-t-butylphosphine)palladium(0); dicyclohexylmethylamine; lithium chloride; In 1,4-dioxane; at 110℃; for 16h;Inert atmosphere; | General procedure: A flask containing LiCl (980 mg,23.1 mmol), 2-bromo-4-fluoroanisole (1.0 mL, 7.7 mmol), DCMA (1.8 mL,8.4 mmol) and <strong>[1001-26-9]ethyl 3-ethoxyacrylate</strong> (3.3 mL, 23 mmol) in 1,4-dioxane(20 mL) was degassed by passing a stream of nitrogen through the mixturefor 10 min. Bis(tri-t-butylphosphine) palladium(0) (166 mg, 0.32 mmol) wasadded, and reaction mixture was heated at reflux under nitrogen for 16 h. Thebrown mixture was then cooled and partitioned between ethyl acetate andwater. The layers were separated, and the organic layer was washedsequentially with aqueous NH4Cl and brine, followed by drying over Na2SO4.The mixture was filtered, and the filtrate was concentrated under reducedpressure to give an oil which was purified by flash chromatography on silica(40 g, 10?50percent ethyl acetate in heptane) to afford 22c as an orange oil (1.93 g,92percent) as an inseparable mixture of E- and Z-isomers: 1H NMR (CDCl3, 500 MHz)alkene protons d: 5.21, 5.33 ppm (1:1 ratio); LCMS (ES): 269.2 (MH). HRMSCalcd for C14H17FO: 269.1184. Found: 269.1196. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
29% | The mixture of ethyl 5-bromonicotinate (1 g, 4.34 mmol, 1.0 eq), 4,4,4',4',5,5,5',5'-octamethyl-2,2'-bi(l ,3,2- dioxaborolane) (l . lg, 4.34 mmol, 1.0 eq), Pd(dppf)Cl2 (157 mg, 5%) and KOAc (1.27 g, 13 mmol, 3.0 eq) in dioxane (36 mL) was degassed with N2 and stirred at 85 C overnight. After cooling to rt, 3- (bromomethyl)picolinonitrile (0.85 g, 4.34 mmol, 1.0 eq), Pd(dppf)Ci2 (157 mg, 5%) and an aqueous solution of Na2CC>3 (1.38 g, 13 mmol, 3.0 eq) in 10 mL of water were added. The mixture was degassed with N2 and stirred at 95 C for 2 h. Then the mixture was concentrated. The residue was diluted with EtOAc (100 mL), washed with water, brine and dried over anhydrous sodium sulfate, filtered and purified via silica flash chromatography (PE/EtOAc = 1/1) to afford ethyl 5-((2-cyanopyridin-3-yl)methyl)nicotinate as a yellow solid (340 mg, 29%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
92% | With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; cesium fluoride; In 1,2-dimethoxyethane; at 80℃; for 4.5h;Schlenk technique; Inert atmosphere; | General procedure: A Schlenk tube was dried under vacuum, filled with nitrogen and charged consecutively with 1.00 eq bromine substrate, 1.00 eq boronic acid, 2.10 eq CsF, 0.05 eq PdCl2(dppf)*DCM and anhydrous DME (2 mL/0.15 mmol bromoarene). The suspension was degassed by vacuum/N2 cycles and stirred at 80 C. As TLC analysis or GC-MS analysis indicated full conversion of the starting material, the reaction mixture was cooled to rt and filtered through a pad of celite, which was rinsed with EtOAc and/or DCM. The solvent from the filtrate was removed under reduced pressure and final purification by column chromatography or silica gel filtration yielded the pure product. |
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