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Chemical Structure| 62473-92-1 Chemical Structure| 62473-92-1

Structure of 62473-92-1

Chemical Structure| 62473-92-1

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Product Details of [ 62473-92-1 ]

CAS No. :62473-92-1
Formula : C7H4BrNO3S
M.W : 262.08
SMILES Code : O=C(C1=CC=C(Br)C=C12)NS2(=O)=O
MDL No. :MFCD03789731
InChI Key :CNDPIUXFHSMKMG-UHFFFAOYSA-N
Pubchem ID :10540996

Safety of [ 62473-92-1 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501

Computational Chemistry of [ 62473-92-1 ] Show Less

Physicochemical Properties

Num. heavy atoms 13
Num. arom. heavy atoms 6
Fraction Csp3 0.0
Num. rotatable bonds 0
Num. H-bond acceptors 3.0
Num. H-bond donors 1.0
Molar Refractivity 52.42
TPSA ?

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

71.62 Ų

Lipophilicity

Log Po/w (iLOGP)?

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

0.92
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

1.6
Log Po/w (WLOGP)?

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

1.58
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.

0.74
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

1.23
Consensus Log Po/w?

Consensus Log Po/w: Average of all five predictions

1.22

Water Solubility

Log S (ESOL):?

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

-2.81
Solubility 0.402 mg/ml ; 0.00153 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.

-2.72
Solubility 0.505 mg/ml ; 0.00193 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

-3.39
Solubility 0.107 mg/ml ; 0.000407 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

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

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.

-6.76 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<0.0
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)

2.37

Application In Synthesis of [ 62473-92-1 ]

* 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 [ 62473-92-1 ]

[ 62473-92-1 ] Synthesis Path-Downstream   1~35

  • 1
  • [ 1000693-05-9 ]
  • [ 62473-92-1 ]
  • [ 1000692-98-7 ]
YieldReaction ConditionsOperation in experiment
With sodium carbonate;(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In N,N-dimethyl-formamide; at 120℃; for 0.166667h;Microwave irradiation; Preparation 54 1-(2,2-Difluoro-2H-1,3-benzodioxol-5-yl)-N-[4-methyl-3-(1,1,3-trioxo-2,3-dihydro-1lambda6,2-benzothiazol-6-yl)phenyl]cyclopropane-1-carboxamide 1-(2,2-Difluorobenzo[d][1,3]dioxol-5-yl)-N-(4-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclopropanecarboxamide (46 mg, 0.10 mmol), 6-bromo-1,1-dioxo-1,2-dihydro-1lambda6-benzo[d]isothiazol-3-one (26 mg, 0.10 mmol), Pd(dppf)Cl2 (4.0 mg, 0.0050 mmol), 2M Na2CO3 (150 muL, 0.30 mmol), and DMF (1 mL) were combined and heated at 120° C. in the microwave for 10 min. The mixture was filtered and purified by reverse phase preparatory HPLC to give 1-(2,2-difluoro-2H-1,3-benzodioxol-5-yl)-N-[4-methyl-3-(1,1,3-trioxo-2,3-dihydro-1lambda6,2-benzothiazol-6-yl)phenyl]cyclopropane-1-carboxamide. ESI-MS m/z calc. 512.5, found 513.5 (M+1)+. Retention time 1.93 minutes.
  • 2
  • [ 62473-92-1 ]
  • [ 612537-88-9 ]
  • 3
  • [ 62473-92-1 ]
  • 5-bromo-2-cyano-N-(5-isopropyl-3,4-dimethyl-1,3-thiazol-2(3H)-ylidene)benzenesulfonamide [ No CAS ]
  • 4
  • [ 62473-92-1 ]
  • [ 524707-34-4 ]
  • 5
  • [ 62473-92-1 ]
  • [ 183859-50-9 ]
  • 6
  • [ 62473-92-1 ]
  • [ 183859-73-6 ]
  • 7
  • [ 62473-92-1 ]
  • 7-Bromo-4-hydroxy-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid (3-methyl-4-oxo-2-thioxo-imidazolidin-1-yl)-amide [ No CAS ]
  • 8
  • [ 62473-92-1 ]
  • 7-Bromo-4-hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid (3-methyl-4-oxo-2-thioxo-imidazolidin-1-yl)-amide [ No CAS ]
  • 9
  • [ 62473-92-1 ]
  • 7-Bromo-4-hydroxy-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid (3-allyl-4-oxo-2-thioxo-imidazolidin-1-yl)-amide [ No CAS ]
  • 10
  • [ 62473-92-1 ]
  • 7-Bromo-4-hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid (3-allyl-4-oxo-2-thioxo-imidazolidin-1-yl)-amide [ No CAS ]
  • 11
  • [ 62473-92-1 ]
  • 7-Bromo-4-hydroxy-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid (4-oxo-3-phenyl-2-thioxo-imidazolidin-1-yl)-amide [ No CAS ]
  • 12
  • [ 62473-92-1 ]
  • 7-Bromo-4-hydroxy-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid (3-benzyl-4-oxo-2-thioxo-imidazolidin-1-yl)-amide [ No CAS ]
  • 13
  • [ 62473-92-1 ]
  • 7-Bromo-4-hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid (4-oxo-3-phenyl-2-thioxo-imidazolidin-1-yl)-amide [ No CAS ]
  • 14
  • [ 62473-92-1 ]
  • 7-Bromo-4-hydroxy-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid [3-(4-chloro-phenyl)-4-oxo-2-thioxo-imidazolidin-1-yl]-amide [ No CAS ]
  • 15
  • [ 62473-92-1 ]
  • 7-Bromo-4-hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid (3-benzyl-4-oxo-2-thioxo-imidazolidin-1-yl)-amide [ No CAS ]
  • 16
  • [ 62473-92-1 ]
  • 7-Bromo-4-hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid [3-(4-chloro-phenyl)-4-oxo-2-thioxo-imidazolidin-1-yl]-amide [ No CAS ]
  • 17
  • [ 106-38-7 ]
  • potassium-<2-amino-4-methyl benzoate> [ No CAS ]
  • [ 62473-92-1 ]
  • 19
  • [ 62473-92-1 ]
  • [ 87476-69-5 ]
YieldReaction ConditionsOperation in experiment
With phosphorus pentachloride; trichlorophosphate; at 160℃; for 16h; B. [1, 1-DIOXO-6-(3-TRIFLUOROMETHYL-PHENYL)1H-?6-BENZO[D]ISOTHIAZO-3-YL]-(4- TERT-BUTYL-PHENYL)-AMINE 1. 6-bromo-3-chloro-benzo[d]isothiazole 1,1-dioxide Heat a mixture of 6-bromo-1, 1-dioxo-1, 2-DIHYDRO-1 ? 6-benzo [d] isothiazol-3-one (Kwon et al. (1996) Arzneim. FORSCH. 46 (10): 966-971 ; 1.5 MMOL), POC13 (3 ml) and PCIS (2.0 mmol) for 16 hours at 160°C. Quench with ice, extract with EtOAc, and concentrate to give 6-bromo-3-chloro-benzo [d] isothiazole 1, 1-dioxide.
  • 20
  • [ 62473-92-1 ]
  • [ 3395-91-3 ]
  • methyl 3-(3-bromosaccharinyl)propanoate [ No CAS ]
YieldReaction ConditionsOperation in experiment
With sodium hydride; In N,N-dimethyl-formamide; at 20 - 130℃; for 6h; To a 100-mL round-bottomed flask containing 3-bromosaccharin (1.0 g, 3.8 mmol,Synthelee) in DMF (5 mL), was slowly added NaH (0.15 g, 3.8 mmol, 60percent in mineral oil, Aldrich) at room temp. Methyl 3-bromo-propanoate (2.1 mL, 19 mmol, Aldrich) was added and the reaction mixture was refluxed at 130 °C for 6 h. The reaction was quenched with water (15 mL) and the compound was extracted with EtOAc (2x20 mL). The organic phase was washed with 5percent brine (2x 10 mL), dried over Na2SO4, filtered, and concentrated. Purification EPO <DP n="124"/>with column chromatography over silica gel with hexane:EtOAc:MeOH (5:5:1) gave the title compound.
  • 21
  • [ 73278-98-5 ]
  • [ 62473-92-1 ]
  • N-[3-[3-[(1-piperidinyl)methyl]phenoxy]propyl]-6-bromo-1,2-benzisothiazol-3-amine 1,1-dioxide [ No CAS ]
YieldReaction ConditionsOperation in experiment
With phosphorus pentachloride; In 6-bromo-3-chlorobenzo[d]isothiazole 1,1-dioxide; 1,2-dichloro-benzene; acetonitrile; EXAMPLE 14 N-[3-[3-[(1-piperidinyl)methyl]phenoxy]propyl]-6-bromo-1,2-benzisothiazol-3-amine 1,1-dioxide, hydrochloride A mixture of 4.00 g (15 mmol) <strong>[62473-92-1]6-bromo-1,2-benzisothiazol-3(2H)-one 1,1-dioxide</strong> and 3.57 g (17 mmol) phosphorus pentachloride in 5 ml o-dichlorobenzene is heated from ambient temperature to 160° C. over one hour and is held at that temperature for one additional hour. Upon cooling, liquids are removed in vacuo and the residual 6-bromo-3-chlorobenzisothiazole 1,1-dioxide is suspended in acetonitrile and added portionwise to a solution of 3.7 g (15 mmol) 3-[3-[(1-piperidinyl)methyl]phenoxy]propylamine in refluxing acetonitrile. Heating at reflux is continued for one hour after completion of the addition, after which the reaction mixture is cooled to room temperature. The solution is decanted away from a small quantity of gum and the solvent is removed on a rotoevaporator. The resulting oil is dissolved in absolute ethanol, from which the title compound precipitates. m.p. 217°-220° C. IR (KBr) 1625, 1290, 1165, 1150 cm-1
  • 22
  • [ 62473-92-1 ]
  • [ 2969-81-5 ]
  • [ 1242317-11-8 ]
  • 23
  • [ 62473-92-1 ]
  • [ 14660-52-7 ]
  • [ 1242317-12-9 ]
  • 24
  • 4-bromo-2-sulfamoylbenzoic acid [ No CAS ]
  • [ 62473-92-1 ]
YieldReaction ConditionsOperation in experiment
89% With sulfuric acid; at 20℃; for 3h; The compound 150A (1.59 g, 5.56 mmol) is dissolved in 6 mL of concentrated sulfuric acid at room temperature and the reaction medium is stirred for 3 hours before being poured over ice. The suspension is filtered. The precipitate is rinsed three times with water, and then dried for 24 hours at 500C and in vacuo. The compound 150B (1.33 g, 89percent) is obtained as a white solid.HPLC: RT = 3.16 min, 96percent1H NMR, dmso-de, delta (ppm) : 7.85 (d, IH); 8.08 (d, IH); 8.48 (s, IH) . Mass spectrum (ESI-) : m/z 260 (M-H", 100percent); 262 (M-H", 94percent) .
  • 25
  • [ 62473-92-1 ]
  • [ 75-16-1 ]
  • [ 1303975-97-4 ]
  • 26
  • copper (I) chloride [ No CAS ]
  • [ 135484-83-2 ]
  • [ 62473-92-1 ]
YieldReaction ConditionsOperation in experiment
10% With ammonium hydroxide; acetic acid; sodium nitrite; In tetrahydrofuran; hydrogenchloride; water; sodium hydrogencarbonate; Preparation 496-Bromo-1,1-dioxo-1,2-dihydro-1lambda6-benzo[d]isothiazol-3-oneA solution of methyl 2-amino-4-bromobenzoate (4.5 g, 20 mmol) in 20percent hydrochloric acid (30 mL) was stirred until all solids were dissolved.The solution was cooled to 0° C. and a solution of sodium nitrite (1.4 g, 0.020 mol) in water (20 mL) was added dropwise at such a rate that the internal reaction temperature did not exceed 5° C.The mixture was stirred at 0° C. for 45 minutes.Sulfur dioxide was bubbled into a mixture of acetic acid (50 mL) and water (5 mL) at 0° C. until the solution was saturated.Copper (I) chloride (2.0 g, 0.020 mol) was then added to the saturated sulfur dioxide solution.The mixture was cooled to 0° C.To this mixture was added the diazonium salt solution dropwise with vigorous stirring over a period of 30 minutes.The reaction mixture was stirred at 0° C. for 1 hour and then the mixture was allowed to warm to room temperature.The mixture was stirred at room temperature for 2 h before it was poured into ice water (250 mL) and extracted with EtOAc (3*50 mL).The organics were washed with sat.NaHCO3 solution and dried over anhydrous Na2SO4.The solvent was removed in vacuo to afford an oily residue which was dissolved in tetrahydrofuran (40 mL) and cooled to 0° C.To this mixture was added a cold (0° C.) solution of ammonium hydroxide (28percent, 40 mL) portion-wise at such a rate that the internal reaction temperature was maintained below 10° C.The mixture was allowed to warm to room temperature and was then stirred at room temperature for 1 h.The solvent was removed in vacuo and the residue was dissolved in saturated aqueous sodium bicarbonate (40 mL) and washed with diethyl ether (50 mL).The aqueous layer was acidified with concentrated hydrochloric acid to pH 1.The resulting precipitate was collected by filtration and was dried under vacuum to produce of 6-Bromo-1,1-dioxo-1,2-dihydro-1lambda6-benzo[d]isothiazol-3-one (500 mg, 10percent yield).1H NMR (400 MHz, DMSO) delta 8.44 (d, J=1.5, 1H), 8.04 (dd, J=8.1, 1.5, 1H), 7.81 (d, J=8.0, 1H).
  • 27
  • copper (I) chloride [ No CAS ]
  • [ 52727-57-8 ]
  • [ 29632-82-4 ]
  • [ 62473-92-1 ]
YieldReaction ConditionsOperation in experiment
9% With ammonia; acetic acid; sodium nitrite; In tetrahydrofuran; hydrogenchloride; methanol; water; sodium hydrogencarbonate; Step b:6-Bromo-1,1-dioxo-1,2-dihydro-1lambda6-benzo[d]isothiazol-3-oneA solution of the methyl 2-amino-5-bromobenzoate (20.0 g, 86.9 mol) in 20percent hydrochloric acid (60 mL) was warmed until all solids were dissolved.The solution was cooled to 0° C. with stirring to precipitate the hydrochloride salt.To this suspension was added a solution of sodium nitrite (6.10 g, 8.84 mol) in water (20 mL) dropwise at such a rate that the internal reaction temperature did not exceed 5° C.The mixture was stirred at 0° C. for 45 minutes to afford a clear solution.Sulfur dioxide was bubbled into a mixture of acetic acid (100 mL) and water (10 mL) at 0° C. Copper (I) chloride (8.6 g, 0.088 mol) was then added to the sulfur dioxide solution.The mixture was then cooled to 0° C.To this mixture was added the diazonium salt solution portion-wise with vigorous stirring over a period of 30 minutes.The reaction mixture was stirred at 0° C. for 1 h and then the mixture was allowed to warm to room temperature.The mixture was stirred at room temperature for 2 h before it was quenched with ice water (500 mL).The mixture was extracted with EtOAc (3*) and the extracts were washed with sat.NaHCO3 and dried over anhydrous Na2SO4.The solvent was removed in vacuo to afford an oily residue.The residue was dissolved in THF (60 mL) and the solution was cooled to 0° C.To this mixture was added a cold (0° C.) solution of sat. NH3 (50 mL) in MeOH portion-wise at such a rate that the internal reaction temperature was maintained below 10° C.After the addition was complete, the mixture was allowed to warm to room temperature and was stirred for 1 h.The solvent was removed in vacuo and the residue was dissolved in saturated aqueous sodium bicarbonate (60 mL) and washed with diethyl ether (80 mL).The aqueous layer was acidified with concentrated HCl to pH to 1.The resulting precipitate was collected by filtration and was dried in vacuo to afford 6-bromo-1,1-dioxo-1,2-dihydro-1lambda6-benzo[d]isothiazol-3-one (2.1 g, 9percent yield).1H NMR (300 MHz, CDCl3) delta 8.18 (d, J=1.8, 1H), 8.03 (dd, J=8.1, 1.8, 1H), 7.79 (d, J=8.1, 1H).
  • 28
  • [ 74-96-4 ]
  • [ 62473-92-1 ]
  • N-ethyl-6-bromosaccharin [ No CAS ]
YieldReaction ConditionsOperation in experiment
With potassium carbonate; sodium iodide; In N,N-dimethyl-formamide; at 100℃; for 1h; The first step of the synthesis of (16), the preparation of 6-bromo saccharin (6-bromo-1 ,1 - dioxo-1 ,2-benzothiazol-3-one) (17) is done according to Bioorg. Med. Chem. 13 (2005), 949-961 .In the second step, 6-bromo saccharin is alkylated according to the following procedure: 60.5 g of <strong>[62473-92-1]6-bromosaccharin</strong> (17) are brought into 260 ml of dimethylformamide. After the addition of 74.8 g of bromoethane, 32.0 g of potassium carbonate and 2.6 g of sodium iodide, the mixture is heated to 100 °C for one hour. After cooling down to roomtemperature, the mixture is given into 1 .5 I of water. Thereafter the reaction flask is washed twice with 100 ml water. The combined aqueous mixtures are filtered off and the filtered solid is given into 730 ml of water. After stirring for half an hour, it is filtered again. The compound is dried in vacuum.Yield: 54 g of N-ethyl-<strong>[62473-92-1]6-bromosaccharin</strong> (18)
  • 29
  • [ 62473-92-1 ]
  • [ 1310720-04-7 ]
  • 30
  • [ 62473-92-1 ]
  • [ 1310720-02-5 ]
  • 31
  • [ 62473-92-1 ]
  • [ 1310719-66-4 ]
  • 32
  • [ 62473-92-1 ]
  • [ 1310719-85-7 ]
 

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