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Structure of 83647-43-2

Chemical Structure| 83647-43-2

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Product Details of [ 83647-43-2 ]

CAS No. :83647-43-2
Formula : C8H9BrO
M.W : 201.06
SMILES Code : OCC1=CC=CC(Br)=C1C
MDL No. :MFCD11847531
Boiling Point : No data available
InChI Key :XYDXDWXAAQXHLK-UHFFFAOYSA-N
Pubchem ID :10035697

Safety of [ 83647-43-2 ]

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

Computational Chemistry of [ 83647-43-2 ] Show Less

Physicochemical Properties

Num. heavy atoms 10
Num. arom. heavy atoms 6
Fraction Csp3 0.25
Num. rotatable bonds 1
Num. H-bond acceptors 1.0
Num. H-bond donors 1.0
Molar Refractivity 45.24
TPSA ?

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

20.23 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

2.19
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

2.09
Log Po/w (WLOGP)?

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

2.1
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.

2.61
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

2.81
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.36

Water Solubility

Log S (ESOL):?

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

-2.78
Solubility 0.333 mg/ml ; 0.00165 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.

-2.14
Solubility 1.44 mg/ml ; 0.00716 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

-3.47
Solubility 0.068 mg/ml ; 0.000338 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.

-6.04 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)

1.28

Application In Synthesis of [ 83647-43-2 ]

* 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 [ 83647-43-2 ]

[ 83647-43-2 ] Synthesis Path-Downstream   1~4

  • 2
  • [ 865139-18-0 ]
  • [ 83647-43-2 ]
  • (4'-(benzyloxy)-2,2',6'-trimethylbiphenyl-3-yl)methanol [ No CAS ]
YieldReaction ConditionsOperation in experiment
57.2% With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium(0); sodium carbonate; In water; N,N-dimethyl-formamide; at 120℃; for 1h;Microwave irradiation; 2-Methyl-3-bromo-phenylmethanol (201 mg, 1 mmol, prepared by a method disclosed in patent application ), (4-(benzyloxy)-2,6-dimethylphenyl) boronic acid 12b (300 mg, 1.20 mmol), 1 mL 2 M aqueous sodium carbonate solution, 2-dicyclohexylphosphino-2',6'-dimethoxy-1,1'-biphenyl (33 mg, 0.08 mmol) and tris(dibenzylideneacetone)dipalladium (18 mg, 0.02 mmol) were dissolved in 1 mL of N,N-dimethylformamide. The reaction mixture was reacted at 120 C under microwave condition for 1 hour. The resulting mixture was added with 10 mL of water and extracted with ethyl acetate (20 mL*2). The combined organic extracts were washed with saturated sodium chloride solution (30 mL), dried with anhydrous magnesium sulphate and filtered. The filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography with elution system B to obtain the title compound (4'-(benzyloxy)-2,2',6'-trimethylbiphenyl-3-yl)methanol 12c (190 mg, yield 57.2%) as a red slime. MS m/z (ESI): 333.3 [M+1]
57.2% With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium(0); sodium carbonate; In water; N,N-dimethyl-formamide; at 120℃; for 1h;Inert atmosphere; Microwave irradiation; 2-Methyl-3-bromo-phenylmethanol (201 mg, 1 mmol, prepared by a method disclosed in PCT patent application WO2010143733), (4-(benzyloxy)-2,6-dimethylphenyl) boronic acid 12b (300 mg, 1.20 mmol), 1 mL of 2M aqueous sodium carbonate solution, 2-dicyclohexylphosphino-2?,6?-dimethoxy-1,1?-biphenyl (33 mg, 0.08 mmol) and tris(dibenzylideneacetone)dipalladium (18 mg, 0.02 mmol) were dissolved in 1 mL of N,N-dimethylformamide. The reaction mixture was reacted at 120 C. under microwave conditions for 1 hour. The resulting mixture was mixed with 10 mL of water and extracted with ethyl acetate (20 mL×2). The combined organic extracts were washed with saturated sodium chloride solution (30 mL), dried with anhydrous magnesium sulphate, and filtered. The filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography with elution system B to obtain the title compound (4?-(benzyloxy)-2,2?,6?-trimethylbiphenyl-3-yl)methanol 12c (190 mg, yield 57.2%) as a red slime. MS m/z (ESI): 333.3 [M+1]
  • 3
  • [ 83647-43-2 ]
  • [ 98-80-6 ]
  • [ 76350-90-8 ]
YieldReaction ConditionsOperation in experiment
74.62% With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium hydrogencarbonate; In ethanol; toluene; at 80℃; for 12h;Inert atmosphere; To a solution of 20.00 g (99.47 mmol, 1.0 eq) of (3-bromo-2-methyl-phenyl)methanol 1A and 24.26 g (198.94 mmol, 2.0 eq) of phenylboronic acid in 156 mL of toluene and 52mL of EtOH, were added 812.3 mg (0.995 mmol, 0.01 eq) of Pd(dppf)Cl2.CH2Cl2 and 25.07g (2 M, 149.21 mL, 3.0 eq) of NaHCC under nitrogen gas. The mixture was stirred at 80C for 12 hours. The mixture was separated, and the aqueous phase was extracted with 2 x 400 mL of ethyl acetate (EtOAc). The combined organic phase was washed with 2 x 200 mL of brine, dried over Na2SC>4, filtered and the solvent was concentrated. The residue was purified by column eluted with petroleum ether/ethyl acetate = 25/1-10/1 to give crude product (25 g) as a yellow solid. The solid was smashed in 100 mL of petroleum ether, and the suspension was filtered to give 15.00 g (74.62%) of (2-methyl-[l,l'-biphenyl]-3-yl)methanol as a white solid. lH NMR (400 MHz, CDC13): delta 7.40-7.31 (m, 4H) 7.25-7.22 (m, 3H) 4.75-4.74 (m, 2H) 2.21 (m, 3H) 1.62~1.59(m, 1H).
73% With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium hydrogencarbonate; In ethanol; water; toluene; at 80℃; for 12h;Inert atmosphere; Sealed tube; To a stirred solution of (3-bromo-2-methylphenyl)methanol (4, 1 g, 5 mmol), phenyl boronic acid (5, 1.4 g, 10 mmol) in toulene (12 mL) and EtOH (4 mL) were added PdCl2(dppf).DCM (0.04 g, 0.05 mmol) and 2M aqueous NaHC03 solution (4 mL), the reaction mixture was degasified with nitrogen gas for 10 min. The reaction mixture was then heated in a seal tube at 80 C for 12 h. The reaction mixture was filtered through celite; the filtrate was diluted with water and extracted with ethyl acetate (2 x 100 mL). The organic layer was then dried over sodium sulfate, evaporated and the crude was purified on combiflash MPLC using 20% ethyl acetate in hexanes as eluent to afford (2-methyl-[l, l'-biphenyl]-3-yl)methanol as off-white solid (6, Yield: 0.81 g, 73%). LCMS (ES) m/z = 199.1 [M+H]+
68.9% With tetrakis(triphenylphosphine) palladium(0); potassium carbonate; In 1,4-dioxane; water; at 100℃; for 3h;Inert atmosphere; The compound I-1C (2 g, 10 mmol) obtained in the previous step was dissolved in dioxane (30 ml).Add 2N aqueous potassium carbonate solution (10 ml),Then, phenylboric acid (1.46 g, 12 mmol) and tetrakistriphenylphosphine palladium (150 mg, 0.12 mmol) were added, and the obtained reaction solution was replaced with nitrogen three times.The reaction was carried out at 100 C for 3 hours under a nitrogen atmosphere, and TLC showed the reaction was completed.After the methanol was rotated under reduced pressure, a saturated ammonium chloride solution (250 ml) was added.The mixture was extracted with ethyl acetate (150 mL×3), and then evaporated. Ethyl acetate = 10/1 (volume ratio V / V)),Compound I-1D (1.36 g, pale yellow solid) was obtained.Yield: 68.9%.
2 g With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium hydrogencarbonate; In ethanol; toluene; at 80℃; for 0.5h;Inert atmosphere; A mixture of (3-bromo-2-methylphenyl)methanol (2.071 g, 10.3 mmol), phenylboronic acid (2.51 g, 20.60 mmol) and [l,l'-bis(diphenylphosphino)ferrocene] dichloropalladium (II) dichloromethane complex (0.084 g, 0.103 mmol) in toluene (15.45 ml) and ethanol (5.15 ml) was placed under argon. To this solution was added sodium bicarbonate, 2M (15.45 ml, 30.9 mmol) and the mixture was heated at 80 C for 30 min. The reaction mixture was diluted with 20 mL ethyl acetate and 5 mL water. The organic portion was concentrated by rotatory evaporation. The crude product was chromatographed on silica gel eluting with 0-40% ethyl acetate in hexane to afford 2 g of an off-white solid. 1H NMR (400MHz, CHLOROFORM-d) delta 7.47-7.29 (m, 7H), 7.23 (s, 1H), 4.80 (d, J=5.6 Hz, 2H), 2.27 (s, 3H), 1.63-1.59 (m, 1H).
2 g With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium hydrogencarbonate; In ethanol; toluene; at 80℃; for 0.5h;Inert atmosphere; A mixture of (3-bromo-2-methylphenyl)methanol (2.071 g, 10.3 mmol), phenylboronic acid (2.51 g, 20.60 mmol) and [1,1?-bis(diphenylphosphino)ferrocene]dichloropalladium (II) dichloromethane complex (0.084 g, 0.103 mmol) in toluene (15.45 mL) and ethanol (5.15 mL) was placed under argon. To this solution was added sodium bicarbonate, 2M (15.45 mL, 30.9 mmol) and the mixture was heated at 80 C. for 30 minutes. The reaction mixture was diluted with 20 mL ethyl acetate and 5 mL water. The organic portion was concentrated by rotatory evaporation. The crude product was chromatographed on silica gel eluting with 0-40% ethyl acetate in hexane to afford 2 g of an off-white solid. 1H NMR (400 MHz, CHLOROFORM-d) delta 7.47-7.29 (m, 7H), 7.23 (s, 1H), 4.80 (d, J=5.6 Hz, 2H), 2.27 (s, 3H), 1.63-1.59 (m, 1H).
4.58 g With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium hydrogencarbonate; In ethanol; toluene; at 80℃; for 0.5h;Inert atmosphere; A mixture of compound 2 (4.6 g, 22.8 mmol), phenylboronic acid 3 (5.65 g, 46.3 mmol) and [ 1 , 1 ' -bis (diphenylphosphino) - ferrocene ] dichloropalladium ( I I ) dichloromethane complex (0.188 g, 0.103 mmol) in toluene (34.5 mL) and ethanol (11.3 mL) was placed under argon. To this solution sodium bicarbonate, 2M (34.5 mL, 69.0 mmol) was added and the mixture was heated at 80 C for 30 min. Ethyl acetate (44 mL) and (11 mL) water were added to the reaction mixture. The organic extract was concentrated by rotatory evaporation. The crude product was chromatographed on silica gel eluting with 0-40% ethyl acetate in hexane to afford 4.58 g of an off-white solid, mp: 58.0- 59.5 C; 1H NMR (600 MHz, CDC13) delta [ppm] : 7.43-7.40 (m, 3H) , 7.35 (m, 1H) , 7.31-7.29 (m, 2H) , 1H) , 7.26 (t, J=7.6 Hz, 1H) , 7.20 (dd, Jl=7.6 Hz, J2=1.3 Hz, 1H) , 4.78 (s, 2H) , 2.25 (s, 3H) ; 13C NMR (151MHz, DMSO-d6) delta [ppm]: 143.0, 142.2, 140.0, 133.8, 129.7, 129.5, 128.2, 127.0, 126.9, 125.7, 64.2, 16.0; IR V (ATR cm-1) : 3365, 3054, 1601, 1469, 1047, 757.

 

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