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Structure of 2050-48-8

Chemical Structure| 2050-48-8

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Product Details of [ 2050-48-8 ]

CAS No. :2050-48-8
Formula : C12H8Br2O2S
M.W : 376.06
SMILES Code : O=S(C1=CC=C(Br)C=C1)(C2=CC=C(Br)C=C2)=O
MDL No. :MFCD00017836
InChI Key :QBNABJXQGRVIRA-UHFFFAOYSA-N
Pubchem ID :95927

Safety of [ 2050-48-8 ]

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

Computational Chemistry of [ 2050-48-8 ] Show Less

Physicochemical Properties

Num. heavy atoms 17
Num. arom. heavy atoms 12
Fraction Csp3 0.0
Num. rotatable bonds 2
Num. H-bond acceptors 2.0
Num. H-bond donors 0.0
Molar Refractivity 73.78
TPSA ?

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

42.52 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

2.72
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

4.22
Log Po/w (WLOGP)?

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

5.13
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.

4.4
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

3.64
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

4.02

Water Solubility

Log S (ESOL):?

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

-5.22
Solubility 0.00226 mg/ml ; 0.00000602 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.

-4.82
Solubility 0.00565 mg/ml ; 0.000015 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

-6.49
Solubility 0.000123 mg/ml ; 0.000000327 mol/l
Class?

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

Poorly 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

Yes
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.

-5.6 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

0.0
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<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)

2.12

Application In Synthesis of [ 2050-48-8 ]

* 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 [ 2050-48-8 ]

[ 2050-48-8 ] Synthesis Path-Downstream   1~35

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YieldReaction ConditionsOperation in experiment
86% With oxygen; epi-Cercosporin; In methanol; at 25℃; for 24h;Irradiation; In a 10 mL reaction tube, cercosporin (0.005 mmol) and 4,4'-dibromophenyl sulfide (0.5 mmol) were sequentially added.2mL of methanol, then oxygen protection, 15W white light irradiation, room temperature 25 C reaction for 24h.Rapid object separated by thin layer silica gel plates 300-500 The reaction solution was evaporated to dryness using a rotary evaporator the solvent used is acetic acid eluent ethyl acetate / petroleum ether (v: v = 1: 5),4,4'-Dibromophenyl sulfone was obtained in a yield of 86%.
84.66% With dihydrogen peroxide; acetic acid; for 24h;Reflux; To a solution of 30mL H2O2 (30%, g/g) and 30mL of HOAc was added 3c (3.44g, 10mmol) in fractions. After heated under reflux for 24h, the resulting mixture was cooled to room temperature and then poured into water. The white precipitate was filtered and dried. The crude product was recrystallized from ethanol to produce 3b as a white solid. Yield: 84.66%. M.p.:173-174C. 1H NMR (300MHz, CDCl3): delta(ppm) 7.80-7.77 (d, J=8.7Hz, 4H), 7.67-7.64 (d, J=8.7Hz, 4H) [36].
51% With dihydrogen peroxide; acetic acid; at 100℃; for 10h; Well dried 250 mL three-necked round bottom flask charged with bis (4-bromophenyl) sulfane (9 g, 26.2 mmol), 30% hydrogenperoxide 50 mL and acetic acid 100 mL was stirred at 100C for 10 hours. After completion of the reaction, it was extracted three times using methylenechloride (MC). The extracted organic layer was dried to remove water using MgSO4 and the solvent was removed using a rotary evaporator, separated by column chromatography using MC to obtain compound 5 g (yield = 51%).
With dihydrogen peroxide; acetic acid; for 8h;Inert atmosphere; Reflux; In N2Gas purification system, and the acetic acid was stirred into compound G.Added in excess 30% hydrogen peroxide.The mixture was refluxed for 8 hours at the temperature 110 reaction was complete.The mixture was cooled to room temperature, water was added and the precipitate.The mixture was stirred for about 30 minutes, the precipitate is filtered off.The resultant was washed with water, to obtain a compound H.
With 3-chloro-benzenecarboperoxoic acid; In dichloromethane; at 40℃; for 10h; In a three-necked flaskDiphenylthiophenol (4g, 0.021mol) was added to it.Connect the three links and add balloons,Br2 (9.95 g, 0.063 mol) was poured in a syringe and stirred at room temperature for 2 h to give a yellow solid.The above yellow solid was dissolved in DCM, and stirred at 2.5 eq.After cooling to room temperature, a white precipitate appeared after stirring with K2CO3.The filtrate was filtered and evaporated to dryness to give a white solid.
With dihydrogen peroxide; acetic acid; for 10h; Diphenylsulfane (4 g, 0.021 mol) and Br2 (9.95 g, 0.063 mol) wereadded into a flask to stir at room temperature for 6h. After that, 300 mLmixed solution of H2O2:CH3COOH 1:1 (v: v) was added to react for 10h, and was further purified by silica gel column chromatography to givewhite solid, with yield of 73%. 1H NMR (400 MHz, Chloroform-d) 7.81-7.76 (m, 4H), 7.68-7.63 (m, 4H). 13C NMR (101 MHz, Chloroformd) 141.63, 133.18, 129.28, 127.66.

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  • [ 82-45-1 ]
  • 1,1'-(4,4'-sulfonyl-dianilino)-di-anthraquinone [ No CAS ]
  • 9
  • [ 108-86-1 ]
  • [ 98-58-8 ]
  • [ 2050-48-8 ]
YieldReaction ConditionsOperation in experiment
88% With iron(III) chloride; In dichloromethane; at 40℃; for 6h; 4-Bromobenzenesulfonyl chloride (5.00 g, 19.69 mmol) and bromobenzene (4.61 g, 29.54 mmol) were added to a 250 mL three-necked flask.Dissolve in 40 mL of dichloromethane and add ferric chloride (6.34 g,After 39.39 mmol), the reaction solution was heated to 40 C and stirred for 6 h.The reaction solution was cooled to room temperature, and 30 mL of dichloromethane was slowly added thereto.50 mL of 1 M dilute hydrochloric acid and stirring for 10 min, the mixed solution was poured into a separatory funnel, the organic layer solution was taken, and the aqueous layer was extracted three times with dichloromethane.The organic layers were combined, dried over anhydrous sodium sulfate and filtered.The resulting filtrate was spin-dried using a rotary evaporator.The crude product was purified by silica gel column chromatography using a mixture of n-hexane and dichloromethane in a volume ratio of 4:5. The product was dried in vacuo to give a white powder.6.48 g, yield 88%.
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  • [ 80-08-0 ]
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  • 3-ethynyl-3-trimethylsilyloxyquinuclidine [ No CAS ]
  • 3-[4-(4-bromo-benzenesulfonyl)-phenylethynyl]-1-aza-bicyclo[2.2.2]octan-3-ol [ No CAS ]
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  • [ 7790-94-5 ]
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  • [ 108-86-1 ]
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  • [ 108-86-1 ]
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  • [ 7790-94-5 ]
  • [ 108-86-1 ]
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  • sulfur [ No CAS ]
  • [ 106-37-6 ]
YieldReaction ConditionsOperation in experiment
Typical examples of the compound represented by the formula (5) include 4,4'-difluorobenzophenone, ... 4,4'-dichlorodiphenylsulfone, 4,4'-dichloro-3,3'-disulfodiphenylsulfone, dipotassium salt of 4,4'-dichloro-3,3'-disulfodiphenylsulfone, disodium salt of 4,4'-dichloro-3,3'-disulfodiphenylsulfone, 4,4'-dibromodiphenylsulfone, 4,4'-dinitrodiphenylsulfone, 2,6-difluorobenzonitrile, 2,6-dichlorobenzonitrile,
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  • [ 201802-67-7 ]
  • [ 1438261-82-5 ]
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  • [ 1443674-65-4 ]
  • 27
  • [ 854952-58-2 ]
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  • di(4-(9-phenylcarbazol-3-yl)phenyl)sulfone [ No CAS ]
  • 28
  • [ 34176-08-4 ]
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YieldReaction ConditionsOperation in experiment
91% With copper diacetate; In acetonitrile; at 60℃; for 3h; General procedure: A mixture of the sodium arylsulfinate (1 mmol), Cu(OAc)2 (0.5 mmol)and CH3CN (1 mL) was stirred at 60 C in air for 3 h. After this, themixture was cooled to room temperature and filtered through a filterpaper. The organic phases were evaporated under reduced pressure andthe residue was subjected to flash column chromatography (silica gel,ethyl acetate/petroleum ether = 1/10) to obtain the desired product.All products are known compounds and were characterised by 1HNMR, 13C NMR and HRMS.
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  • 31
  • [ 37500-95-1 ]
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  • [ 1396165-20-0 ]
YieldReaction ConditionsOperation in experiment
58.21% To a solution of 3b (0.376g, 1.0mmol), 18-crown-6 (0.027g, 0.1mmol) and 3,6-di(tert-butyl)carbazole (0.68g, 2.4mmol) in DMPU (5mL) was added K2CO3 (0.55g, 4.0mmol). The reaction mixture was then purged with nitrogen for ten minutes before adding CuI (0.020g, 0.1mmol). The following procedure was similar to that used for 1a. Yield: 58.21%. M.p.:367-370C. 1H NMR (300MHz, CDCl3): delta (ppm) 8.26-8.23 (d, J=8.4Hz, 4H), 8.13 (s, 4H), 7.83-7.80 (d, J=8.4Hz, 2H), 7.50-7.43 (m, 8H), 1.46 (s, 36H). 13C NMR (75MHz, CDCl3): delta (ppm) 143.7, 142.8, 138.4, 137.9, 129.2, 126.2, 123.7, 123.6, 116.1, 108.8, 34.4, 31.6. MS (MALDI-TOF) [m/z]: calcd for C52H56N2O2S, 772.41; found, 772.5745. Anal. Calcd. for C52H56N2O2S (%): C, 80.79; H, 7.30; N 3.62; S, 4.15.found:C, 80.62; H, 7.38; N 3.67; S, 4.17.
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  • [ 7149-20-4 ]
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  • [ 13224-79-8 ]
 

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