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Chemical Structure| 446-48-0 Chemical Structure| 446-48-0
Chemical Structure| 446-48-0

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CAS No.: 446-48-0

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Product Details of [ 446-48-0 ]

CAS No. :446-48-0
Formula : C7H6BrF
M.W : 189.02
SMILES Code : FC1=CC=CC=C1CBr
MDL No. :MFCD00000324
InChI Key :FFWQLZFIMNTUCZ-UHFFFAOYSA-N
Pubchem ID :67968

Safety of [ 446-48-0 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H227-H314-H335
Precautionary Statements:P261-P280-P305+P351+P338-P310
Class:8
UN#:3265
Packing Group:Ⅱ

Calculated chemistry of [ 446-48-0 ] Show Less

Physicochemical Properties

Num. heavy atoms 9
Num. arom. heavy atoms 6
Fraction Csp3 0.14
Num. rotatable bonds 1
Num. H-bond acceptors 1.0
Num. H-bond donors 0.0
Molar Refractivity 39.24
TPSA ?

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

0.0 ?2

Lipophilicity

Log Po/w (iLOGP)?

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

2.14
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

2.84
Log Po/w (WLOGP)?

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

2.99
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.

3.53
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

3.27
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.95

Water Solubility

Log S (ESOL):?

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

-3.23
Solubility 0.112 mg/ml ; 0.000591 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.

-2.5
Solubility 0.6 mg/ml ; 0.00317 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

-3.94
Solubility 0.022 mg/ml ; 0.000116 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

 Low
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.

-5.44 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

 2.0
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)

 1.55

Application In Synthesis of [ 446-48-0 ]

* 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.

  • Upstream synthesis route of [ 446-48-0 ]
  • Downstream synthetic route of [ 446-48-0 ]

[ 446-48-0 ] Synthesis Path-Upstream   1~2

  • 1
  • [ 446-48-0 ]
  • [ 51859-98-4 ]
YieldReaction ConditionsOperation in experiment
109 g With potassium carbonate; hydrazine hydrate In ethanol at 0℃; for 48 h; With stirring, 190 g (1.0 mol) of 2-fluorobenzyl bromide were added to a mixture of 250 g (5.0 mol) of hydrazine hydrate and 137 g (1.0 mol) of potassium carbonate in 2 l of ethanol.
The mixture was stirred at room temperature for 2 d and then concentrated under reduced pressure.
The residue was extracted with diethyl ether.
The organic phase was dried over sodium sulphate and concentrated.
The crude product was purified by chromatography on silica gel.
This gave 109 g (76percent of theory) of the target compound.
References: [1] Journal of Medicinal Chemistry, 1995, vol. 38, # 19, p. 3884 - 3888.
[2] Patent: WO2005/97784, 2005, A1, . Location in patent: Page/Page column 70-71.
[3] Patent: US2012/196861, 2012, A1, .
[4] Patent: US2012/196862, 2012, A1, .
[5] Patent: US2014/357637, 2014, A1, . Location in patent: Paragraph 1226.
  • 2
  • [ 446-48-0 ]
  • [ 73183-34-3 ]
  • [ 517920-60-4 ]
YieldReaction ConditionsOperation in experiment
23% With copper(l) iodide; lithium methanolate; triphenylphosphine In N,N-dimethyl-formamide at 20℃; for 14 h; Inert atmosphere 2-Fluorobenzyl bromide (3000 mg, 15 mmol), boronic acid pinacol ester (6000 mg, 24 mmol),CuI (320 mg, 1.5 mmol), LiOMe (1200 mg, 32 mmol), PPh3 (540 mg, 2 mmol) and DMF (50 mL) were placed in a 250 mL reaction flask and replaced with nitrogen three times and then reacted for 14 h at room temperature. The reaction solution was poured into 200 mL of water, and the CuI was removed by filtration and washed three times with EA. The filtrate was collected and separated, and the aqueous extracted with EA (150 mL×3). After concentrating the EA layer, the title compound 52b (980 mg, 23percent)
References: [1] Angewandte Chemie - International Edition, 2012, vol. 51, # 2, p. 528 - 532.
[2] Angewandte Chemie - International Edition, 2012, vol. 51, # 2, p. 528 - 532.
[3] Patent: CN108341777, 2018, A, . Location in patent: Paragraph 0654-0657.
 

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