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Chemical Structure| 5162-82-3 Chemical Structure| 5162-82-3

Structure of 5162-82-3

Chemical Structure| 5162-82-3

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Product Details of [ 5162-82-3 ]

CAS No. :5162-82-3
Formula : C8H7ClO2
M.W : 170.59
SMILES Code : O=C(O)C1=CC=C(C)C(Cl)=C1
MDL No. :MFCD00045841
InChI Key :SDKUOEOJAXGCLU-UHFFFAOYSA-N
Pubchem ID :78840

Safety of [ 5162-82-3 ]

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

Computational Chemistry of [ 5162-82-3 ] Show Less

Physicochemical Properties

Num. heavy atoms 11
Num. arom. heavy atoms 6
Fraction Csp3 0.12
Num. rotatable bonds 1
Num. H-bond acceptors 2.0
Num. H-bond donors 1.0
Molar Refractivity 43.38
TPSA ?

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

37.3 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

1.65
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

3.14
Log Po/w (WLOGP)?

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

2.35
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.

2.52
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

2.31
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

2.39

Water Solubility

Log S (ESOL):?

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

-3.21
Solubility 0.104 mg/ml ; 0.000612 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.

-3.59
Solubility 0.0436 mg/ml ; 0.000255 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

-2.77
Solubility 0.29 mg/ml ; 0.0017 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.

-5.11 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

1.0
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

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)

1.25

Application In Synthesis of [ 5162-82-3 ]

* 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 [ 5162-82-3 ]

[ 5162-82-3 ] Synthesis Path-Downstream   1~56

  • 1
  • [ 5162-82-3 ]
  • [ 586-30-1 ]
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  • [ 95-72-7 ]
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  • [ 34633-69-7 ]
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  • [ 2719-40-6 ]
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  • 7
  • [ 99-94-5 ]
  • [ 5162-82-3 ]
YieldReaction ConditionsOperation in experiment
With cetyltrimethylammonim bromide; chlorine; In water; at 60℃; for 8h; Add in a glass reactor equipped with a thermometer, a stirring paddle and a condenser200 g of p-toluic acid and 800 ml of water, and 2 g of cetyltrimethylammonium bromide,After heating to 60 C, chlorine gas was introduced and the reaction was monitored using a chromatogram.When the product yield is greater than 98%, the reaction is stopped and the reaction is carried out for 8 hours.The reaction solution was added to a Buchner funnel, filtered, and washed with 1500 ml of water.The obtained filter cake was vacuum dried at 80 C to a constant weight.Quantitative analysis by liquid chromatography,A purity of 98% 3-chloro-4-methylbenzoic acid was obtained.The other 2% is p-toluic acid.
  • 8
  • [ 4395-79-3 ]
  • [ 5162-82-3 ]
  • 9
  • [ 124-38-9 ]
  • [ 95-73-8 ]
  • [ 118-90-1 ]
  • [ 95-49-8 ]
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  • [ 7499-06-1 ]
  • 10
  • [ 124-38-9 ]
  • [ 95-73-8 ]
  • [ 118-90-1 ]
  • [ 5162-82-3 ]
  • [ 7499-06-1 ]
  • [ 99-94-5 ]
  • 11
  • [ 2458-12-0 ]
  • [ 5162-82-3 ]
  • [ 82998-57-0 ]
  • 12
  • [ 3411-03-8 ]
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  • 14
  • [ 99-94-5 ]
  • [ 76-05-1 ]
  • [ 1642-81-5 ]
  • [ 100-21-0 ]
  • [ 5162-82-3 ]
  • [ 3006-96-0 ]
  • [ 619-66-9 ]
  • [ 78504-88-8 ]
  • 16
  • [ 95-72-7 ]
  • [ 5162-82-3 ]
  • 17
  • [ 5162-82-3 ]
  • [ 21900-30-1 ]
  • 18
  • [ 5162-82-3 ]
  • [ 108-95-2 ]
  • [ 209461-56-3 ]
YieldReaction ConditionsOperation in experiment
39.8% With copper(l) iodide; copper; potassium carbonate; at 230℃; for 48h; To a solution of 68 (15.0 g, 87.9 mmol), 69 (77.3 mL, 87.9 mmol),Cu-powder (2.79 g, 43.9 mmol), CuI (8.37 g, 43.9 mmol) and K2CO3(24.3 g, 175 mmol) were mixed in a steel vessel and stirred for 2 days at230 C. Progress of the reaction mixture was monitored by TLC andLCMS. The resulting mixture was diluted with EtOAc (250 mL), 1 NNaOH (500 mL) and stirred for 1 h at room temperature. The aqueouslayer was extracted with EtOAc (3 × 250 mL) and then acidified with1 N HCl solution (pH 2) and extracted with EtOAc (3 × 250 mL). Theorganic layer was washed with brine solution (1 × 250 mL), dried withanhydrous sodium sulphate and then concentrated under vacuo to give58 (8.0 g, 39.8%) as a white solid. 1H NMR (400 MHz; DMSO-d6): 12.96(s, 1H), 7.64 (d, 1H), 7.46-7.38 (m, 3H), 7.30 (s, 1H), 7.15 (t, 1H), 6.97(d, 2H), 2.27 (s, 3H).
  • 19
  • [ 7697-37-2 ]
  • [ 4395-79-3 ]
  • [ 5162-82-3 ]
  • 20
  • [ 5162-82-3 ]
  • potash [ No CAS ]
  • [ 586-30-1 ]
  • 22
  • 2.2-dichloro-1-<i>p</i>-tolyl-ethanone-(1) [ No CAS ]
  • [ 5162-82-3 ]
  • 23
  • 2-chloro-cymene [ No CAS ]
  • [ 5162-82-3 ]
  • 24
  • [ 4974-59-8 ]
  • [ 7697-37-2 ]
  • [ 5162-82-3 ]
  • 25
  • [ 95-72-7 ]
  • cobalt palmitate [ No CAS ]
  • [ 5162-82-3 ]
  • 26
  • [ 90792-98-6 ]
  • hypobromite [ No CAS ]
  • [ 5162-82-3 ]
  • 27
  • [ 95-72-7 ]
  • [ 7697-37-2 ]
  • [ 108-24-7 ]
  • SO2 [ No CAS ]
  • [ 5162-82-3 ]
  • [ 34633-69-7 ]
  • 28
  • [ 7664-93-9 ]
  • [ 95-72-7 ]
  • [ 7697-37-2 ]
  • [ 5162-82-3 ]
  • [ 13711-22-3 ]
  • [ 34633-69-7 ]
  • [ 52415-01-7 ]
  • 29
  • [ 2719-40-6 ]
  • permanganate [ No CAS ]
  • [ 5162-82-3 ]
  • 31
  • [ 5162-82-3 ]
  • [ 467442-07-5 ]
YieldReaction ConditionsOperation in experiment
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile); In tetrachloromethane; at 80℃; for 3h; Example 80A 4-Bromomethyl-3-chloro-benzoic acid A 50 mL round bottom flask was charged with <strong>[5162-82-3]3-chloro-4-methyl-benzoic acid</strong> (1 g, 5.9 mmol), NBS (1.043 g, 5.9 mmol), AIBN (97 mg, 0.59 mmol) and CCl4 (20 mL). The mixture was completed after refluxing at 80 C. for 3 hours, then quenched with water, diluted with CH2Cl2. The aqueous layer was extracted with CH2Cl2. The combined organic layer was washed with brine, dried over Na2SO4, concentrated to provide the crude mixtures. Then preparative reverse-phase HPLC was used to provide the pure title compound. 1H NMR (500 MHz, DMSO-d6) delta ppm 4.79(s, 2H), 7.75(d, 1H, J=7.93), 7.89(d, 1H, J=7.93), 7.94 (s, 1H), 13.35(s, br, 1H); MS (ESI) m/e 246.6 (M-H)+.
  • 33
  • [ 5162-82-3 ]
  • N-[1-(2-chloro-4-[(2-pyrrolidin-1-ylethyl)amino]carbonyl}benzyl)piperidin-4-yl]-7-fluoro-4-oxo-4H-chromene-2-carboxamide [ No CAS ]
  • 37
  • [ 5162-82-3 ]
  • 3-chloro-4-(4-methylpiperazin-1-ylmethyl)benzoyl chloride dihydrochloride [ No CAS ]
  • 38
  • [ 5162-82-3 ]
  • 3-chloro-4-(4-methylpiperazin-1-ylmethyl)-N-{4-methyl-3-[4-(pyridin-3-yl)pyrimidin-2-ylamino]phenyl}benzamide [ No CAS ]
  • 39
  • [ 5162-82-3 ]
  • [ 106269-39-0 ]
  • 40
  • [ 5162-82-3 ]
  • [ 209461-37-0 ]
  • 41
  • [ 5162-82-3 ]
  • [ 25539-20-2 ]
  • 42
  • [ 5162-82-3 ]
  • [ 134560-28-4 ]
  • 43
  • [ 5162-82-3 ]
  • 9-Oxo-9H-xanthene-3-carboxylic acid amide [ No CAS ]
  • 44
  • [ 5162-82-3 ]
  • [ 209461-33-6 ]
  • 45
  • [ 5162-82-3 ]
  • 2,7-Dinitro-9-oxo-9H-xanthene-3-carboxylic acid methyl ester [ No CAS ]
  • 46
  • [ 5162-82-3 ]
  • [ 21460-88-8 ]
  • 47
  • [ 5162-82-3 ]
  • [ 39652-34-1 ]
  • 48
  • [ 5162-82-3 ]
  • [ 637347-67-2 ]
  • 50
  • [ 5162-82-3 ]
  • 3-Chlor-4,4'-dimethyl-benzophenon [ No CAS ]
  • 51
  • [ 74-96-4 ]
  • [ 5162-82-3 ]
  • [ 99500-36-4 ]
YieldReaction ConditionsOperation in experiment
In the same manner as in Preparation Example 74-2, the objective compound (28.7 g) was obtained as a pale-yellow oil from <strong>[5162-82-3]3-chloro-4-methylbenzoic acid</strong> (28.7 g). 1H-NMR(CDCl3): 1.39(3H, t, J=6 Hz), 2.43(3H, s), 4.38(2H, q, J=6 Hz), 7.29(1H, d, J=8 Hz), 7.83(1H, d, J=8 Hz), 8.02(1H, s)
  • 52
  • [ 5162-82-3 ]
  • [ 39652-32-9 ]
YieldReaction ConditionsOperation in experiment
85% With borane-THF; In tetrahydrofuran; at 0 - 20℃; A. (3-chloro-4-methylphenyl methanol [00667] To a solution of 4-chloro-2-methylbenzoic acid (800 mg, 4.69 mmol) in THF (8 that was cooled at 0 C, BH3 THF (14 mL, 1M in THF) was added into the solution drop wise. The mixture was then stirred at r.t. overnight. Add methanol to the system at 0C slowly until no gas released. Remove the solvent and the residue was extracted with ethylacetate, concentrated the organic phase to give 894 mg of the title compound (85%). 1H NMR (400 MHz, CDC13): delta 2.36 (3H, s), 4.63 (2H, s), 7.13-7.22 (2H, m), 7.35 (1H, s).
With borane-THF; In tetrahydrofuran; at 0 - 35℃; for 16h;Inert atmosphere; To a solution of <strong>[5162-82-3]3-chloro-4-methylbenzoic acid</strong> (1.50 g) in THF (29 mL) was added dropwise borane-THF complex (1M THF solution, 17.6 mL) over 10 min under argon atmosphere at 0 C., and the reaction mixture was stirred at room temperature for 16 hr. The reaction was quenched with methanol at 0 C., and the mixture was stirred at room temperature for 1 hr. The organic solvent was evaporated under reduced pressure, and the residue was partitioned between water and ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, and filtered through a pad of silica gel and NH silica gel. The filtrate was concentrated under reduced pressure to give crude (3-chloro-4-methylphenyl)methanol (1.39 g).
In the same manner as in Preparation Example 74-4, the objective compound (23.0 g) was obtained as a colorless oil from <strong>[5162-82-3]3-chloro-4-methylbenzoic acid</strong> (25.0 g). 1H-NMR(CDCl3): 2.36(3H, s), 4.65(2H, s), 7.14(1H, d, J=8 Hz), 7.23(1H, d, J=8 Hz), 7.36(1H, S)
  • 53
  • [ 161249-59-8 ]
  • [ 5162-82-3 ]
  • [ 1236942-43-0 ]
YieldReaction ConditionsOperation in experiment
sulfuric acid; EXAMPLE 57 (E)-3-[2-n-Butyl-1-[2-chloro-4(1H-tetrazol-5-yl)phenyl]methyl}-1H-imidazol-5-yl]-2-benzyl-2-propenoic Acid The procedure of Example 42 is followed using t-butyl 4-bromomethyl-3-chlorobenzoate (prepared from <strong>[5162-82-3]3-chloro-4-methylbenzoic acid</strong> by esterification with 2-methylpropene in the presence of concentrated sulfuric acid, followed by bromination with N-bromosuccinimide) in place of ethyl 4-bromomethyl-3-chlorobenzoate to give ethyl (E)-3-[2-n-butyl-1-[2-chloro-4-(carbo-t-butoxy)phenyl]-methyl}-1H-imidazol-5-yl]-2-benzyl-2-propenoate. The t-butyl ester is removed with trifluoroacetic acid.
  • 54
  • [ 5162-82-3 ]
  • [ 21900-30-1 ]
  • [ 109-89-7 ]
  • [ 97712-32-8 ]
YieldReaction ConditionsOperation in experiment
In tetrahydrofuran; N-methyl-acetamide; thionyl chloride; water; ethyl acetate; EXAMPLE 1 Preparation of 3-chloro-N,N-diethyl-p-toluamide STR47 A mixture of 32.2 g (0.19 mol) of <strong>[5162-82-3]3-chloro-4-methylbenzoic acid</strong> in 100 mL of thionyl chloride is treated with 2 drops of dimethylformamide and heated on a steam bath for one hour. The clear amber solution is evaporated in vacuo several times with anhydrous toluene to give a clear amber oily residue. After dilution to a volume of 125 mL with anhydrous tetrahydrofuran, the 3-chloro-4-methyl-benzoyl chloride is added dropwise to a stirred solution of 43.3 mL (0.418 mol) of diethylamine in 300 mL anhydrous tetrahydrofuran under N2 at -5 C. The reaction mixture is allowed to come to room temperature over a 72 hour period then is treated with 300 mL water. The phases are separated; the aqueous phase is extracted with a total of 300 mL ethyl acetate. All organic phases are combined, washed with 300 mL of a saturated sodium chloride solution, dried over magnesium sulfate and concentrated in vacuo to give 40.0 g of a clear dark red oil. The infrared and proton nmr spectra are consistent with the desired structure. Gas-liquid chromatography analysis gives a purity of 96%.
In tetrahydrofuran; N-methyl-acetamide; thionyl chloride; water; ethyl acetate; EXAMPLE 1 Preparation of 3-chloro-N,N-diethyl-p-toluamide STR12 A mixture of 32.2 g (0.19 mol) of <strong>[5162-82-3]3-chloro-4-methylbenzoic acid</strong> in 100 mL of thionyl chloride is treated with 2 drops of dimethylformamide and heated on a steam bath for one hour. The clear amber solution is evaporated in vacuo several times with anhydrous toluene to give a clear amber oily residue. After dilution to a volume of 125 mL with anhydrous tetrahydrofuran, the 3-chloro-4-methyl-benzoyl chloride is added dropwise to a stirred solution of 43.3 mL (0.418 mol) of diethylamine in 300 mL anhydrous tetrahydrofuran under N2 at -5 C. The reaction mixture is allowed to come to room temperature over a 72 hour period then is treated with 300 mL water. The phases are separated; the aqueous phase is extracted with a total of 300 mL ethyl acetate. All organic phases are combined, washed with 300 ml of a saturated sodium chloride solution, dried over magnesium sulfate and concentrated in vacuo to give 40.0 g of a clear dark red oil. The infrared and proton nmr spectra are consistent with the desired structure. Gas-liquid chromatography analysis gives a purity of 96%.
  • 55
  • [ 626-23-3 ]
  • [ 5162-82-3 ]
  • [ 21900-30-1 ]
  • [ 27922-74-3 ]
YieldReaction ConditionsOperation in experiment
With triethylamine; In C6; thionyl chloride; benzene; Preparation of 3-chloro,4-methyl-N,N-di-sec.butyl-benzamide Into a 150 ml flask, provided with a reflux condenser, were placed 17.1 g of <strong>[5162-82-3]3-chloro-4-methyl-benzoic acid</strong> (prepared according to French Pat. No. 835,727) and 55.5 g of SOCl2 and the whole was heated to reflux until complete dissolution. The boiling was continued for another 30 minutes. The excess in SOCl2 was then removed under vacuum and the residue was subjected to fractional distillation at a pressure of 0.2 mm Hg. The fraction passing over at 95C was then collected. 17.9 g of the chloride of 3-chloro,4-methylbenzoic acid were obtained. To these 17.9 g of the chloride of 3-chloro,4-methylbenzoic acid, dissolved in 60 ml of anhydrous benzene, were added 12.9 g of di-sec.butylamine dissolved in 15 ml of anhydrous C6 H 6 and 12.3 g of triethylamine. The whole was then boiled to reflux temperature for 1 hour and was then left to cool down to room temperature. The reaction mass was then concentrated to dryness under reduced pressure. The residue was washed with acidulated H2 O, with H2 O and extracted with ethyl ether. The etheral extract was dried on anhydrous Na 2 SO4, filtered, and the solvent was then removed by reduced pressure. The oily residue was fractionally distilled at a pressure of 0.05 mm Hg. The fraction which passed over at 143-144C was collected. Thereby were obtained 26.5 g of 3-chloro,4-methyl-N,N-di-sec.butyl-benzamide. The analysis gave: calculated C = 68.19%, found C = 64.93%; calculated H = 8.55%, found H = 8.83%.
  • 56
  • [ 5192-03-0 ]
  • [ 5162-82-3 ]
  • [ 930790-88-8 ]
YieldReaction ConditionsOperation in experiment
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In N,N-dimethyl-formamide; for 2h; Step 1 A mixture of 5-aminoindole (1.32 g, 10 mmol), 1-hydroxybenzotriazole (1.49 g, 11 mmol), and 1-(3-dimethylaminopropyl)-3-ethyl-carbodiimide hydrochloride (2.11 g, 11 mmol) was dissolved in N,N-dimethylformamide (30 mL). To this was added <strong>[5162-82-3]3-chloro-4-methylbenzoic acid</strong> (1.71 g, 10 mmol) and the reaction mixture was stirred for 2 hours until the reaction was complete. The mixture was then partitioned between water and dichloromethane solution. The organic layer was separated and the aqueous layer was extracted with dichloromethane several times. The combined extracts were washed with water and brine, dried over anhydrous sodium sulfate, filtered, and concentrated under reduced pressure. The crude product was purified via Biotage Horizon (FlasH 40 M, silica, gradient from 0% ethyl acetate/hexane to 70% ethyl acetate/hexane) to give 3-chloro-N-(1H-indol-5-yl)-4-methylbenzamide as a light tan solid. MS (ESI) m/z 284.9 ([M+H]+).
 

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Technical Information

Categories

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Carboxylic Acids

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