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Chemical Structure| 625446-22-2 Chemical Structure| 625446-22-2

Structure of 4'-Bromo-2'-fluoroacetophenone
CAS No.: 625446-22-2

Chemical Structure| 625446-22-2

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Product Details of [ 625446-22-2 ]

CAS No. :625446-22-2
Formula : C8H6BrFO
M.W : 217.04
SMILES Code : CC(C1=CC=C(Br)C=C1F)=O
MDL No. :MFCD03411551
InChI Key :ASKFCSCYGAFWAB-UHFFFAOYSA-N
Pubchem ID :21938581

Safety of [ 625446-22-2 ]

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

Computational Chemistry of [ 625446-22-2 ] Show Less

Physicochemical Properties

Num. heavy atoms 11
Num. arom. heavy atoms 6
Fraction Csp3 0.12
Num. rotatable bonds 1
Num. H-bond acceptors 2.0
Num. H-bond donors 0.0
Molar Refractivity 44.29
TPSA ?

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

17.07 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.87
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

2.4
Log Po/w (WLOGP)?

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

3.21
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.

2.94
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

3.25
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.73

Water Solubility

Log S (ESOL):?

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

-3.04
Solubility 0.2 mg/ml ; 0.000922 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.

-2.4
Solubility 0.864 mg/ml ; 0.00398 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

-3.87
Solubility 0.0291 mg/ml ; 0.000134 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.

-5.92 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

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)

1.31

Application In Synthesis of [ 625446-22-2 ]

* 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 [ 625446-22-2 ]

[ 625446-22-2 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 625446-22-2 ]
  • [ 7746-27-2 ]
YieldReaction ConditionsOperation in experiment
72% With hydrazine hydrate; In ethylene glycol; at 165℃; for 12h; Intermediate 95 6-bromo-3-methyl-1H-indazole To a solution of intermediate 94 (3.7 g, 17.04 mmoles) in 1,2-ethanediol (25 ml), hydrazine hydrate (1.65 ml, 34.09 mmoles) was added at room temperature and heated to 165 C. After 12 h, the reaction mixture cooled to room temperature, quenched with water and solid precipitated was filtered and dried under vacuum to afford the title compound as colourless solid (2.5 g, 72% yield). 1H-NMR (delta ppm, DMSO-d6, 400 MHz): delta 12.74 (s, 1H), 7.67 (d, J=5.8 Hz, 1H), 7.65 (s, 1H), 7.19 (dd, J=8.6, 1.4 Hz, 1H), 2.46 (s, 3H).
With hydrazine hydrate; In ethylene glycol; at 20 - 200℃; for 1.5h;Microwave irradiation; Part C: Compound 721 (1.1 g, 5.04 mmol) was dissolved in ethylene glycol (10 ml_) and hydrazine monohydrate (277 mg, 5.5 mmol) and stirred at room temperature for 30 minutes followed by 1 hour at 200 0C in a microwave. The reaction was quenched with brine and extracted with methylene chloride. The organic layer was dried over sodium sulfate and concentrated to provide compound 722 (1.0 g). 1H NMR (400 MHz, CDCI3): delta 7.65 (m, 1 H), 7.58 (m, 1H), 7.3 (m, 1 H), 2.6 (S, 3H).
With hydrazine hydrate; In ethanol; at 120℃; for 23h; Intermediate 125; 6-Bromo-3-methyl-1 H-indazole; A suspension of 1-(4-bromo-2-fluorophenyl)ethanone (8.33 g, 38.4 mmol) in 15 mL of hydrazine monohydrate (309 mmol, 8 equiv) was heated to 120 0C under a reflux condenser for 23 hours. The resulting suspension (after cooling to room temperature) was filtered. The white solids were washed with water (2 X 15 mL), sucked under house vacuum at room temperature for 24 hours, and then dried under vacuum at room temperature over P2O5 for 24 hours to afford the title compound (7.59 g) as a yellow solid. LC-MS (ES) m/z = 211 , 213 [M+H]+.
With hydrazine hydrate; In ethylene glycol; at 200℃; for 4.5h;Microwave irradiation; [0001196] To a solution of l-(4-bromo-2-fluorophenyl)ethan-l-one (1.0 g, 3.89 mmol) in 1 ,2-ethanediol (12 mL) was added 80% of hydrazine monohydrate (0.6 mL, 7.78 mmol) at room temperature. The reaction mixture was stirred at 200 C in a microwave for 4.5 h, cooled down to room temperature, and quenched with water (50 mL). The solid precipitated was filtered, washed with water (20 mL), and dried under vacuo to afford Compound 334A.
With hydrazine hydrate; In ethanol; at 120℃; for 12h; [000673j A stirred solution of compound 3 (1 eq) in hydrazine monohydrate (8 eq) was stirred at 120 C for 12 h. The progress of the reaction was monitored by TLC. After completion of the reaction, the reaction mixture was diluted with water, extracted with ethyl acetate (3 X 25 mL). The combined organic extracts were washed with brine, dried over anhydrous sodium sulfate and evaporated under reduced pressure. The crude product was washed with diethyl ether to afford compound 4. LCMS (mlz): 213.00 (M+2).

 

Historical Records

Technical Information

• Alkyl Halide Occurrence • Arndt-Eistert Homologation • Baeyer-Villiger Oxidation • Barbier Coupling Reaction • Baylis-Hillman Reaction • Bucherer-Bergs Reaction • Clemmensen Reduction • Corey-Bakshi-Shibata (CBS) Reduction • Corey-Chaykovsky Reaction • Fischer Indole Synthesis • General Reactivity • Grignard Reaction • Henry Nitroaldol Reaction • Hiyama Cross-Coupling Reaction • Horner-Wadsworth-Emmons Reaction • Hunsdiecker-Borodin Reaction • Hydride Reductions • Kinetics of Alkyl Halides • Kumada Cross-Coupling Reaction • Lawesson's Reagent • Leuckart-Wallach Reaction • McMurry Coupling • Meerwein-Ponndorf-Verley Reduction • Passerini Reaction • Paternò-Büchi Reaction • Petasis Reaction • Peterson Olefination • Pictet-Spengler Tetrahydroisoquinoline Synthesis • Preparation of Aldehydes and Ketones • Preparation of Amines • Preparation of Carboxylic Acids • Prins Reaction • Reactions of Aldehydes and Ketones • Reactions of Alkyl Halides with Reducing Metals • Reactions of Amines • Reactions of Benzene and Substituted Benzenes • Reactions of Carboxylic Acids • Reactions of Dihalides • Reformatsky Reaction • Robinson Annulation • Schlosser Modification of the Wittig Reaction • Schmidt Reaction • Specialized Acylation Reagents-Ketenes • Stille Coupling • Stobbe Condensation • Substitution and Elimination Reactions of Alkyl Halides • Suzuki Coupling • Tebbe Olefination • Ugi Reaction • Wittig Reaction • Wolff-Kishner Reduction

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