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Chemical Structure| 343-10-2 Chemical Structure| 343-10-2
Chemical Structure| 343-10-2

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CAS No.: 343-10-2

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Product Details of [ 343-10-2 ]

CAS No. :343-10-2
Formula : C10H6FNO3
M.W : 207.16
SMILES Code : FC2=CC=C1N=CC(=C(C1=C2)O)C(=O)O
MDL No. :MFCD00973836
InChI Key :KCEJQAATYWQMMQ-UHFFFAOYSA-N
Pubchem ID :721205

Safety of [ 343-10-2 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H332-H335
Precautionary Statements:P280-P305+P351+P338-P310

Calculated chemistry of [ 343-10-2 ] Show Less

Physicochemical Properties

Num. heavy atoms 15
Num. arom. heavy atoms 10
Fraction Csp3 0.0
Num. rotatable bonds 1
Num. H-bond acceptors 5.0
Num. H-bond donors 2.0
Molar Refractivity 50.68
TPSA ?

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

70.42 ?2

Lipophilicity

Log Po/w (iLOGP)?

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

1.42
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

2.01
Log Po/w (WLOGP)?

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

2.2
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.

0.07
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

1.73
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.48

Water Solubility

Log S (ESOL):?

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

-2.82
Solubility 0.315 mg/ml ; 0.00152 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.

-3.12
Solubility 0.159 mg/ml ; 0.000766 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

-2.79
Solubility 0.34 mg/ml ; 0.00164 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

 Yes
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.

-6.14 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.

0.56

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

0.0 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)

 1.46

Application In Synthesis of [ 343-10-2 ]

* 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 [ 343-10-2 ]

[ 343-10-2 ] Synthesis Path-Downstream   1~10

  • 1
  • [ 343-10-2 ]
  • [ 391-78-6 ]
  • 2
  • [ 318-35-4 ]
  • [ 343-10-2 ]
  • 3
  • [ 26832-96-2 ]
  • [ 343-10-2 ]
  • 4
  • [ 371-40-4 ]
  • [ 343-10-2 ]
YieldReaction ConditionsOperation in experiment
53% A-2; 6-Fluoro-4-hydroxy-quinoline-3-carboxylic acid 6-Fluoro-4-hydroxy-quinoline-3-carboxylic acid (A-2) was synthesized following the general scheme above starting from 4-fluoro-phenylamine. Overall yield (53%). 1H NMR (DMSO-d6) delta 15.2 (br s, 1H), 8.89 (s, 1H), 7.93-7.85 (m, 2H), 7.80-7.74 (m, 1H); ESI-MS 207.9 m/z (MH+).
YieldReaction ConditionsOperation in experiment
With sodium hydroxide; for 2.0h;Reflux; General procedure: 4-Hydroxyquinoline-3-carboxylic acid ethyl ester (15 g, 69 mmol) was suspended insodium hydroxidesolution (2N, 150 mL) and stirred for 2 h under reflux. After cooling, the mixture was filtered, and the filtrate was acidified to pH 4 with 2N HCl. The resulting precipitate was collected via filtration, washed with water and dried under vacuum to give 4-oxo-1,4-dihydroquinoline-3-carboxylic acid (A-1) as a pale white solid (10.5 g, 92%).1H NMR (d-DMSO) delta 15.34 (s, 1H), 13.42 (s, 1H), 8.89 (s, 1H), 8.28 (d, J=8.0 Hz, 1H), 7.88 (m, 1H), 7.81 (d, J=8.4 Hz, 1H), 7.60 (m, 1H).
  • 8
  • [ 343-10-2 ]
  • [ 100-65-2 ]
  • [ 103802-26-2 ]
YieldReaction ConditionsOperation in experiment
With pyridine; thionyl chloride; In dichloromethane; benzene; STEP A N,4-dihydroxy-6-fluoro-N-phenyl-3-quinoline carboxamide 6.2 g of <strong>[343-10-2]4-hydroxy-6-fluoro-3-quinoline carboxylic acid</strong>, 100 ml of anhydrous benzene and 14.28 g of thionyl chloride were refluxed with stirring for 16 hours and then the mixture was cooled. The acid chloride was separated, washed with benzene and dried under reduced pressure at ambient temperature. Small fractions of this product were added with stirring to a mixture cooled to 0 C. of 10 g of N-phenylhydroxylamine, 4.8 ml of pyridine and 50 ml of dichloromethane. The mixture was stirred at ambient temperature for 16 hours and the precipitate was separated, washed with water until chloride ions were eliminated to obtain 6.68 g of N,4-dihydroxy-6-fluoro-N-phenyl-3-quinoline carboxamide which after crystallization from dimethylformamide melted at 260 C.
  • 9
  • [ 343-10-2 ]
  • C10H4Cl2FNO [ No CAS ]
  • 10
  • [ 343-10-2 ]
  • [ 883535-89-5 ]
  • 6-fluoro-4-hydroxy-N-(2-(2-methyl-1H-indol-1-yl)ethyl)quinoline-3-carboxamide [ No CAS ]
YieldReaction ConditionsOperation in experiment
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In dichloromethane; at 20.0℃; for 6.0h; General procedure: A solution of 2-(2-methyl-1H-indol-1-yl)ethanamine (4a) (65 mg, 0.373 mmol) and 4-(piperidin-1-yl)benzoic acid (5) (76 mg, 1 eq.), and dimethylaminopyridine (catalytic, ?5 mg) in dichloromethane (6 mL) was added 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide.hydrochloride (EDCI) (92 mg, 1.3 eq.) at room temperature. The resulting reaction mixture was stirred for 6h. At the conclusion of the reaction (TLC), water (15 mL) was added to quench the reaction. The product was extracted with ethyl acetate (20mL×3). Organics were washed with dilute HCl (10 mL), saturated NaHCO3 solution (10 mL), water (10 mL) and brine solution (10 mL) and dried over Na2SO4 and concentrated. The resulting crude product was subjected to silica gel chromatography eluting with 0-40% ethyl acetate in hexane to furnish 7k (TG7-152) (100mg, 74% yield). 1H NMR (CDCl3): delta 7.52 (d, J=5.6Hz, 1H), 7.49 (d, J=8.8Hz, 2H), 7.30 (d, J=8Hz, 1H), 7.07 (m, 2H), 6.80 (d, J=8.2Hz, 2H), 6.23 (s, 1H), 5.98 (t, J=5.4Hz, 1H), 4.33 (t, J=6Hz, 2H), 3.76 (q, J=6Hz, 2H), 3.25 (t, J=4.8Hz, 4H), 2.37 (s, 3H), 1.6 (m, 6H). LCMS (ESI): >97% purity at lambda 254, MS; m/z, 362 [M+H]+. Anal. Calcd. for C23H27N3O: C, 76.42; H, 7.53; N, 11.62; found; C, 76.48; H, 7.55; N, 11.59.
 

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