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Chemical Structure| 34841-11-7 Chemical Structure| 34841-11-7
Chemical Structure| 34841-11-7

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CAS No.: 34841-11-7

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Product Details of [ 34841-11-7 ]

CAS No. :34841-11-7
Formula : C9H9NO5
M.W : 211.17
SMILES Code : COC(=O)C1=C(OC)C=CC(=C1)[N+]([O-])=O
MDL No. :MFCD00673023
InChI Key :DOBFJVVTBNTGCW-UHFFFAOYSA-N
Pubchem ID :7020925

Safety of [ 34841-11-7 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Calculated chemistry of [ 34841-11-7 ] Show Less

Physicochemical Properties

Num. heavy atoms 15
Num. arom. heavy atoms 6
Fraction Csp3 0.22
Num. rotatable bonds 4
Num. H-bond acceptors 5.0
Num. H-bond donors 0.0
Molar Refractivity 53.04
TPSA ?

Topological Polar Surface Area: Calculated from
Ertl P. et al. 2000 J. Med. Chem.

81.35 ?2

Lipophilicity

Log Po/w (iLOGP)?

iLOGP: in-house physics-based method implemented from
Daina A et al. 2014 J. Chem. Inf. Model.

1.65
Log Po/w (XLOGP3)?

XLOGP3: Atomistic and knowledge-based method calculated by
XLOGP program, version 3.2.2, courtesy of CCBG, Shanghai Institute of Organic Chemistry

1.98
Log Po/w (WLOGP)?

WLOGP: Atomistic method implemented from
Wildman SA and Crippen GM. 1999 J. Chem. Inf. Model.

1.39
Log Po/w (MLOGP)?

MLOGP: Topological method implemented from
Moriguchi I. et al. 1992 Chem. Pharm. Bull.
Moriguchi I. et al. 1994 Chem. Pharm. Bull.
Lipinski PA. et al. 2001 Adv. Drug. Deliv. Rev.

0.61
Log Po/w (SILICOS-IT)?

SILICOS-IT: Hybrid fragmental/topological method calculated by
FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com

-0.41
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.05

Water Solubility

Log S (ESOL):?

ESOL: Topological method implemented from
Delaney JS. 2004 J. Chem. Inf. Model.

-2.43
Solubility 0.787 mg/ml ; 0.00373 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble
Log S (Ali)?

Ali: Topological method implemented from
Ali J. et al. 2012 J. Chem. Inf. Model.

-3.31
Solubility 0.102 mg/ml ; 0.000485 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble
Log S (SILICOS-IT)?

SILICOS-IT: Fragmental method calculated by
FILTER-IT program, version 1.0.2, courtesy of SILICOS-IT, http://www.silicos-it.com

-1.99
Solubility 2.17 mg/ml ; 0.0103 mol/l
Class?

Solubility class: Log S scale
Insoluble < -10 < Poorly < -6 < Moderately < -4 < Soluble < -2 Very < 0 < Highly

Soluble

Pharmacokinetics

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)
and tested on 415 molecules (test set)
10-fold CV: ACC=0.72 / AUC=0.77
External: ACC=0.88 / AUC=0.94

 No
CYP1A2 inhibitor?

Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set)
and tested on 3000 molecules (test set)
10-fold CV: ACC=0.83 / AUC=0.90
External: ACC=0.84 / AUC=0.91

 No
CYP2C19 inhibitor?

Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set)
and tested on 3000 molecules (test set)
10-fold CV: ACC=0.80 / AUC=0.86
External: ACC=0.80 / AUC=0.87

 No
CYP2C9 inhibitor?

Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set)
and tested on 2075 molecules (test set)
10-fold CV: ACC=0.78 / AUC=0.85
External: ACC=0.71 / AUC=0.81

 No
CYP2D6 inhibitor?

Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set)
and tested on 1068 molecules (test set)
10-fold CV: ACC=0.79 / AUC=0.85
External: ACC=0.81 / AUC=0.87

 No
CYP3A4 inhibitor?

Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set)
and tested on 2579 molecules (test set)
10-fold CV: ACC=0.77 / AUC=0.85
External: ACC=0.78 / AUC=0.86

 No
Log Kp (skin permeation)?

Skin permeation: QSPR model implemented from
Potts RO and Guy RH. 1992 Pharm. Res.

-6.18 cm/s

Druglikeness

Lipinski?

Lipinski (Pfizer) filter: implemented from
Lipinski CA. et al. 2001 Adv. Drug Deliv. Rev.
MW ≤ 500
MLOGP ≤ 4.15
N or O ≤ 10
NH or OH ≤ 5

 0.0
Ghose?

Ghose filter: implemented from
Ghose AK. et al. 1999 J. Comb. Chem.
160 ≤ MW ≤ 480
-0.4 ≤ WLOGP ≤ 5.6
40 ≤ MR ≤ 130
20 ≤ atoms ≤ 70

 None
Veber?

Veber (GSK) filter: implemented from
Veber DF. et al. 2002 J. Med. Chem.
Rotatable bonds ≤ 10
TPSA ≤ 140

 0.0
Egan?

Egan (Pharmacia) filter: implemented from
Egan WJ. et al. 2000 J. Med. Chem.
WLOGP ≤ 5.88
TPSA ≤ 131.6

 0.0
Muegge?

Muegge (Bayer) filter: implemented from
Muegge I. et al. 2001 J. Med. Chem.
200 ≤ MW ≤ 600
-2 ≤ XLOGP ≤ 5
TPSA ≤ 150
Num. rings ≤ 7
Num. carbon > 4
Num. heteroatoms > 1
Num. rotatable bonds ≤ 15
H-bond acc. ≤ 10
H-bond don. ≤ 5

 0.0
Bioavailability Score?

Abbott Bioavailability Score: Probability of F > 10% in rat
implemented from
Martin YC. 2005 J. Med. Chem.

0.55

Medicinal Chemistry

PAINS?

Pan Assay Interference Structures: implemented from
Baell JB. & Holloway GA. 2010 J. Med. Chem.

0.0 alert
Brenk?

Structural Alert: implemented from
Brenk R. et al. 2008 ChemMedChem

2.0 alert: heavy_metal
Leadlikeness?

Leadlikeness: implemented from
Teague SJ. 1999 Angew. Chem. Int. Ed.
250 ≤ MW ≤ 350
XLOGP ≤ 3.5
Num. rotatable bonds ≤ 7

 No; 1 violation:MW<1.0
Synthetic accessibility?

Synthetic accessibility score: from 1 (very easy) to 10 (very difficult)
based on 1024 fragmental contributions (FP2) modulated by size and complexity penaties,
trained on 12'782'590 molecules and tested on 40 external molecules (r2 = 0.94)

 1.97

Application In Synthesis of [ 34841-11-7 ]

* 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.

  • Downstream synthetic route of [ 34841-11-7 ]

[ 34841-11-7 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 34841-11-7 ]
  • [ 22802-67-1 ]
YieldReaction ConditionsOperation in experiment
100% With hydrogen; palladium(II) hydroxide; In methanol; at 20℃; A mixture of 263-1 (400 mg, 1.89 mmol) and Pd(OH)2 (200 mg) in MeOH (50 mL) was stirred under H2 atmosphere at room temperature overnight. When the reaction was completed, the mixture was filtered, and the filtrate was concentrated to give a crude product, which was purified by silica gel column chromatography (CH2Cl2/MeOH = 50/1) to afford b-263 (350 mg, 100% yield) as yellow oil.
95% With water; ammonium chloride; zinc; In ethanol; for 3h;Heating / reflux;Product distribution / selectivity; Methyl 2-methoxy-5-nitro-benzoate (300 mg), ammonium chloride (228 mg), and zinc (929 mg) were suspended in ethanol (10 ml) and water (0.5 ml), and the suspension was stirred under reflux for 3 hr. The reaction mixture was filtered, and the solvent was removed from the filtrate by distillation under the reduced pressure. A saturated aqueous sodium hydrogencarbonate solution was added to the residue, and the mixture was extracted with chloroform. The chloroform layer was washed with water and saturated brine and was dried over anhydrous magnesium sulfate. The solvent was removed by distillation under the reduced pressure, and the residue was purified by column chromatography with an acetone-chloroform system to give methyl 5-amino-2-methoxy-benzoate (244 mg, yield 95%). Methyl 5-amino-2-methoxy-benzoate (244 mg) and 5-methoxymethylene-2,2-dimethyl-[1,3]dioxan-4,6-dione (228 mg) were dissolved in 2-propanol (3 ml), and the solution was stirred at 100C for 15 hr. The solvent was removed by distillation under the reduced pressure, and the residue was washed with diethyl ether to give methyl 5-[(2,2-dimethyl-4,6-dioxo-[1,3]dioxan-5-ylidenemethyl)-amino]-2-methoxy-benzoate (248 mg, yield 55%).
With hydrogen;palladium(II) hydroxide/carbon; In methanol; under 760.051 Torr; for 18h; Step 1 :; Methyl 2-methoxy-5-nitrobenzoate 13-1 (6.21 g, 29.4 mmol) was suspended in MeOH (100 mL) and 20% Pd (OH) 2/C (500 mg) was added. The mixture was stirred under a hydrogen atmosphere (1 atm) for 18 h. The catalyst was removed by filtration and the solvent evaporated under reduced pressure to give a residue of compound 13-2 (5.256 g), which was used as such in step 2.
palladium; Combine methyl 2-methoxy-5-nitrobenzoate (13.3 g, 63 mmol) and methanol. Add 5% palladium-on-carbon (0.66 g). Hydrogenate on a pressure apparatus at 50 psi. After 17 hours, filter through celite to remove the catalyst and evaporate the filtrate in vacuo to give a residue. Combine the residue and dichloromethane and extract with water. Dry the organic layer over Na2SO4, filter, and evaporate in vacuo to give methyl 2-methoxy-5-aminobenzoate. Rf=0.18 (silica gel, ethyl acetate/methanol 1/1). Elemental Analysis calculated for C9H11NO3: C, 59.66; H, 6.12; N, 7.73. Found: C, 59.44; H, 6.04; N, 7.62.
palladium; Combine methyl 2-methoxy-5-nitrobenzoate (13.3 g, 63 mmol) and methanol. Add 5% palladium-on-carbon (0.66 g). Hydrogenate on a pressure apparatus at 50 psi. After 17 hours, filter through celite to remove the catalyst and evaporate the filtrate in vacuo to give a residue. Combine the residue and dichloromethane and extract with water. Dry the organic layer over Na2SO4, filter, and evaporate in vacuo to give methyl 2-methoxy-5-aminobenzoate. Rf=0.18 (silica gel, ethyl acetate/methanol 1/1). Elemental Analysis calculated for C9H11NO3: C, 59.66; H, 6.12; N, 7.73. Found: C, 59.44; H, 6.04; N, 7.62.
palladium; Combine methyl 2-methoxy-5-nitrobenzoate (13.3 g, 63 mmol) and methanol. Add 5% palladium-on-carbon (0.66 g). Hydrogenate on a pressure apparatus at 50 psi. After 17 hours, filter through celite to remove the catalyst and evaporate the filtrate in vacuo to give a residue. Combine the residue and dichloromethane and extract with water. Dry the organic layer over Na2SO4, filter, and evaporate in vacuo to give methyl 2-methoxy-5-aminobenzoate. Rf=0.18 (silica gel, ethyl acetate/methanol 1/1). Elemental Analysis calculated for C9H11NO3: C, 59.66; H, 6.12; N, 7.73. Found: C, 59.44; H, 6.04; N, 7.62.
With hydrogen;5%-palladium/activated carbon; In ethyl acetate; under 1064.07 Torr; for 5h; The 2-{2-methoxy-4-[6-methoxy-7-(N-methylcarbamoyl)quinolin- i5 4-yloxy]phenyl} acetic acid used as a starting material was prepared as follows :-A mixture of methyl 2-methoxy-5-nitrobenzoate (20.3 g), 5% platinum-on-carbon catalyst (1.5 g) and ethyl acetate (300 ml) was stirred under 1.4 atmospheres pressure of hydrogen for 5 hours. The catalyst was removed by filtration and the filtrate was evaporated. There was thus obtained methyl 5-amino-2-methoxybenzoate (17 g); 1H NMR: (CDCl3) 3.8420 (s, 3H), 3.89 (s, 3H), 6.86 (m, 2H), 7.19 (m, IH); Mass Spectrum: M+H+ 182.
With hydrogen;platinum on carbon; In ethyl acetate; under 1064.07 Torr; for 5h; A mixture of methyl 2-methoxy-5-nitrobenzoate (20.3 g), 5% platinum-on-carbon catalyst (1.5 g) and ethyl acetate (300 ml) was stirred under 1.4 atmospheres pressure of hydrogen for 5 hours. The catalyst was removed by filtration and the filtrate was evaporated. There was thus obtained methyl 5-amino-2-methoxybenzoate (17 g); 1H NMR: (CDCl3) 3.84 (s, 3H), 3.89 (s, 3H), 6.86 (m, 2H), 7.19 (m, 1H); Mass Spectrum: M+H+ 182.
With hydrogen;palladium(II) hydroxide/carbon; In methanol; under 760.051 Torr; for 18h; Methyl 2-methoxy-5-nitrobenzoate (6.21 g, 29.4 MMOL) was suspended in MEOH (100 mL) and 20% Pd (OH) 2/C (500 mg) was added. The mixture was stirred under a hydrogen atmosphere (1 atm) for 18 h. The catalyst was removed by filtration and the solvent evaporated under reduced pressure (5.256 g).
15 g With palladium 10% on activated carbon; hydrogen; In methanol; under 3620.13 - 4137.29 Torr; A solution of methyl 2-methoxy-5-nitrobenzoate (20.0g, 0.097 mol) in methanol (300 mL) and 10% Pd/C (5.0 g) was stirred under hydrogen atmosphere under 70-80 psi pressure in Parr apparatus for 4-5 h. The reaction mass was filtered and the obtained filtrate was concentrated to afford 15.0 g of desired product. 1H NMR (300 MHz, DMSO d6): δ 3.67 (s, 3H), 3.74 (s, 3H), 4.96 (br s, 2H), 6.75 (dd, J = 2.4 Hz, 1H), 6.85 (d, = 8.7 Hz, 1H), 6.92 (s, 1H); MS (m/z): 182.25 (M+H)+.
palladium; Combine methyl 2-methoxy-5-nitrobenzoate (13.3 g, 63 mmol) and methanol. Add 5% palladium-on-carbon (0.66 g). Hydrogenate on a pressure apparatus at 50 psi. After 17 hours, filter through celite to remove the catalyst and evaporate the filtrate in vacuo to give a residue. Combine the residue and dichloromethane and extract with water. Dry the organic layer over Na2SO4, filter, and evaporate in vacuo to give methyl 2-methoxy-5-aminobenzoate. Rf=0.18 (silica gel, ethyl acetate/methanol 1/1). Elemental Analysis calculated for C9H11NO3: C, 59.66; H, 6.12; N, 7.73. Found: C, 59.44; H, 6.04; N, 7.62.
With hydrogen;5%-palladium/activated carbon; In methanol; under 2585.81 Torr; for 17h; Combine methyl 2-methoxy-5-nitrobenzoate (13.3 g, 63 mmol) and methanol. Add 5% palladium-on-carbon (0.66 g). Hydrogenate on a pressure apparatus at 50 psi. After 17 hours, filter through celite to remove the catalyst and evaporate the filtrate in vacuo to give a residue. Combine the residue and dichloromethane and extract with water. Dry the organic layer over Na2SO4, filter, and evaporate in vacuo to give methyl 2-methoxy-5-aminobenzoate. Rf=0.18 (silica gel, ethyl acetate/methanol 1/1.). Elemental Analysis calculated for C9H11NO3: C, 59.66; H, 6.12; N, 7.73. Found: C, 59.44; H, 6.04; N, 7.62.
palladium; Combine methyl 2-methoxy-5-nitrobenzoate (13.3 g, 63 mmol) and methanol. Add 5% palladium-on-carbon (0.66 g). Hydrogenate on a pressure apparatus at 50 psi. After 17 hours, filter through celite to remove the catalyst and evaporate the filtrate invacuo to give a residue. Combine the residue and dichloromethane and extract with water. Dry the organic layer over Na2 SO4, filter, and evaporate invacuo to give methyl 2-methoxy-5-aminobenzoate. Rf =0.18 (silica gel, ethyl acetate/methanol 1/1). Elemental Analysis calculated for C9 H11 NO3: C, 59.66; H, 6.12; N, 7.73. Found: C, 59.44; H, 6.04; N, 7.62.
palladium; Combine methyl 2-methoxy-5-nitrobenzoate (13.3 g, 63 mmol) and methanol. Add 5% palladium-on-carbon (0.66 g). Hydrogenate on a pressure apparatus at 50 psi. After 17 hours, filter through celite to remove the catalyst and evaporate the filtrate in vacuo to give a residue. Combine the residue and dichloromethane and extract with water. Dry the organic layer over Na2 SO4, filter, and evaporate in vacuo to give methyl 2-methoxy-5-aminobenzoate. Rf =0.18 (silica gel, ethyl acetate/methanol 1/1). Elemental Analysis calculated for C9 H11 NO3: C, 59.66; H, 6.12; N, 7.73. Found: C, 59.44; H, 6.04; N, 7.62.
palladium; Combine methyl 2-methoxy-5-nitrobenzoate (13.3 g, 63 mrnol) and methanol. Add 5% palladium-on-carbon (0.66 g). Hydrogenate on a pressure apparatus at 50 psi. After 17 hours, filter through celite to remove the catalyst and evaporate the filtrate in vacuo to give a residue. Combine the residue and dichloromethane and extract with water. Dry the organic layer over Na2 SO4, filter, and evaporate in vacuo to give methyl 2-methoxy-5-aminobenzoate. Rf =0.18 (silica gel, ethyl acetate/methanol 1/1). Elemental Analysis calculated for C9 H11 NO3: C, 59.66; H, 6.12; N, 7.73. Found: C, 59.44; H, 6.04; N, 7.62.

  • 2
  • [ 34841-11-7 ]
  • [ 22802-67-1 ]
  • [ 138563-71-0 ]
YieldReaction ConditionsOperation in experiment
palladium; Methyl 5-amino-2-methoxybenzoate may be prepared in a manner analogous to that described in Example 99 for the preparation of methyl (RS)-3-aminomandelate, but using 20 g of methyl 2-methoxy-5-nitrobenzoate and 0.5 g of 5% palladium-on-charcoal as the starting material. 17 g of methyl 5-amino-2-methoxybenzoate are thus obtained in the form of an oil which is used as such in the subsequent syntheses. Methyl 2-methoxy-5-nitrobenzoate may be prepared in the following way:
 

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