Structure of 395652-44-5
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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. : | 395652-44-5 |
Formula : | C9H9NO |
M.W : | 147.17 |
SMILES Code : | OCCC#CC1=NC=CC=C1 |
MDL No. : | MFCD18384524 |
InChI Key : | WYJPBKGKJJFGPR-UHFFFAOYSA-N |
Pubchem ID : | 11008063 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 11 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.22 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 42.95 |
TPSA ? Topological Polar Surface Area: Calculated from |
33.12 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.86 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
0.86 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
0.9 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.78 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.83 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.25 |
Log S (ESOL):? ESOL: Topological method implemented from |
-1.63 |
Solubility | 3.43 mg/ml ; 0.0233 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (Ali)? Ali: Topological method implemented from |
-1.14 |
Solubility | 10.7 mg/ml ; 0.0726 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.32 |
Solubility | 0.703 mg/ml ; 0.00478 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 |
-6.59 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 |
1.0 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) |
2.31 |
* 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 |
---|---|---|
67% | With potassium phosphate In water; isopropyl alcohol at 80℃; for 20 h; Sealed tube | General procedure: In a sealed tube, aryl iodide (1 mmol, 1 equiv.), K3PO4(2 mmol,2 equiv.), catalyst (2 molpercent Pd) were suspended in i-PrOH (3 mL)and H2O (3 mL). The acetylene derivative (1.2 mmol, 1.2 equiv.)was added and the resulting mixture was stirred at 80C for 20 h.After cooling to room temperature, EtOAc (20 mL) and H2O (20 mL)were added and the mixture was filtered over a pad of Celite®.The aqueous layer was extracted twice with EtOAc (2 × 20 mL). Thecollected organics extracts were washed by brine (60 mL), driedon MgSO4, filtered and concentrated under reduced pressure. Thecrude product was purified by flash chromatography. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In 1,4-dioxane at 20℃; Inert atmosphere | Under nitrogen atmosphere, and at r.t., CuT (0.06 g, 0.31 mmol), dry Et3N (1.32 mL, 9.49 mmol) and bis-(triphenylphosphine)-palladium chloride (0.13 g, 0.18 mmol) were sequentially added to a solution of 2-bromopyridine (0.60 mL, 6.33 mmol) in 1,4-dioxane (10 mL). Then, but-3-yn-1-ol (0.57 mL, 7.59 mmol) was added dropwise at the same temperature.The resulting reaction mixture was left stirred overnight, then concentrated under reduced pressure, dissolved in EtOAc (80 mL) and washed with H20 (3 x 10 mL). The organic layer was dried over Na2504 and concentrated to dryness to give an oily crude (1.1 g). Purification by typical silica gel flash chromatography using a Teledyne ISCO apparatus (Cy/EtOAc from 90:10 to 30:70) afforded the pure title compound (0.84 g, 90percent), as a white solid. R= 1.25 mm. MS(ESI) m/z: 148 EM-H], 170 EM-Na], 186 EM-K]. ‘H NMR (DMSO-d6): ö 8.55—8.49 (m, 1H),7.76 (td, 1H, J= 7.8, 1.8 Hz), 7.44 (d, 1H, J= 7.8 Hz), 7.33 (ddd, 1H, J= 7.8, 4.9, 1.8 Hz), 4.92 (t, 1H, J= 5.2 Hz), 3.62-3.58 (m, 2H), 2.58 (t, 2H, J= 6.8 Hz). |
77% | at 0 - 70℃; | Example 199 ;3 -Methoxy- N -methyl- N -( 4-(pyridin- 2-yl)but - 3 -ynyl)benzamide; 199(A) 4-(Pyridin-2-yl)but-3-yn-1-01; To a suspension of CuI (301 mg, 1.58 mmol) in TEA (40 mL) were added 2- bromopyridine (5 g, 31.6 mmol), followed by Pd2Cl2(PPh3)2 (1.11 g, 1.58 mmol) to give a yellow orange suspension. After cooling down to 0°C under N2, 3-butyn-l-ol (2.28 g, 31.6 mmol) was added. The resulting reaction mixture turned black and it was stirred overnight at 70°C. The reaction mixture was quenched at 0°C with water, TEA was removed under low pressure, and the organic layer was extracted 3x using DCM, washed with Ammonia, water, brine, dried over MgS04, filtered and concentrated. The crude residue was purified over silicagel chromatography (prepacked 250 g silicagel column, DCM/MeOH : from 99/1 to 95/5 as eluent) to afford 3.60 g of 4- (pyridin-2-yl)but-3-yn-1-ol as a brown oil (Yield : 77percent). LCMS (RT) : 1.58min; MS (ES+) gave m/z : 148 Rf (DCM/MeOH : 95/5) =0.23 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
74% | Stage #1: at 20℃; Stage #2: at 20 - 80℃; for 20.5 h; |
Example 32; 2-(4-(5-PhgpEl-2H-tetrazol-2-yl)but-1-3TY1)pyLidine; 32(A) 4-(Pyridin-2- )but-3-yn-1-ol; In a dry reaction tube containing in suspension iodide copper (38 mg, 0.2 mmol) and triethylamine (11 mL, 80 mmol), were added 2-bromopyridine (632 mg, 4 mmol) and Pd (PPh3)2Cl2 (140 mg, 0.2 mmol). A yellow suspension is obtained and after a few minutes of stirring at room temperature, was added a solution of but-3-yn-1-ol (280 mg, 4 mmol) in triethylamine (2.2 mL). Immediatly the color of the reaction turns to black. The mixture was stirred at room temperature for 30 min and then at 80°C for 20h. Triethylamine was concentrated under reduced pressure and the residue was dissolved in DCM. The organic layer was washed with saturated NH4CI, water and brine, dried (MgS04) and concentrated. The product was purified by flash chromatography (prepacked 15 g silicagel column, from DCM 100percent to DCM/MeOH : 98/2 as eluent) to afford 440 mg of 4-(pyridin-2-yl)but-3-yn-l-ol (Yield : 74percent) as brown oil. Rf:(DCM/MeOH : 95/5) = 0.5 LCMS (RT) : 0.60min; MS (ES+) gave m/z : 148.1 |
A300841 [105250-16-6]
(2-Methylpyridin-4-yl)methanol
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