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Structure of 127049-87-0

Chemical Structure| 127049-87-0

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Product Details of [ 127049-87-0 ]

CAS No. :127049-87-0
Formula : C7H5BrCl2
M.W : 239.93
SMILES Code : CC1=C(Cl)C(Br)=CC=C1Cl
MDL No. :MFCD09878179
Boiling Point : No data available
InChI Key :DGAYFCFQKDUHQN-UHFFFAOYSA-N
Pubchem ID :14801175

Safety of [ 127049-87-0 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Computational Chemistry of [ 127049-87-0 ] Show Less

Physicochemical Properties

Num. heavy atoms 10
Num. arom. heavy atoms 6
Fraction Csp3 0.14
Num. rotatable bonds 0
Num. H-bond acceptors 0.0
Num. H-bond donors 0.0
Molar Refractivity 49.13
TPSA ?

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

0.0 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

2.56
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

4.14
Log Po/w (WLOGP)?

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

4.06
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.

4.51
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

4.24
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

3.9

Water Solubility

Log S (ESOL):?

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

-4.38
Solubility 0.01 mg/ml ; 0.0000417 mol/l
Class?

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

Moderately soluble
Log S (Ali)?

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

-3.85
Solubility 0.0341 mg/ml ; 0.000142 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

-4.88
Solubility 0.0032 mg/ml ; 0.0000133 mol/l
Class?

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

Moderately 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

Yes
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.

-4.82 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

1.0
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<2.0
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)

1.71

Application In Synthesis of [ 127049-87-0 ]

* 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.

  • Downstream synthetic route of [ 127049-87-0 ]

[ 127049-87-0 ] Synthesis Path-Downstream   1~4

  • 1
  • [ 118-69-4 ]
  • [ 7439-89-6 ]
  • [ 127049-87-0 ]
YieldReaction ConditionsOperation in experiment
99.5% With bromine; iodine; In tetrachloromethane; (2S)-N-methyl-1-phenylpropan-2-amine hydrate; EXAMPLE 1-1 Preparation of 2,4-dichloro-3-methylbromobenzene To a solution of 48.8 g (0.3 mol) of 2,6-dichlorotoluene in 60 ml of carbon tetrachloride, 0.7 g of iron powder and 0.1 g of iodine were added. Then, 52.8 g (0.33 mol) of bromine was dropwise added thereto at room temperature while maintaining the reaction temperature at a level of from 22 to 25 C. After completion of the dropwise addition, the reaction was continued at the same temperature until generation of hydrogen bromide ceased. After the reaction, the reaction solution was added to 300 ml of ice water and extracted with 300 ml of 1,2-dichloroethane. The organic layer was separated and washed sequentially with water, a saturated sodium hydrogen sulfite aqueous solution, water and a saturated sodium chloride aqueous solution. Then, the solvent was distilled off under reduced pressure to obtain 71.9 g (yield: 99.5%) of desired 2,4-dichloro-3-methylbromobenzene. Melting point: 32-33 C.
  • 2
  • [ 127049-87-0 ]
  • [ 886615-35-6 ]
YieldReaction ConditionsOperation in experiment
97% With N-Bromosuccinimide; dibenzoyl peroxide; In tetrachloromethane; for 6.0h;Heating / reflux; Treat a mixture of <strong>[127049-87-0]1-bromo-2,4-dichloro-3-methyl-benzene</strong> (76.01 g, 0.316 mol) and N-bromosuccinimide (59.2 g, 0.332 mol) in CCl4 (500 mL) with benzoyl peroxide (0.77 g, 3.18 mmol) and is heat to reflux for 6 hours under N2. Cool the reaction mixture to 0 C. and filter using hexanes to rinse the solids. Extract the filtrate with water and saturated NaHCO3. Dry the organic layer (Na2SO4) and remove the solvent in vacuo to afford 97.89 g (97%) of the titled product. Rf=0.34 (100% hexanes).
  • 3
  • [ 118-69-4 ]
  • [ 127049-87-0 ]
YieldReaction ConditionsOperation in experiment
100% With bromine; iodine; iron; In tetrachloromethane; at 20.0℃; for 3.33333h; Treat a mixture of 2,6-dichlorotoluene (50.0 g, 0.31 mol), iodine (0.10 g, 0.39 mmol), and 325 mesh iron powder (0.70 g, 12.5 mmol) in CCl4 (60 mL) dropwise with bromine (52.8 g, 0.33 mol) over 20 minutes and is stir for 3 hours at room temperature. Pour the mixture into ice water and extract with 1,2-dichloroethane. Wash the organic layer with saturated sodium bisulfite and dry using Na2SO4. Remove the solvent in vacuo to afford 76.01 g (100%) 1-bromo-2,4-dichloro-3-methyl-benzene.
With bromine; iodine; iron; In tetrachloromethane; at 20.0℃; for 48.0h; To a mixed solution of compound 39-a-1 (5 g, 31.06 mmol), iron powder (87 mg, 1.55 mmol) and iodine (39mg, 0.15 mmol) in carbon tetrachloride was added dropwise bromine (5.22 g, 32.61 mmol) at room temperature. Afterthe addition was complete, the reaction solution was stirred at room temperature for two days. The reaction solutionwas quenched with sodium bisulfite solution, extracted with dichloromethane (2*50 ml), and the organic phase waswashed with saturated brine (30 ml), concentrated and dried to give compound 39-a (4.77 g) as a colorless oil directlyused in the next reaction, purity 76%, yield 64%, MS m/z(ESI):N/A.
  • 4
  • [ 127049-87-0 ]
  • [ 73183-34-3 ]
  • 2-(2,4-dichloro-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane [ No CAS ]
YieldReaction ConditionsOperation in experiment
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate; In 1,4-dioxane; at 90.0℃; for 5.0h; To a stirred solution of <strong>[127049-87-0]1-bromo-2,4-dichloro-3-methylbenzene</strong> (500 mg, 2.09 mmol) and 4,4,4',4',5,5,5',5'-octamethyl-2,2'-bi(1,3,2-dioxaborolane) (637 mg, 2.51 mmol) in 1.4- dioxane was added potassium acetate (304 mg, 3.10 mmol), and the mixture was degassed for 10 min. [1,1'-Bis(diphenylphosphino)ferrocene]dichloropalladium(II) (Pd(dppf)Cl2; 152 mg, 0.2 mmol) was added, and the mixture was degassed for 10 min. The mixture was heated at 90 C for 5 h, was cooled and was diluted with EtOAc. The organic layer was washed with water and brine, dried over Na2S04, and concentrated. Purification by MPLC with 5% EtOAc- Hexane as eluent afforded the title compound as a colorless liquid (430 mg): *H NMR (300 MHz, CDCl3) delta 7.41 (dd, / = 2.07, 8.10 Hz, 1H), 7.26 - 7.23 (m, 1H), 2.47 (s, 3H), 1.37 (s, 12H). Note: The title compound obtained was impure (containing diborane) and used in next step without further purification.
 

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