Structure of 5804-49-9
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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. : | 5804-49-9 |
Formula : | C8H9NO4 |
M.W : | 183.16 |
SMILES Code : | OCC1=CC([N+]([O-])=O)=CC=C1OC |
MDL No. : | MFCD06202820 |
Boiling Point : | No data available |
InChI Key : | NDVYUOCVDRLAPG-UHFFFAOYSA-N |
Pubchem ID : | 17604241 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302 |
Precautionary Statements: | P280-P305+P351+P338 |
Num. heavy atoms | 13 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.25 |
Num. rotatable bonds | 3 |
Num. H-bond acceptors | 4.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 47.88 |
TPSA ? Topological Polar Surface Area: Calculated from |
75.28 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
1.4 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
0.84 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
0.94 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.11 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
-0.47 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
0.57 |
Log S (ESOL):? ESOL: Topological method implemented from |
-1.65 |
Solubility | 4.12 mg/ml ; 0.0225 mol/l |
Class? Solubility class: Log S scale |
Very soluble |
Log S (Ali)? Ali: Topological method implemented from |
-2.0 |
Solubility | 1.82 mg/ml ; 0.00991 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-1.74 |
Solubility | 3.36 mg/ml ; 0.0184 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) |
No |
Log Kp (skin permeation)? Skin permeation: QSPR model implemented from |
-6.82 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) |
1.69 |
* 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 |
---|---|---|
76% | With diisobutylaluminium hydride; In tetrahydrofuran; toluene; at -78 - 20℃; for 1h;Inert atmosphere; | A solution of Intermediate 312B (410 mg, 2.263 mmol) in Toluene (11.500 mL) and THF (11.50 mL) was cooled to -78 C under an atmosphere of N2. DIBAL-H (1.0 Min Toluene) (3.40 mL, 3.40 mmol) was then added to the cooled solution dropwise. After the initial bubbling had subsided, the reaction mixture was allowed to thaw to room temperature. After 1 h, the reaction mixture was cooled to 0 C and quenched with 1.0 M HC1. The resulting suspension was stirred vigorously for 45 mm to fully cleave the aluminate complex. The mixture was then diluted with EtOAc and extracted. Theorganic phase was washed with brine, dried over MgSO4, filtered and concentrated. The resulting crude product was purified by ISCO (80g, 0-100% EtOAc/Hexanes, 33 mm. Product at 50%) to give Intermediate 312C (370 mg, 1.717 mmol, 76% yield) as a light yellow solid. LC-MS. Method H, RT = 0.68 mm, MS (ESI) m/z: 184.0 (M+H). ?H NMR (4001V11{z, CHLOROFORM-d) 8.29 (d, J=2.9 Hz, 1H), 8.21 (dd, J9.0, 2.6 Hz,1H), 6.94 (d, J=9.0 Hz, 1H), 4.75 (d, J=6.4 Hz, 2H), 3.97 (s, 3H), 2.07 (t, J=6.4 Hz, 1H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With triphenylphosphine; In carbon tetrabromide; acetonitrile; | 13.9 g of carbon tetrabromide and then 8.9 g of triphenylphosphine are added in the course of 10 min to a solution of 5.2 g of <strong>[5804-49-9]2-methoxy-5-nitrophenylmethanol</strong> in 150 cm3 of acetonitrile. The mixture is stirred for 1 hour at a temperature close to 20 C. and then concentrated to dryness under reduced pressure (2.7 kPa) at 40 C. The crude product obtained is purified by chromatography on 25 g of silica (0.065-0.200 mm) contained in a column 4.0 cm in diameter [eluent: methylene chloride/petroleum ether (40/60 by volume)], collecting 125 cm3 fractions. Fractions 5 to 12 are combined and concentrated to dryness under reduced pressure (2.7 kPa) at 40 C. 5.6 g of 2-methoxy-5-nitrobenzyl bromide melting at 78 C. are thus obtained. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
84% | With tin(ll) chloride; In ethanol; at 70℃; for 1h; | 3-hydroxymethyl-4-methoxyaniline A mixture of <strong>[5804-49-9]2-methoxy-5-nitrobenzylalcohol</strong> (1.02 g, 6.03 mmol) and SnCl2.H2O (6.8 g, 30.15 mmol) in EtOH (20 mL) was heated at 70 C. for 1 hour. After cooling, the mixture was treated with 2M NaOH and extracted with ether. The organic layer was washed with water, dried, and evaporated under vacuum to provide 2.18 g (84%) of the aniline 3-hydroxymethyl-4-methoxyaniline: 1H NMR (DMSO-d6, 500 MHz) delta 6.66 (d, 1H, J=2.2 Hz), 6.61 (d, 1H, J=8.6 Hz), 6.38 (dd, 1H, J=2.4 and 8.2 Hz), 4.81 (t, 1H, J=5.5 Hz), 4.54 (br, 2H), 4.37 (d, 2H, J=5.8 Hz), 3.61 (s, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
87% | General procedure: IF2a To a mixture of carboxylic acid IF1a (1.81 g, 10.0 mmol) and N-methylmorpholine (1.11 g, 11.0 mmol) in THF (20 mL) at 0 C. was added ethyl chloroformate (1.19 g, 11.0 mmol). The mixture was allowed to stir at 0 C. for an additional 30 min and filtered. The insoluble salt was washed with THF (5 mL*3). To the filtrate was added NaBH4 (1.13 g, 30 mmol) and the resulting mixture was then stirred at rt for 2 h. The reaction mixture was quenched with saturated NH4Cl (50 mL) and extracted with EtOAc. The organic phase was washed with water and brine, dried over anhydrous K2CO3, and concentrated in vacuo. The residue was purified by flash column chromatography (EtOAc/hexanes) to afford compound IF2a as a colorless oil (1.60 g, 94%). 1H NMR (CDCl3, 600 MHz) delta 8.31 (d, J=2.4 Hz, 1H), 8.06 (dd, J=8.1, 2.7 Hz, 1H), 7.32 (d, J=9.0 Hz, 1H), 4.79 (d, J=4.8 Hz, 2H), 1.57 (s, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
2.18 g (84%) | With sodium hydroxide; In ethanol; | 3-hydroxymethyl-4-methoxyaniline A mixture of <strong>[5804-49-9]2-methoxy-5-nitrobenzylalcohol</strong> (1.02 g, 6.03 mmol) and SnCl2.H2O (6.8 g, 30.15 mmol) in EtOH (20 mL) was heated at 70 C. for 1 hour. After cooling, the mixture was treated with 2M NaOH and extracted with ether. The organic layer was washed with water, dried, and evaporated under vacuum to provide 2.18 g (84%) of the aniline 3-hydroxymethyl-4-methoxyaniline: 1H NMR (DMSO-d6, 500 MHz) delta 6.66 (d, 1H, J=2.2 Hz), 6.61 (d, 1H, J=8.6 Hz), 6.38 (dd, 1H, J=2.4 and 8.2 Hz), 4.81 (t, 1H, J=5.5 Hz), 4.54 (br, 2H), 4.37 (d, 2H, J=5.8 Hz), 3.61 (s, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
palladium; | The crude product obtained is purified by chromatography on 50 g of silica (0.065-0.20 mm) contained in a column 3 cm in diameter [eluent: methylene chloride/ethanol (95/5 by volume)], collecting 20 cm3 fractions. Fractions 21 to 29 are combined and concentrated to dryness under reduced pressure (2.7 kPa) at 40 C. After recrystallization from acetonitrile, 0.82 g of 2-{2-[3-(3-hydroxymethyl-4-methoxyphenyl)ureido]-N-phenylacetamido}-N-methyl-N-phenylacetamide melting at 181 C is thus obtained. 5-Amino-2-methoxyphenylmethanol may be prepared in a manner analogous to that described in Example 99 for the preparation of methyl (RS)-3-aminomandelate, but using 3 g of <strong>[5804-49-9]2-methoxy-5-nitrophenylmethanol</strong> and 0.5 g of 5% palladium-on-charcoal as the starting material. 1.2 g of 5-amino-2-methoxyphenylmethanol are thus obtained in the form of a meringue which is used as such in the subsequent syntheses. 2-Methoxy-5-nitrophenylmethanol may be prepared in the following way: |
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