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Chemical Structure| 22282-70-8 Chemical Structure| 22282-70-8

Structure of 2-Fluoro-4-iodopyridine
CAS No.: 22282-70-8

Chemical Structure| 22282-70-8

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Product Details of [ 22282-70-8 ]

CAS No. :22282-70-8
Formula : C5H3FIN
M.W : 222.99
SMILES Code : IC1=CC(F)=NC=C1
MDL No. :MFCD03092926
InChI Key :ADPRIAVYIGHFSO-UHFFFAOYSA-N
Pubchem ID :7023570

Safety of [ 22282-70-8 ]

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

Computational Chemistry of [ 22282-70-8 ] Show Less

Physicochemical Properties

Num. heavy atoms 8
Num. arom. heavy atoms 6
Fraction Csp3 0.0
Num. rotatable bonds 0
Num. H-bond acceptors 2.0
Num. H-bond donors 0.0
Molar Refractivity 36.91
TPSA ?

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

12.89 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.72
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

1.94
Log Po/w (WLOGP)?

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

2.25
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.

1.85
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

2.83
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.12

Water Solubility

Log S (ESOL):?

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

-3.0
Solubility 0.223 mg/ml ; 0.001 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.

-1.84
Solubility 3.26 mg/ml ; 0.0146 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

-3.26
Solubility 0.122 mg/ml ; 0.000548 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

Yes
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.

-6.28 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

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)

1.96

Application In Synthesis of [ 22282-70-8 ]

* 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 [ 22282-70-8 ]

[ 22282-70-8 ] Synthesis Path-Downstream   1~4

  • 1
  • [ 60-35-5 ]
  • [ 22282-70-8 ]
  • [ 552331-00-7 ]
YieldReaction ConditionsOperation in experiment
37% With potassium carbonate; In ethyl acetate; Example 75A 2-Amino-4-iodopyridine A mixture of 2-floro-4-iodopyridine (3.0 g, 13.5 mmol), acetylamide (15.8 g, 269 mmol) and potassium carbonate (9.2 g, 67 mmol) was stirred at 180 C. for 7 hours, poured into ice (100 g), extracted with ethyl acetate, washed with brine, dried (MgSO4), filtered, and concentrated. The concentrate was purified by flash column chromatography on silica gel with 50% ethyl acetate/hexane to provide the title compound (1.1 g, 37%). MS (DCI/NH3) m/e 221 (M+H).
  • 2
  • [ 22282-70-8 ]
  • [ 552331-00-7 ]
YieldReaction ConditionsOperation in experiment
90% With ammonium hydroxide; In dimethyl sulfoxide; at 100℃; for 40h; A mixture of 2-fluoro-4-iodopyridine (10.00g, 43.50mmol), ammonium hydroxide (10mL) in DMSO (20mL) was stirred at 100 C for 40 hours. H2O (100mL) was added to the reaction mixture and the precipitate was filtered to afford the compound 10a as a brown solid (8.62g, 90%). MS: 221 (M+H) +.
90% With ammonium hydroxide; In dimethyl sulfoxide; at 100℃; for 40h; A solution of 2-fluoro-4-iodopyridine (10.00 g, 43.50 mmol) and ammonia (10 mL) in DMSO (20 mL) was stirred at 100 C for 40 h.Water (100 mL) was added to the reaction solution, and a solid was precipitated. The brown solid compound 10a (8.62 g, 90%) was obtained by filtration
60% With ammonia; In water; at 150℃; for 3h;Sealed tube; Reference Example 2; 4-iodopyridin-2-amine2-Fluoro-4-iodopyridine (11.2 g, 50 mmol) obtained in Reference Example 1 and 28% aqueous ammonia solution (100 ml) were stirred at 150 C. for 3 hr in a sealed tube. The mixture was extracted with ethyl acetate. The extract was washed with water, and dried over anhydrous sodium hydrogensulfate. The solvent was evaporated under reduced pressure. The obtained residue was crystallized from ethyl acetate to give the title compound (6.6 g, yield 60%). melting point 167-168 C.1H-NMR (CDCl3) delta: 4.34 (2H, brs), 6.92 (1H, d, J=1.4 Hz), 6.99 (1H, dd, J=5.5, 1.4 Hz), 7.73 (1H, d, J=5.5 Hz).
37% With acetamide; potassium carbonate; In ethyl acetate; at 180℃; for 7h; Example 75A 2-Amino-4-iodopyridine A mixture of 2-floro-4-iodopyridine (3.0 g, 13.5 mmol), acetylamide (15.8 g, 269 mmol) and potassium carbonate (9.2 g, 67 mmol) was stirred at 180 C. for 7 hours, poured into ice (100 g), extracted with ethyl acetate, washed with brine, dried (MgSO4), filtered, and concentrated. The concentrate was purified by flash column chromatography on silica gel with 50% ethyl acetate/hexane to provide the title compound (1.1 g, 37%). MS (DCI/NH3) m/e 221 (M+H).

  • 3
  • [ 22282-70-8 ]
  • [ 42933-43-7 ]
  • N-(2,3-dihydrobenzofuran-5-yl)-4-iodopyridin-2-amine [ No CAS ]
YieldReaction ConditionsOperation in experiment
24% With hydrogenchloride; In 1,4-dioxane; water; at 100℃; for 15h;Sealed tube; To a suspension of <strong>[42933-43-7]2,3-dihydrobenzofuran-5-amine</strong> (1 g, 7.4 mmol) in 1:1 dioxane: water (200 mL) was added 2-fluoro-4-iodopyridine (1.982 g, 8.8 mmol) and aqueous HCl (2 mL, 35percent). The mixture was stirred for 15 h at 100° C. in a sealed glass tube. Reaction mixture was cooled and basified by the addition of saturated aqueous sodium bicarbonate, and extracted with ethyl acetate. The combined organic layers were dried over Na2SO4, filtered and evaporated to give crude product residue, which was purified by gradient column chromatography using ethyl acetate in n-hexane as eluent to afford N-(2,3-dihydrobenzofuran-5-yl)-4-iodopyridin-2-amine as yellow solid, (600 mg, 24percent). 1HNMR (400 MHz, CDCl3): delta 7.76 (d, J=4.8 Hz, 1H), 7.13 (s, 1H), 7.00-6.97 (m, 3H), 6.77 (d, J=8.4 Hz, 1H), 6.48 (s, 1H), 4.60 (t, J=8.8 Hz, 2H), 3.23 (t, J=8.8 Hz, 2H). LC-MS calcd exact mass 337.99, found m/z 339.0 [M+H]+.
  • 4
  • [ 1077-96-9 ]
  • [ 22282-70-8 ]
  • 5-fluoro-1-(4-iodo-2-pyridyl)indazole-3-carboxylic acid [ No CAS ]
 

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