Structure of Methyl 4-amino-3-cyanobenzoate
CAS No.: 159847-80-0
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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. : | 159847-80-0 |
Formula : | C9H8N2O2 |
M.W : | 176.17 |
SMILES Code : | O=C(OC)C1=CC=C(N)C(C#N)=C1 |
MDL No. : | MFCD16038776 |
InChI Key : | QSPXZVQTLYMWEU-UHFFFAOYSA-N |
Pubchem ID : | 10442220 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 13 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.11 |
Num. rotatable bonds | 2 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 46.84 |
TPSA ? Topological Polar Surface Area: Calculated from |
76.11 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.59 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.36 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
0.94 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.7 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
0.97 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
1.11 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.0 |
Solubility | 1.77 mg/ml ; 0.01 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.56 |
Solubility | 0.484 mg/ml ; 0.00275 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-2.2 |
Solubility | 1.12 mg/ml ; 0.00634 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 |
No |
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 |
-6.41 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) |
1.73 |
* 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 |
---|---|---|
4-Amino-1-hydroxy-cyclohexa-2,4-dienecarboxylic acid methyl ester (the crude product from example 5) was dissolved in toluene (600 ml) and added boron trifluoride diethyl etherate (20 ml of 40% in diethyl ether), the reaction mixture was added tetrahydrofuran (100 ml) and stirred at 85 C for 30 min. The reaction mixture was cooled to room temperature and poured into ice/water, the mixture was neutralized with sodium hydroxide (1 M) and basified with saturated sodium bicarbonate. The layer was separated and the water phase was extracted with dichloro methane. The organic phases was dried and evaporated. The title compound was isolated from the residue by column chromatography. Yield 3.2 g. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
4-Amino-3-cyano-benzoic acid methyl ester (3.2 g, 10 mmol) in tetrahydrofurane/ water (110 ml, 1:1) was added lithium hydroxide hydrate (2.3 g, 30 mmol), the reaction mixture was stirred at room temperature for 20 hours and added hydro chloric acid (1 M) to pH = 3. From the mixture was tetrahydrofurane distilled of and the title compound precipitated out of solution. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
84% | With iodine; silver nitrate; In tetrahydrofuran; methanol; at 20℃; for 6.0h; | 4-Amino-3-cyano-benzoic acid methyl ester (1.4 g, 7.95 mmol) was dissolved in a mixed solution of tetrahydrofuran and methanol (1/1, 50 mL), and iodine (I2, 2.2 g, 8.74 mmol) and silver nitrate (AgNO3, 1.5 g, 8.74 mmol) were added dropwise thereto. The mixture was stirred for 6 hours at room temperature and filtered with celite. The filtrate was added with 10% sodium thiosulfate aqueous solution and extracted with ethyl acetate. The extract was washed with brine, dried with anhydrous magnesium sulfate and filtered. The filtrate was distilled under reduced pressure. The residue was separated by column chromatography to obtain the title compound (2.0 g, 84%). |
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