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Chemical Structure| 6942-37-6 Chemical Structure| 6942-37-6
Chemical Structure| 6942-37-6

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CAS No.: 6942-37-6

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Product Details of [ 6942-37-6 ]

CAS No. :6942-37-6
Formula : C8H8BrNO2
M.W : 230.06
SMILES Code : O=C(OC)C1=CC(N)=CC=C1Br
MDL No. :MFCD00085568
InChI Key :OFDWPQOLEQDJIX-UHFFFAOYSA-N
Pubchem ID :245495

Safety of [ 6942-37-6 ]

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H301
Precautionary Statements:P301+P310
Class:6.1
UN#:2810
Packing Group:Ⅲ

Calculated chemistry of [ 6942-37-6 ] 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 1.0
Molar Refractivity 49.83
TPSA ?

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

52.32 ?2

Lipophilicity

Log Po/w (iLOGP)?

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

1.88
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

2.81
Log Po/w (WLOGP)?

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

1.83
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.

2.06
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

1.65
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.05

Water Solubility

Log S (ESOL):?

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

-3.27
Solubility 0.122 mg/ml ; 0.000531 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.

-3.57
Solubility 0.0625 mg/ml ; 0.000272 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

-2.97
Solubility 0.244 mg/ml ; 0.00106 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

 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

 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.

-5.71 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

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<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)

 1.5

Application In Synthesis of [ 6942-37-6 ]

* 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 [ 6942-37-6 ]

[ 6942-37-6 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 1002309-48-9 ]
  • [ 6942-37-6 ]
  • methyl 5-amino-2-(1-cyclobutyl-1H-pyrazol-4-yl)benzoate [ No CAS ]
YieldReaction ConditionsOperation in experiment
87% With dichlorobis(triphenylphosphine)palladium(II); potassium carbonate; In 1,2-dimethoxyethane; water; at 90℃;Inert atmosphere; methyl 5-amino-2-bromobenzoate (Int 1A, 4.21 g, 18.3 mmol), <strong>[1002309-48-9]1-cyclobutyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole</strong> (5.00 g, 20.2 mmol) and potassium carbonate (8.36 g, 60.5 mmol) were dissolved in 1 ,2-dimethoxyethane (67 mL) and water (33 mL) under an atmosphere of nitrogen. Pd(PPh3)2Cl2 (155 mg, 0.22 mmol) was added and the reaction mixture heated at 90 C until completion. The reaction was cooled to RT, diluted with water (100 mL) and extracted with ethyl acetate (75 mL). The organic layer was washed with water (50 mL), brine (50 mL), dried (Na2S04), filtered and concentrated at reduced pressure. The crude product was purified by Biotage Isolera chromatography to give the title compound (4.34 g, 87% yield) as a yellow oil. 1H NMR (500 MHz, DMSO-d6) delta [ppm] 7.73 (d, J = 0.7 Hz, 1 H), 7.37 (d, J = 0.6 Hz, 1 H), 7.11 (d, J = 8.3 Hz, 1 H), 6.80 (d, J = 2.5 Hz, 1 H), 6.70 (dd, J = 8.3, 2.5 Hz, 1 H), 5.31 (s, 2H), 4.86 - 4.73 (m, 1 H), 3.69 (s, 3H), 2.48 -2.31 (m, 4H), 1.83 - 1.71 (m, 2H). LCMS (method 4): Rt = 0.94 min, MS (ESIpos) m/z = 272 (M+H)
9.61 g With bis-triphenylphosphine-palladium(II) chloride; potassium carbonate; In 1,2-dimethoxyethane; water; at 90℃;Inert atmosphere; Under an atmosphere of nitrogen to a mixture of methyl 5-amino-2-bromobenzoate (Int. 1A, 11.5 g, 50.38 mmol), <strong>[1002309-48-9]1-cyclobutyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole</strong> (15.0 g, 60.45 mmol) and potassium carbonate (22.98 g, 166.24 mmol) in 1,2-dimethoxyethane (183 mL) and water (91 mL) was added Pd(PPh3)2Cl2 (425 mg, 0.61 mmol) and the reaction mixture heated at 90 C. until completion. The reaction was cooled to RT, diluted with water (200 mL) and extracted with ethyl acetate (150 mL). The organic layer was washed with water (100 mL), brine (100 mL), dried (Na2SO4), filtered and concentrated at reduced pressure. The residue was purified by Biotage Isolera chromatography (using a gradient of eluents; 0-40% EE in heptane) to give the title compound (9.61 g, 70% yield) as a golden oil. 1H NMR (500 MHz, DMSO-d6) delta [ppm] 7.73 (d, J=0.7 Hz, 1H), 7.37 (d, J=0.6 Hz, 1H), 7.11 (d, J=8.3 Hz, 1H), 6.80 (d, J=2.5 Hz, 1H), 6.70 (dd, J=8.3, 2.5 Hz, 1H), 5.31 (s, 2H), 4.86-4.73 (m, 1H), 3.69 (s, 3H), 2.48-2.31 (m, 4H), 1.83-1.71 (m, 2H). LCMS (method 3): Rt=0.88 min; MS (ESIPos) m/z=272.8 (M+H)+.
  • 2
  • [ 6942-37-6 ]
  • [ 612845-44-0 ]
  • methyl 5-amino-2-(6-ethoxypyridin-3-yl)benzoate [ No CAS ]
YieldReaction ConditionsOperation in experiment
With dichlorobis(triphenylphosphine)palladium(II); potassium carbonate; In 1,2-dimethoxyethane; water; at 90℃; Under an atmosphere of nitrogen, methyl 5-amino-2-bromobenzoate (Int 1A, 1.0 g, 4.35 mmol), <strong>[612845-44-0](6-ethoxypyridin-3-yl)boronic acid</strong> (1.09 mg, 6.52 mmol) and potassium carbonate (1.98 g, 14.3 mmol) were dissolved in 1 ,2-dimethoxyethane (15.8 mL) and water (7.8 mL). Pd(PPh3)2Cl2 (36.7 mg, 0.052 mmol) was added and the reaction mixture heated at 90 C until completion. The reaction mixture was cooled to RT, diluted with water (30 mL) and extracted with ethyl acetate (20 mL). The organic layer was washed with water (15 mL), brine (15 mL), dried (Na2S04), filtered and concentrated at reduced pressure to give the title compound (1.37 g, 115% yield, approximately 87% purity) as a yellow solid. The material was used in the next step without further purification. LCMS (method 4): Rt = 1.03 min, MS (ESIpos) m/z = 273 (M+H)
 

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