Structure of 16600-92-3
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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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Batch number can be found on the product's label following the word 'Batch'.
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CAS No. : | 16600-92-3 |
Formula : | C6H5NO5 |
M.W : | 171.11 |
SMILES Code : | OC1=CC(O)=CC(O)=C1[N+]([O-])=O |
MDL No. : | MFCD00016996 |
InChI Key : | QSVQZFVXAUGEMT-UHFFFAOYSA-N |
Pubchem ID : | 85509 |
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 | 0.0 |
Num. rotatable bonds | 1 |
Num. H-bond acceptors | 5.0 |
Num. H-bond donors | 3.0 |
Molar Refractivity | 41.33 |
TPSA ? Topological Polar Surface Area: Calculated from |
106.51 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
0.42 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.79 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
0.71 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
-0.85 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
-1.7 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
0.07 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.33 |
Solubility | 0.796 mg/ml ; 0.00465 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.65 |
Solubility | 0.0387 mg/ml ; 0.000226 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-0.05 |
Solubility | 153.0 mg/ml ; 0.893 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) |
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) |
Yes |
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from |
-6.07 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 |
2.0 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 |
---|---|---|
With hydrogen;palladium 10% on activated carbon; In methanol; at 20℃; | Example 1 : Chemical synthesis of compound 1 D; Nitrophloroglucinol (1 g, 6.5 mMol) was dissolved in 10 ml of methanol and hydrogenated in a hydrogen atmosphere in the presence of 0.1 g of 10percent Pd/C overnight at room temperature. The solvent was removed by evaporation an the residue was dissoved in 12 ml of dimethylformamide. 2-chlor-5-nitrobenzoic acid (1.2 g; 6 mMol), 1.7 g of K2CO3, 0.18 g of copper powder and 0.18 g of CuCI were added and the mixture was refluxed for 3 hours. After cooling to room temperature, 12 ml of concentrated HCI and 120 ml of water were added, and the product was extracted with 120 of ethylacetate. The organic phase was dried over Na2SO4 and evaporated. The product was dissolved in 12 ml of methanol; 0.1 g of palladium (10percent ob charcoal) was added and hydrogenated in a hydrogen atmosphere overnight at room temperature. The catalyst was removed by centrifugation, and the solvant was evaporated to obtain compound 1 D. | |
With hydrogen;palladium 10% on activated carbon; In methanol; at 20℃; | Example 4: Chemical synthesis of compounds 89, 93, and 96Nitrophloroglucinol (1 g, 6.5 mMol) was dissolved in 10 ml of methanol and hydrogenated in a hydrogen atmosphere in the presence of 0.1 g of 10percent Pd/C overnight at room temperature. The solvent was removed by evaporation and the residue was dissoved in 12 ml of dimethylformamide. 2-chlor-5-nitrobenzoic acid (1.2 g; 6 mMol), 1.7 g of K2CO3, 0.18 g of copper powder and 0.18 g of CuCI were added and the mixture was refluxed for 3 hours. After cooling to room temperature, 12 ml of concentrated HCI and 120 ml of water were added, and the product was extracted with 120 of ethylacetate. The organic phase was dried over Na2SO4 and evaporated. The product was dissolved in 12 ml of methanol, 0.1 g of palladium (10percent ob charcoal) was added and hydrogenated in an H2-atmosphere overnight at room temperature. The catalyst was removed by centrifugation, and the solvant was evaporated to obtain compound 89.Compound 89 (2 mMol ) was dissolved in 3 ml of methanol at 00C and 0.6 ml of 10 M NaOH and 0.5 mul of fluorbenzoylchlohd (4.2 mMol) was added. After 2.5 hours another portion of 1 ml of 10 M NaOH was added. After 30 min at room temperature, the mixture was acidified with concentrated hydrochloric acid, diluted with 30 ml of water and extracted with 20 ml of ethylacetate. The organic layer was dried and evaporated to obtain compound 93.For reductive amination, compound 89 (1.33 mMol) was dissolved in 2 ml of methanol and 200 mul of cinnamon aldehyde (1.5 mMol) was added. NaBH4 was added in 0.5 mM portions (19 mg each) every 3 hours, until the reaction was complete. The mixture was diluted with water, acidified and extracted with ether. The ether phase was dried, evaporated and compound 96 was obtained. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
palladium on charcoal; In ethanol; | Example 5 4,6-Dihydroxy-2-(4-hydroxyphenyl)benzoxazole A mixture of 1-nitro-2,4,6-trihydroxybenzene (1 g) and 10percent palladium on charcoal (200 mg) in absolute ethanol (10 mL) was stirred for 18 h at room temperature under a 50-PSI atmosphere of hydrogen. The solids were filtered rapidly. To the resulting filtrate was added ethyl 4-hydroxybenzimidate hydrochloride (1.17 g). The mixture was heated at reflux for 5 h under nitrogen, cooled and partitioned between ethyl acetate and water. The organic layer was washed with water and brine, and dried over MgSO4. Chromatography on silica gel (eluant: acetone-dichloromethane, gradient 10:90 to 20:80) and trituration of the resulting solid with ether afforded the title compound (28 mg) as a light pinkish solid. NMR (DMSO-d6): 10.15 (m, 2H), 9.53 (s, 1H), 7.91 (d, 2H, J=8.7 Hz), 6.92 (d, 2H, 38.7 Hz), 6.48 (d, 1H, J=1.5 Hz), 6.26 (d, 1H, J=1.5 Hz); MS. 244 (MH+). |