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Chemical Structure| 62257-16-3 Chemical Structure| 62257-16-3

Structure of 3-Amino-4-fluorophenol
CAS No.: 62257-16-3

Chemical Structure| 62257-16-3

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Product Details of [ 62257-16-3 ]

CAS No. :62257-16-3
Formula : C6H6FNO
M.W : 127.12
SMILES Code : OC1=CC=C(F)C(N)=C1
MDL No. :MFCD09033850
InChI Key :VJCSFNNTQGRAKH-UHFFFAOYSA-N
Pubchem ID :13519180

Safety of [ 62257-16-3 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302
Precautionary Statements:P280-P305+P351+P338

Computational Chemistry of [ 62257-16-3 ] Show Less

Physicochemical Properties

Num. heavy atoms 9
Num. arom. heavy atoms 6
Fraction Csp3 0.0
Num. rotatable bonds 0
Num. H-bond acceptors 2.0
Num. H-bond donors 2.0
Molar Refractivity 32.83
TPSA ?

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

46.25 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.0
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

1.08
Log Po/w (WLOGP)?

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

1.54
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.

1.24
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

1.09
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.19

Water Solubility

Log S (ESOL):?

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

-1.8
Solubility 2.01 mg/ml ; 0.0158 mol/l
Class?

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

Very soluble
Log S (Ali)?

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

-1.64
Solubility 2.89 mg/ml ; 0.0227 mol/l
Class?

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

Very 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

-1.7
Solubility 2.52 mg/ml ; 0.0199 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

Yes
Log Kp (skin permeation)?

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

-6.31 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

1.0
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

1.0 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)

1.06

Application In Synthesis of [ 62257-16-3 ]

* 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 [ 62257-16-3 ]

[ 62257-16-3 ] Synthesis Path-Downstream   1~10

  • 1
  • [ 2105-96-6 ]
  • [ 62257-16-3 ]
YieldReaction ConditionsOperation in experiment
39% With iron; ammonium chloride; In ethanol; water; at 80℃; for 4h; 3-Amino-4-fluorophenol 4-Fluoro-3-nitrophenol (300 mg, 1.91 mmol) was initially charged in water (12.5 ml) and ethanol (12.5 ml). Ammonium chloride (552 mg, 10.31 mmol) and iron filings (640 mg, 11.46 mmol) were added and the mixture was stirred at 80° C. for 4 h. The reaction mixture was then cooled to RT and filtered through kieselguhr, and the filtrate was extracted with ethyl acetate. The organic phase was dried, filtered and concentrated. 126 mg (39percent of theory) of the title compound were obtained. LC/MS (Method 6, ESIpos): Rt=0.99 min, m/z=128 [M+H]+.
2.18 g (100%) With H2;palladium on charcoal; In ethyl acetate; Example 24 Preparation of 3-amino-4-fluorophenol (24) A mixture of <strong>[2105-96-6]4-<strong>[2105-96-6]fluoro-3-nitrophenol</strong></strong> (2.70 g, 17.2 mmol) and palladium on charcoal (10percent, 0.31 g) in 60 mL ethyl acetate is hydrogenated under 50 psi of H2 using a Parr hydrogenation reactor. After shaking for 1 hour, the reaction mixture is filtered using a diatomaceous earth pad to remove catalyst. The filtrate is concentrated in vacuo, and the residue is sublimed to yield 2.18 g (100percent) of Compound 24 as a white solid. MP: 142-144° C. 1 H-NMR (d6 -DMSO) 8.82 (s, 1H); 6.70 (dd, 1H); 6.17 (dd, 1H); 5.85 (m, 1H); 4.92 (s, 2H). 19 F-NMR (d6 -DMSO) 142.78 (t, 13.0 Hz). Anal. calc. for C6 H6 FNO: C, 56.69; H, 4.76; N, 11.02. Found: C, 57.28; H, 4.86; N, 10.65.
  • 4
  • [ 52092-47-4 ]
  • [ 62257-16-3 ]
  • [ 1020173-38-9 ]
  • [ 1514914-94-3 ]
  • 5
  • [ 52092-47-4 ]
  • [ 62257-16-3 ]
  • [ 1020173-38-9 ]
  • 8
  • [ 84478-75-1 ]
  • [ 62257-16-3 ]
  • [ 5220-49-5 ]
  • [ 84478-72-8 ]
  • 9
  • [ 62257-16-3 ]
  • [ 171663-13-1 ]
  • C18H21FN2O3 [ No CAS ]
YieldReaction ConditionsOperation in experiment
860 mg With 2-Picolinic acid; potassium phosphate; copper(l) iodide; In dimethyl sulfoxide; at 90℃; for 17h; To a solution of compound B1 (2.48 g, 8.66 mmol), compound B2 (1.00 g, 7.87 mmol), pyridine-2-carboxylic acid (194 mg, 1.57 mmol) and K3PO4 (3.34 g, 15.7 mmol) in DMSO (15 mL) was added Cul (150 mg, 0.787 mmol), the mixture was purged with N2 for three times and stirred at 90C for 17 hours to give a dark solution. LCMS showed the reaction was completed. TLC showed the reaction was completed. The reaction mixture was poured into water (100 mL), extracted with EtOAc (100 mL x 2), the combined extracts was washed with brine (30 mL x 2), dried over anhydrous Na2S04, filtered and concentrated under reduced pressure to give a residue. The residue was purified by Combi flash to give compound B3 (860 mg) as light yellow oil.
  • 10
  • [ 62257-16-3 ]
  • [ 171663-13-1 ]
  • C13H13FN2O [ No CAS ]
 

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