Structure of 1955-46-0
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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. : | 1955-46-0 |
Formula : | C9H7NO6 |
M.W : | 225.16 |
SMILES Code : | O=C(O)C1=CC([N+]([O-])=O)=CC(C(OC)=O)=C1 |
MDL No. : | MFCD00009793 |
InChI Key : | ZCRNIIJXDRYWDU-UHFFFAOYSA-N |
Pubchem ID : | 74776 |
GHS Pictogram: |
![]() |
Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
Num. heavy atoms | 16 |
Num. arom. heavy atoms | 6 |
Fraction Csp3 | 0.11 |
Num. rotatable bonds | 4 |
Num. H-bond acceptors | 6.0 |
Num. H-bond donors | 1.0 |
Molar Refractivity | 53.5 |
TPSA ? Topological Polar Surface Area: Calculated from |
109.42 Ų |
Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from |
0.99 |
Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by |
1.54 |
Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from |
1.08 |
Log Po/w (MLOGP)? MLOGP: Topological method implemented from |
0.54 |
Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by |
-0.98 |
Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions |
0.63 |
Log S (ESOL):? ESOL: Topological method implemented from |
-2.22 |
Solubility | 1.36 mg/ml ; 0.00603 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (Ali)? Ali: Topological method implemented from |
-3.45 |
Solubility | 0.0804 mg/ml ; 0.000357 mol/l |
Class? Solubility class: Log S scale |
Soluble |
Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by |
-1.24 |
Solubility | 13.1 mg/ml ; 0.0581 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 |
-6.58 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 |
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) |
2.07 |
* 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 |
---|---|---|
92% | With hydrogen;palladium dihydroxide; In methanol; under 2585.81 Torr; for 5.0h; | EXAMPLE 14 Methyl 5-((lR,2S)-2-((S)-4-(4-chlorophenyl)-4-hydroxy-3,3-dimethylpiperidine- <n="88"/>l-carbonyl)cyclohexylcarbamoyl)biphenyl-3-carboxylateStep 1 : Preparation of 3-amino-5-(methoxycarbonyl)benzoic acid[00142] 20% Pd(OH)2 (0.50 g) was carefully wetted down under argon with methanol (5 mL) and then 3-(methoxycarbonyl)-5-nitrobenzoic acid (5.00 g, 22.2 mmol) in methanol (20 mL) was added. The mixture was then hydrogenated on a Parr Shaker apparatus for 5 hours at 50 psi. Under argon, the reaction was carefully filtered through a fiberglass filter paper. The filtrate was concentrated to give 3- amino-5-(methoxycarbonyl)benzoic acid (4.0 g, 20.5 mmol, 92% yield) of off-white solids as product. MS found: (M - H)+ = 194. |
82% | With hydrogen;palladium 10% on activated carbon; In methanol; under 2585.81 Torr; for 3.0h; | A suspension of 3-(methoxycarbonyl)-5-nitrobenzoic acid (11.25 g, 50 mmol) and palladium on carbon (10 wt %, 1.0 g) in MeOH (10 mL) was shaken in hydrogenator under hydrogen at 50 psi for 3 h. The mixture was filtered and concentrated in vacuo to give the title compound (8.0 g, 82% yield): 1H NMR (CD3OD, 500 MHz) delta ppm 3.91 (3H, s), 7.53 (1H, m), 7.55 (1H, m), 7.92 (1H, m). HPLC retention time: 0.922 min (method A). MS (ESI) (M+H)+196.12. |
71% | With hydrogen;5% palladium over charcoal; In methanol; at 20℃; under 2585.81 Torr; for 2.5h; | 30.0 g (133.2 mmol) monomethyl 5-nitro-isophthalate were dissolved in 200 ml of methanol and combined with 3.0 g Pd/C (5%). The mixture was hydrogenated for 2.5 hours in a Parr apparatus at ambient temperature under a hydrogen pressure of 50 psi. Then the catalyst was filtered off and the filtrate was evaporated down i. vac. Yield 18.4 g (71%) 6.3-a. RT(HPLC 1)=2.88 min |
With hydrogenchloride;palladium; In tetrahydrofuran; diethyl ether; | Preparation of 3-Amino-5-(methoxycarbonyl)benzoic Acid (Compound 68) To 2.75 g of mono-methyl 5-nitroisophthalate (5-(methoxycarbonyl)-3-nitrobenzoic acid), compound 67, dissolved in 30 mL of THF was added 100 mg of 10% palladium on carbon. The reaction was placed in a Parr hydrogenator under a H2 atmosphere of 45 psi and shaken for 16 hr. The solid palladium catalyst was removed by vacuum filtration through celite and 5 mL of 1N HCl in diethyl ether was added to the filtrate. After sitting for 12 hr, the solid was collected by vacuum filtration and was washed with ethyl acetate. This provided 1.82 g of the desired product. The product was identified by 1H NMR and mass spectroscopy and purity was assessed by RP-HPLC. | |
With hydrogen;palladium on activated charcoal; In tetrahydrofuran; methanol; under 750.075 Torr; | Monomethyl-5-nitroisophthalate (50 g, 220 mmol, 1 eq) is dissolved in a mixture of 650 ml of MeOH and 350 ml of THF. 3 g of Pd/C are added, and the reaction mixture is hydrogenated overnight under 1 bar of H2 and then filtered. The filtrate is concentrated, and the residue is dissolved in a mixture of THF (200 ml) and aq NaHCO3 (400 ml). CbzCI (62 ml, 50% in toluene, 184 mmol, 0.9 eq) is added, the reaction mixture is stirred for 1 h, CbzCI (31 ml, 50% in toluene, 92 mmol, 0.45 eq) is added, and the reaction mixture is stirred overnight. The white solid formed is washed with water and diethyl ether to give the product.MS (ES-): 328 = [M-HT.HPLC (Nucleosil C18HD, 4x70 mm, 3 mum, 20-100% MeCN (6 min), 100% MeCN (1.5 min)) retention time: 4.36 min.1H-NMR (400 MHz, DMSO-d6): 8.40 (s, 1H), 8.38 (s, 1H), 8.17 (s, 1H), 7.50-7.37 (m, 5H),5.21 (s, 2H), 3.92 (s, 3H). | |
With hydrogen;palladium on activated charcoal; In tetrahydrofuran; methanol; under 750.075 Torr; | a) 5-Benzyloxycarbonylamino-isophtalic acid monomethylesterMonomethyl-5-nitroisophtalate (50 g, 220 mmol, 1 eq) is dissolved in a mixture of 650 ml of MeOH and 350 ml of THF. 3 g of Pd/C are added, and the reaction is hydrogenated over night under 1 bar of hydrogen. The reaction mixture is then filtered and concentrated to give the amine as a crude product, which is then dissolved in a mixture of THF (200 ml) and <n="37"/>aqueous sodium bicarbonate (400 ml). CbzCI (62 ml, 50% in toluene, 184 mmol, 0.9 eq) are added to the reaction mixture, and the reaction is stirred for 1 hour. CbzCI (31 ml, 50% in toluene, 92 mmol, 0.45 eq) are added, and the reaction is stirred over night. The white solid which crashes out, is washed with water and diethyl ether to give the product. 1 H-NMR (400 MHz, dmso-d6): 8.40 (s, 1 H), 8.38 (s, 1 H), 8.17 (s, 1 H), 7.50-7.37 (m, 5H), 5.21 (s, 2H), 3.92 (s, 3H). | |
With hydrogen;palladium on activated carbon; In methanol; under 2585.81 Torr; for 3.0h; | Step G (I): 3-ammo-5-(methoxycarbonyl)benzoic acid.; A suspension of 3-(methoxycarbonyl)-5-nitrobenzoic acid (20.0 g) and palladium on carbon (5 wt%, 4.0 g) in MeOH (600 mL) was shaken in hydrogenator under hydrogen at 50 psi for 3 h. The mixture was filtered and concentrated in vacuo to give the EPO <DP n="42"/>title compound: 1H NMR (CD3OD, 500 MHz) delta ppm 3.90 (3H, s), 7.52 (IH5 m), 7.55 (IH, m), 7.92 (IH, m). MS (ESI) (M-H)" 194.08. |
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