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Structure of 1516-96-7

Chemical Structure| 1516-96-7

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Product Details of [ 1516-96-7 ]

CAS No. :1516-96-7
Formula : C15H23BrO
M.W : 299.25
SMILES Code : COC1=C(C(C)(C)C)C=C(Br)C=C1C(C)(C)C
MDL No. :MFCD12024327
InChI Key :KKHJQLVAMOKQHO-UHFFFAOYSA-N
Pubchem ID :13691541

Safety of [ 1516-96-7 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H332-H335
Precautionary Statements:P261-P280-P305+P351+P338

Computational Chemistry of [ 1516-96-7 ] Show Less

Physicochemical Properties

Num. heavy atoms 17
Num. arom. heavy atoms 6
Fraction Csp3 0.6
Num. rotatable bonds 3
Num. H-bond acceptors 1.0
Num. H-bond donors 0.0
Molar Refractivity 79.17
TPSA ?

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

9.23 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

3.69
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

5.93
Log Po/w (WLOGP)?

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

5.05
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.

4.76
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

5.05
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

4.9

Water Solubility

Log S (ESOL):?

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

-5.49
Solubility 0.000959 mg/ml ; 0.0000032 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.

-5.9
Solubility 0.000378 mg/ml ; 0.00000126 mol/l
Class?

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

Moderately 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

-5.79
Solubility 0.000489 mg/ml ; 0.00000163 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

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

No
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

Yes
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.

-3.92 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

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

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

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)

2.08

Application In Synthesis of [ 1516-96-7 ]

* 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 [ 1516-96-7 ]

[ 1516-96-7 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 1139-52-2 ]
  • [ 74-88-4 ]
  • [ 1516-96-7 ]
YieldReaction ConditionsOperation in experiment
Reference Example 2To a 500 mL round-bottom four-neck flask equipped with a Dimroth condenser with a nitrogen introducing tube attached thereto, a thermometer, a magnetic rotator and a dropping funnel were added 25.25 g of 4-hydroxy-3,5-di-tert-butylbromobenzene and 250.0 mL of dehydrated dimethylformamide. The resulting mixture was cooled to -41 C., and 4.82 g of 60% by weight sodium hydride was added at -40 to -50 C. The resulting mixture was stirred at -40+/-2 C. for 2 hours to allow to react. To the resulting reaction mixture was added dropwise 7.60 mL of methyl iodide at the same temperature. The temperature of the resulting mixture was raised to 4 C. over 4.5 hours. The resulting reaction mixture was stirred at room temperature overnight, and poured into 500 g of ice water. The resulting mixture was extracted with 200 mL of ethyl acetate three times. The resulting organic layers were mixed, and dried with anhydrous magnesium sulfate. After magnesium sulfate was removed by filtration, the resulting filtrate was concentrated under reduced pressure. The resulting residue was purified by silica gel column chromatography (hexane) to obtain 25.30 g of a colorless crystal of 4-methoxy-3,5-di-tert-butylbromobenzene.Purity (GC): 99.9%GC-MS m/z: 300, 298 (calculated value of the molecular weight: 299.25)
  • 2
  • [ 1139-52-2 ]
  • [ 77-78-1 ]
  • [ 1516-96-7 ]
YieldReaction ConditionsOperation in experiment
95.2% With potassium carbonate; In acetone; at 22℃; for 13h;Heating / reflux; Reference Example 6 4-bromo-2,6-di-tert-butylanisole Under an argon atmosphere, to a solution of <strong>[1139-52-2]4-bromo-2,6-di-tert-butylphenol</strong> (50 g, 0.175 MoL) and potassium carbonate (96.7 g, 4.0 equivalents) in acetone (750 ML) was added dimethyl sulfate (38.6 g, 1.75 equivalents) at 22C, and the mixture was stirred under reflux for 13 hrs.. Insoluble materials were filtered off and the solvent was evaporated under reduced pressure.. ethyl acetate (150 ML) and water (100 ML) were added, the mixture was partitioned, and the organic layer was washed successively with water (100 ML), 5% aqueous NaHCO3 solution (100 ML) and 5% aqueous NaCl solution (100 ML).. The organic layer was dried over anhydrous magnesium sulfate, filtered by gravity, and the filtrate was concentrated under reduced pressure to give the title compound (56.1 g, brown oil).. yield 95.2%1H-NMR (300MHz, CDCl3, TMS) delta: 1.41 (s, 18H), 3.68 (s, 3H), 7.33 (s, 2H).
95.2% With potassium carbonate; In acetone; at 22℃; for 13h;Heating / reflux; Reference Example 2 4-Bromo-2,6-di-tert-butylanisole Under argon atmosphere, to a solution of <strong>[1139-52-2]4-bromo-2,6-di-tert-butylphenol</strong> (50 g, 0.175 mol) and potassium carbonate (96.7 g, 4.0 equivalents) in acetone (750 mL) was added dimethyl sulfate (38.6 g, 1.75 equivalents) at 22C. The mixture was stirred under reflux for 13 hours. Insoluble substances were filtered off and the solvent was distilled off under reduced pressure. By adding ethyl acetate (150 mL) and water (100 mL) to the residue, the reaction mixture was allowed to separate into layers. An organic layer was washed successively with water (100 mL), a 5% NaHCO3 aqueous solution (100 mL) and a 5% NaCl aqueous solution (100 mL), dried over anhydrous magnesium sulfate and then naturally filtered. The filtrate was concentrated under reduced pressure to obtain the title compound (56.1 g, brown oil). Yield 95.2%. 1H-NMR (300 MHz, CDCl3, TMS) delta: 1.41 (s, 18H), 3.68 (s, 3H), 7.33 (s, 2H).
89% With sodium hydride; In tetrahydrofuran; at 75℃; for 12h; To a 500 mL flask was added 200 ml of THF, NaH (3.2 g, 131.5 mmol), and a solution of <strong>[1139-52-2]4-bromo-2,6-di-tert-butylphenol</strong> (25 g, 87.7 mmol) in THF.Dimethyl sulfate (9.1 ml, 96.4 mmol) was added dropwise and stirred at 75 C for 12 h.Cool to room temperature, add 100 ml of water to quench, extract with EA, dry the organic phase, concentrate, and obtain the product by column chromatography(Colorless liquid, 23.4 g, yield = 89%).
 

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