Structure of 3528-45-8
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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. : | 3528-45-8 |
Formula : | C11H13N3O |
M.W : | 203.24 |
SMILES Code : | NC1=CC=NN1CC2=CC=C(OC)C=C2 |
MDL No. : | MFCD03596770 |
InChI Key : | JEBIFRSQWFZFMT-UHFFFAOYSA-N |
Pubchem ID : | 3161262 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 15 |
Num. arom. heavy atoms | 11 |
Fraction Csp3 | 0.18 |
Num. rotatable bonds | 3 |
Num. H-bond acceptors | 2.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 58.87 |
TPSA ? Topological Polar Surface Area: Calculated from |
53.07 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 |
1.45 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.53 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
1.27 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
1.09 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.44 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.36 |
Solubility | 0.891 mg/ml ; 0.00438 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.17 |
Solubility | 1.37 mg/ml ; 0.00676 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-3.11 |
Solubility | 0.159 mg/ml ; 0.000783 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 |
-6.51 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) |
1.75 |
* 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 |
---|---|---|
2.56 g; 1.71 g | In benzene; at 63℃; for 16h; | Intermediate 30Ethyl 6-cyclopropyl-l-[4-(methyloxy)phenyl]methyl}-lH-pyrazolo[3,4-6]pyridine-4- carboxylateA mixture of l-[4-(methyloxy)phenyl]methyl}-lH-pyrazol-5-amine (3 g, 14.76 mmol), <strong>[21080-80-8]ethyl 4-cyclopropyl-2,4-dioxobutanoate</strong> (2.72 g, 14.76 mmol) and benzene (50 mL) were heated at 63 °C for 16 h. The solvent was removed under reduced pressure. The crude residue was purified via silica gel chromatography (eluent: 0 to 25percentEtOAc:Hex) to afford 2.56 g of the desired cyclized product and 1.71 g of the uncyclized adduct. The uncyclized adduct was dissolved in 25 mL of AcOH and heated to reflux for 16 hours. The solvent was removed under reduced pressure and the residue purified via silica gel chromatography (eluent: 0 to 25percent EtOAc:Hex) to afford an additional 1.15 g of the desired cyclized product (combined yield = 71percent). LCMS E-S (M+H) = 352.3. 1H NMR (400 MHz, DMSO-d6) delta ppm 1.07 - 1.13 (m, 4 H) 1.38 (t, J=7.07 Hz, 3 H) 2.39 (s, 1 H) 3.67 (s, 3 H) 4.41 (q, J=7.07 Hz, 2 H) 5.51 (s, 2 H) 6.84 (d, J=8.84 Hz, 2 H) 7.21 (d, J=8.59 Hz, 2 H) 7.64 (s, 1 H) 8.23 (s, 1 H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
at 125 - 130℃; for 2h;Inert atmosphere; | In a round-bottom flask, equipped with a stirrer, thermometer and reflux condenser, mix under nitrogen in the specified order: 1 g (0.0048 mol) of BCD-BTK-13-14 and 1.18 g (0.0051 mol) of diethyl-2-(1- ethoxyethylidene)malonate. Heat the mixture for 2 hours at 125-130 . Distill off the residual solvent using a rotary evaporator. Take the mixture to the next step without additional purification. Yield: 1.88 g (99%). |
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