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Structure of 27246-81-7

Chemical Structure| 27246-81-7

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Product Details of [ 27246-81-7 ]

CAS No. :27246-81-7
Formula : C6H8BrClN2
M.W : 223.50
SMILES Code : [H+].C1=C(NN)C=CC=C1Br.[Cl-]
MDL No. :MFCD00012933
InChI Key :RPYIPFXHIKXRKS-UHFFFAOYSA-N
Pubchem ID :33757

Safety of [ 27246-81-7 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P301+P312-P302+P352-P304+P340-P305+P351+P338

Computational Chemistry of [ 27246-81-7 ] Show Less

Physicochemical Properties

Num. heavy atoms 10
Num. arom. heavy atoms 6
Fraction Csp3 0.0
Num. rotatable bonds 1
Num. H-bond acceptors 1.0
Num. H-bond donors 2.0
Molar Refractivity 47.2
TPSA ?

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

38.05 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

0.0
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

2.65
Log Po/w (WLOGP)?

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

-1.34
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.

2.45
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

1.04
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

0.96

Water Solubility

Log S (ESOL):?

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

-3.27
Solubility 0.119 mg/ml ; 0.000533 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.

-3.1
Solubility 0.177 mg/ml ; 0.000794 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

-2.94
Solubility 0.255 mg/ml ; 0.00114 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

Low
BBB permeant?

BBB permeation: according to the yolk of the BOILED-Egg

No
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.

-5.78 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.

0.56

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)

1.73

Application In Synthesis of [ 27246-81-7 ]

* 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 [ 27246-81-7 ]

[ 27246-81-7 ] Synthesis Path-Downstream   1~7

  • 1
  • [ 13436-46-9 ]
  • [ 27246-81-7 ]
  • [ 214915-72-7 ]
  • 2
  • [ 27246-81-7 ]
  • [ 13395-36-3 ]
  • [ 784142-85-4 ]
YieldReaction ConditionsOperation in experiment
74% In acetic acid; for 16h;Heating / reflux; A solution of 3-BROMOPHENYLHYDRAZINE hydrochloride (0.5 g, 2.2 mmol) and ethyl 5,5- dimethyl-2, 4-DIOXOHEXANOATE (0. 54 g, 2. 68 mmol) in acetic acid (10 ML) was refluxed for 16 hours. The reaction was cooled to room temperature, and the solvent was removed under reduced pressure. The residue was partitioned between ethyl acetate and water. The organic layer was washed with water, saturated bicarbonate and brine, and dried over sodium sulfate, filtered and concentrated. The crude material was purified by column chromatography (4. 8 : 0.2 HEXANES/ETHYL acetate) to give ethyl 1- (3- BROMOPHENYL)-5-TERT-BUTYL-LH-PYRAZOLE-3-CARBOXYLATE (0.59 g, 74 %) as a syrup.
  • 3
  • [ 27246-81-7 ]
  • [ 6127-19-1 ]
YieldReaction ConditionsOperation in experiment
With sodium hydroxide; PPA; In 5,5-dimethyl-1,3-cyclohexadiene; hexane; dichloromethane; acetone; PREPARATION 9 4-Bromo-2-methyl-1H-indole and 6-bromo-2-methyl-1H-indole 3-Bromophenylhydrazine hydrochloride (26.5 g) was partitioned between etherand excess 2N sodium hydroxide solution. The ether layer was separated, washed with brine, dried (MgSO4) and evaporated. The residue was redissolved in ether (25 ml) and the solution was cooled in ice. Acetone (25 ml) was added and the mixture was allowed to stand for 20 minutes and then evaporated. The residue was dissolved in acetone (25 ml), the solution was evaporated and the residue azeotroped with xylene. The residue was dissolved in xylene (30 ml) and the solution was added dropwise to stirred polyphosphoric acid (200 g) at 90 C. The mixture was stirred at 100 C. for 4 hours and then cooled and poured into ice water with stirring. The mixture was extracted twice with ether, and the combined extracts were washed with brine and dried (MgSO4). The solvent was evaporated and the residue was chromatographed on silica gel using dichloromethane/hexane (1:4) as eluent. The product fractions were combined and evaporated, and the residue was crystallized twice from hexane to give 6-bromo-2-methyl-1H-indole (8.70 g), m.p. 132-134 C. delta(CDCl3): 2.38(3H,s), 6.15(1H,s), 7.12(1H,dd), 7.32(1H,d), 7.36(1H,d), 7.77(1H,br).
  • 4
  • N-acetyl-3-bromo-4-piperidone hydrobromide [ No CAS ]
  • [ 27246-81-7 ]
  • [ 244-69-9 ]
  • [ 1015460-59-9 ]
  • [ 1015460-62-4 ]
  • 5
  • [ 89489-53-2 ]
  • [ 27246-81-7 ]
  • [ 1190861-82-5 ]
YieldReaction ConditionsOperation in experiment
60% Oxalyl chloride (1.20 mL, 14.2 mmol) was added dropwise to a stirred solution of <strong>[89489-53-2]tetrahydro-2H-thiopyran-4-carboxylic acid</strong> (, 2.00 g, 13.7 mmol) in dichloromethane (25 mL). Then, two drops of N,N'-dimethylformamide were added and stirring was continued. After 1.5 hours, the resultant solution was added dropwise over 30 minutes to a stirred, cooled (ice-bath) solution of (3-bromophenyl)hydrazine hydrochloride (3.05 g, 13.7 mmol) and triethylamine (4.20 mL, 30.1 mmol) in dichloromethane (40 mL). After the addition, the mixture was warmed to room temperature and stirred for two hours. The mixture was then concentrated in vacuo and the residue was partitioned between ethyl acetate and water. The organic layer was washed with 4% aqueous sodium hydrogen carbonate solution, dried (MgSO4) and evaporated. The residue was triturated with diethyl ether and the solid was filtered and dried to give the title compound (2.57 g, 60%) as an off-white solid. LRMS (m/z): 315/317 (M+1)+. 1H-NMR δ (DMSO-d6): 1.62-1.76 (m, 2H), 2.00-2.07 (m, 2H), 2.28-2.37 (m, 1 H), 2.63-2.67 (m, 4H), 6.66 (d, J=9.0 Hz, 1 H), 6.79 (t, J=3.0Hz, 1 H), 6.84 (d, J=9.0 Hz, 1H), 7.08 (t, J=9.0 Hz, 1H), 8.00 (brs, 1H), 9.71 (brs, 1H).
  • 6
  • [ 62829-47-4 ]
  • [ 27246-81-7 ]
  • [ 1015460-59-9 ]
  • [ 1015460-62-4 ]
  • 7
  • [ 27246-81-7 ]
  • [ 79099-07-3 ]
  • [ 1015460-59-9 ]
  • [ 1015460-62-4 ]
YieldReaction ConditionsOperation in experiment
To a solution of the mixture of regioisomers from Step A above (1.1 g, 4.4 mmol) in xylene (20 mL) was added manganese(IV)-oxide (3.80 g, 40 mmol). The mixture was stirred at 110 C (internal temperature) overnight. The solid material (Mn02) was filtered off through a paper filter, and the solvents were removed under reduced pressure. The residue was purified on HP-Sil cartridges, by employing a dichloromethane/methanol gradient (100/0 -> 90/10) to obtain a mixture of regioisomers (0.47 g, 43%) (0148) MS (ESI): m/z = 247.19/249.18 [M+H]+
 

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