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Structure of 57381-43-8

Chemical Structure| 57381-43-8

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Product Details of [ 57381-43-8 ]

CAS No. :57381-43-8
Formula : C8H6Br2O2
M.W : 293.94
SMILES Code : O=C(OC)C1=CC(Br)=CC=C1Br
MDL No. :MFCD00144757
InChI Key :RBCUIRIGTNHLPS-UHFFFAOYSA-N
Pubchem ID :554523

Safety of [ 57381-43-8 ]

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

Computational Chemistry of [ 57381-43-8 ] Show Less

Physicochemical Properties

Num. heavy atoms 12
Num. arom. heavy atoms 6
Fraction Csp3 0.12
Num. rotatable bonds 2
Num. H-bond acceptors 2.0
Num. H-bond donors 0.0
Molar Refractivity 53.12
TPSA ?

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

26.3 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

2.55
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

4.18
Log Po/w (WLOGP)?

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

3.0
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.

3.38
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

3.05
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

3.23

Water Solubility

Log S (ESOL):?

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

-4.53
Solubility 0.0086 mg/ml ; 0.0000293 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.

-4.44
Solubility 0.0106 mg/ml ; 0.0000362 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

-4.17
Solubility 0.0199 mg/ml ; 0.0000676 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

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.

-5.13 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

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<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)

1.72

Application In Synthesis of [ 57381-43-8 ]

* 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 [ 57381-43-8 ]

[ 57381-43-8 ] Synthesis Path-Downstream   1~35

  • 2
  • [ 186581-53-3 ]
  • [ 610-71-9 ]
  • [ 57381-43-8 ]
  • 4
  • [ 57381-43-8 ]
  • [ 38274-16-7 ]
  • [ 261713-89-7 ]
  • 5
  • [ 57381-43-8 ]
  • [ 126213-50-1 ]
  • 2,5-bis[(3,4-etylenedioxy)thien-2-yl]benzoic acid methyl ester [ No CAS ]
  • 6
  • [ 5390-04-5 ]
  • [ 57381-43-8 ]
  • [ 857349-10-1 ]
  • 7
  • [ 57381-43-8 ]
  • [ 857349-17-8 ]
  • 8
  • [ 57381-43-8 ]
  • [ 857349-00-9 ]
  • 9
  • [ 57381-43-8 ]
  • 13-benzyloxymethyl-bicyclo[10.2.2]hexadeca-1(15),12(16),13-triene-6,7-diol [ No CAS ]
  • 10
  • [ 57381-43-8 ]
  • [ 857349-21-4 ]
  • 11
  • [ 57381-43-8 ]
  • [ 857348-99-3 ]
  • 12
  • [ 57381-43-8 ]
  • [ 857349-18-9 ]
  • 13
  • [ 57381-43-8 ]
  • [ 857349-19-0 ]
  • 14
  • [ 57381-43-8 ]
  • 13-(<i>tert</i>-butyl-diphenyl-silanyloxymethyl)-bicyclo[10.2.2]hexadeca-1(15),12(16),13-triene-6,7-diol [ No CAS ]
  • 15
  • [ 57381-43-8 ]
  • [ 857349-20-3 ]
  • 16
  • [ 57381-43-8 ]
  • 2-(benzyloxymethyl)-1,4-bis(5-(tetrahydro-2H-pyran-2-yloxy)pentyl)benzene [ No CAS ]
  • 17
  • [ 57381-43-8 ]
  • {2,5-bis-[5-(tetrahydro-pyran-2-yloxy)-pentyl]-benzyloxy}-<i>tert</i>-butyl-diphenyl-silane [ No CAS ]
  • 18
  • [ 57381-43-8 ]
  • 2,5-bis[(3,4-etylenedioxy)thien-2-yl]-benzoic acid [ No CAS ]
  • 19
  • [ 57381-43-8 ]
  • [ 169780-23-8 ]
  • 20
  • [ 57381-43-8 ]
  • [ 169780-24-9 ]
  • 21
  • [ 57381-43-8 ]
  • 2,5-bis(4-decyloxyphenyl)benzoylaminoethane [ No CAS ]
  • 22
  • [ 57381-43-8 ]
  • 2-<2,5-bis(4-decyloxyphenyl)benzoylamino>ethanol [ No CAS ]
  • 23
  • [ 57381-43-8 ]
  • 3-<2,5-bis(4-decyloxyphenyl)benzoylamino>propane-1,2-diol [ No CAS ]
  • 24
  • [ 57381-43-8 ]
  • 1-<2,5-bis(4-decyloxyphenyl)benzoylamido>-1-deoxy-D-sorbitol [ No CAS ]
  • 25
  • [ 57381-43-8 ]
  • 2,5-bis(4-decyloxyphenyl)benzamide [ No CAS ]
  • 26
  • [ 57381-43-8 ]
  • 2,5-bis(4-decyloxyphenyl)benzohydrazide [ No CAS ]
  • 27
  • [ 57381-43-8 ]
  • 4-<2,5-bis(4-decyloxyphenyl)benzoyl>morpholine [ No CAS ]
  • 28
  • [ 57381-43-8 ]
  • 3-<2,5-bis(4-decyloxyphenyl)benzoyl>-3-azapentane-1,5-diol [ No CAS ]
  • 29
  • [ 57381-43-8 ]
  • N-<2,5-bis(4-decyloxyphenyl)benzoyl>-1-deoxy-1-methylamino-D-glucitol [ No CAS ]
  • 30
  • [ 57381-43-8 ]
  • 16-<2,5-bis(4-decyloxyphenyl)benzoyl>-1,4,7,10,13-pentaoxa-16-azacyclooctadecane [ No CAS ]
  • 32
  • [ 615-59-8 ]
  • [ 57381-43-8 ]
  • 33
  • [ 57381-43-8 ]
  • [ 337533-96-7 ]
  • methyl 5-bromo-2-[3-tert-butyl-1-(2-methylphenyl)-1H-pyrazol-5-yl]amino}benzoate [ No CAS ]
YieldReaction ConditionsOperation in experiment
31% With caesium carbonate;tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; In toluene; at 110℃; for 20h; [150] To a dried 25 mL flask was introduced 3-tert-butyl-1-(2-methylphenyl)-1H-pyrazol- 5-amine (intermediate C, 220 mg, 0.96 MMOL), <strong>[57381-43-8]methyl 2,5-dibromobenzoate</strong> (235 mg, 0.80 MMOL), Pd2 (dba) 3 (36.6 mg, 0.04 MMOL), BINAP (49.8 mg, 0.08 MMOL), and CS2CO3 (365 mg, 1.12 MMOL). The flask was degassed followed by addition of toluene (1 mL), and the mixture was then heated to 110°C for 20 h. The mixture was cooled to rt, and diluted with ethyl acetate. The solid was filtered off, and the solvent was removed under reduced pressure. The residue was redissolved in METHANOL/THF (4: 1, V/V) and filtered though a CB-SILICA plug. HPLC purification using a gradient elution from 10percent to 90percent acetonitrile in water afforded 110 MG (31 percent) of the TITLE COMPOUND.APOS;H NMR (300 MHZ, CD2CI2) 5 9.21 (s, 1 H), 7.41 (d, 1 H), 7.20-7. 30 (m, 5 H), 7.10 (d, 1 H), 6.09 (s, 1 H), 3.72 (s, 3 H), 2.04 (s, 3 H), 1.30 (s, 9 H). ES-MS M/Z 444.1 (MH+) ; HPLC RT (min) 4.30.
31% With racemic-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl; caesium carbonate;tris-(dibenzylideneacetone)dipalladium(0); In toluene; at 110℃; for 20h; To a dried 25 mL flask was introduced 3-tert-butyl-1-(2-methylphenyl)-1 H-pyrazol-5-amine (220 mg, 0.96 mmol), <strong>[57381-43-8]methyl 2,5-dibromobenzoate</strong> (235 mg, 0.80 mmol), Pd2(dba)3 (36.6 mg, 0.04 mmol), BINAP (49.8 mg, 0.08 mmol), and Cs2CO3 (365 mg, 1.12 mmol). The flask was degassed followed by addition of toluene (1 mL), and the mixture was then heated to 110°C for 20 h. The mixture was cooled to rt, and diluted with ethyl acetate. The solid was filtered off, and the solvent was removed under reduced pressure. The residue was redissolved in methanol/THF (4: 1, v/v) and filtered though a C8-silica plug. HPLC purification using a gradient elution from 10percent to 90percent acetonitrile in water afforded 110 mg (31 percent) of the title compound. 1H NMR (300 MHz, CD2Cl2) No. 9.21 (s, 1 H), 7.41 (d, 1 H), 7.20-7.30 (m, 5 H), 7.10 (d, 1 H), 6.09 (s, 1 H), 3.72 (s, 3 H), 2.04 (s, 3 H), 1.30 (s, 9 H). ES-MS m/z 444.1 (MH+); HPLC RT (min) 4.30.
  • 34
  • [ 928264-14-6 ]
  • [ 57381-43-8 ]
  • [ 928264-15-7 ]
YieldReaction ConditionsOperation in experiment
31% With caesium carbonate;tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; In toluene; at 118℃; Step 3: Preparation of 5-Bromo-2-r3-cyclopropyl-l-(3-methyl-pyridin-2-yl)-lH-pyrazol-5- ylaminol-benzoic acid methyl ester; To a mixture of 3-cyclopropyl-l-(3-methyl-pyridin-2-yl)-lH-pyrazol-5-amine (1.0 g, 4.667 mmol) and <strong>[57381-43-8]2,5-dibromo-benzoic acid methyl ester</strong> (1.25 g, 4.243 mmol) in toluene (20 mL) was added BINAP (0.264 g, 0.424 mmol), followed by Pd2(dba)3 (0.233 g, 0.255 mmol). To the mixture was added cesium carbonate (1.94 g, 5.94 mmol) and the suspension was heated at 118 °C overnight and cooled to rt. The cooled reaction mixture was diluted with ethyl acetate and filtered through Celite and concentrated. The product (0.61 g, 31percent) was isolated by column chromatography (25percent ethyl acetate/ hexanes), then on the HPLC (20 to 90 percent acetonitrile). MS m/z 427.1 (M+); HPLC RT (min) 4.06 {method (A)}.
  • 35
  • [ 928264-30-6 ]
  • [ 57381-43-8 ]
  • 5-bromo-2-[3-(3-ethylphenyl)-1-(3-trifluoromethylpyridin-2-yl)-1H-pyrazol-5-ylamino]-benzoic acid methyl ester [ No CAS ]
YieldReaction ConditionsOperation in experiment
43.4% With caesium carbonate;tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; In toluene; at 110℃; Step 2: Preparation of 5-bromo-2-r3-f3-ethylphenyl)-l-(3-trifluoromethylpyridin-2-yl)-lH- PVrazol-5-ylaminol-benzoic acid methyl ester; EPO <DP n="102"/>To a solution of 3-(3-ethylphenyl)-l-(3-trifluoromethyl-pyridin-2-yl)-lH-pyrazol-5- amine (600 mg, 1.44 mmol) and <strong>[57381-43-8]2,5-dibromo-benzoic acid methyl ester</strong> (552 mg, 1.88 mmol) in toluene (8 mL) was added BESfAP (89.93 mg, 0.14 mmol), Pd2(dba)3 (79.36 mg, 0.087 mmol) and cesium carbonate (659 mg, 2.02 mmol). The suspension was heated at 110 0C overnight and then cooled to rt. Column chromatography purification (hexane then 10percent EtOAc/hexane) afforded pure product (342 mg, 43.4percent). 1H NMR (400 MHz, CD3OD) 6 ppm 10.70 (IH, s), 8.87-8.86 (IH, d, J = 6.4 Hz), 8.41-8.39 (IH, d, J = 9.6 Hz), 8.02 (IH, s), 7.72-7.79 (7H, m), 6.80 (IH, s), 3.90 (3H, s), 2.73-2.68 (2H, q, J = 7.6 Hz), 1.31-1.23 (3H, t, J = 14.4 Hz).
 

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