Structure of 42797-18-2
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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. : | 42797-18-2 |
Formula : | C20H14O3 |
M.W : | 302.32 |
SMILES Code : | OC(=O)C1=CC=CC=C1C(=O)C1=CC=C(C=C1)C1=CC=CC=C1 |
MDL No. : | MFCD00392368 |
InChI Key : | NBYNVBRXIUUSIG-UHFFFAOYSA-N |
Pubchem ID : | 39302 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 23 |
Num. arom. heavy atoms | 18 |
Fraction Csp3 | 0.0 |
Num. rotatable bonds | 4 |
Num. H-bond acceptors | 3.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 88.71 |
TPSA ? Topological Polar Surface Area: Calculated from |
54.37 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
2.26 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
4.09 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
4.28 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
3.68 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
4.42 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
3.74 |
Log S (ESOL):? ESOL: Topological method implemented from |
-4.61 |
Solubility | 0.00749 mg/ml ; 0.0000248 mol/l |
Class? Solubility class: Log S scale |
Moderately soluble |
Log S (Ali)? Ali: Topological method implemented from |
-4.94 |
Solubility | 0.00349 mg/ml ; 0.0000116 mol/l |
Class? Solubility class: Log S scale |
Moderately soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-6.74 |
Solubility | 0.0000548 mg/ml ; 0.000000181 mol/l |
Class? Solubility class: Log S scale |
Poorly 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) |
Yes |
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 |
-5.24 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 |
0.56 |
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) |
2.38 |
* 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 |
---|---|---|
96% | With aluminum (III) chloride; In dichloromethane; at 20℃; | j0099j 154.0 g (1.0 mole) of biphenyl and 148.0 g (1.0 mole) phthalic anhydride were dispersed in 800 ml of methylene dichloride. Then 226.0 g (2 moles) of aluminum trichloride was added in portions, under water cooling, so that the temperature did not exceed 20C. Then the mixture was allowed to stir overnight at room temperature and became a greenish- bluish color. Then the reaction mixture was poured slowly, under stirring, into a mixture of 3.0 liters of water, 500 g of crushed ice, and 400 g of sulfuric acid. During the addition, the bluish color disappeared and a white precipitate was formed, which was separated by filtration, washed with 4 x 300 ml of water, and dried.Yield: 291.Og (96% of theory) Characterization:GC-purity: 98%Melting point: 232-233CGC-purity: 99%Mass Spectroscopy (m/z): 374 (M(+) -1 + 73(trimethylsilane) 359 (100%), 285,228, 181,152, 73UV-spectroscopy: 2 max = 286 nm (ethanol) |
89% | With aluminum (III) chloride; In neat (no solvent); for 1h;Milling; | General procedure: A mixture of aromatic substrate (0.46 mmol), phthalic anhydride (1 equiv) and AlCl3(2.5 equiv.) was placed in a 16 mL stainless steel jar, together with one stainless steel 12 mm ballin Retsch MM400 ball mill. The mixture was ball milled for 1 hour at 30 Hz. The reaction mixturewas suspended in water, pH adjusted with conc. HCl. The precipitate was collected by filtrationand subjected to column chromatography on silicagel using dichloromethane to remove unreactedaromatics, then product was eluted with DCM/10% methanol. |
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