2-Carbomethoxybenzenesulfonamide supplier

: 67-56-1
methanol

: 81-07-2
saccharin

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

Conditions

Conditions	Yield
With sulfuric acid at 10 - 70℃; for 12h; Time;	89%
With sulfuric acid In methanol for 12h; Reflux;	65%
at 170℃;

: 67-56-1
methanol

: 632-24-6
2-sulfamoyl-benzoic acid

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

Conditions

Conditions	Yield
With sulfuric acid
With hydrogenchloride

: 81-07-2
saccharin

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

Conditions

Conditions	Yield
With phosphorus pentachloride at 70 - 75℃; tropfenweiser Zusatz von Methylalkohol zu dem stark abgekuehlten Produkt und Kochen der ausgeschiedenen Krystalle mit Methylalkohol;

: 74223-64-6
Metsulfuron-methyl

A: 93-58-3
benzoic acid methyl ester

B: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

C: 74222-95-0
2-(methoxycarbonyl)benzenesulfonyl isocyanate

D: 1668-54-8
4-methoxy-6-methyl-1,3,5-triazin-2-amine

E: 2-Isocyanato-4-methoxy-6-methyl-[1,3,5]triazine

F: 18712-14-6
3-(methoxy)-1,2-benzisothiazole 1,1-dioxide

Conditions

Conditions	Yield
at 800℃; for 0.00138889h; Product distribution; study of the pyrolysis of various sulfonylureas; other sulfonylureas and their products;

...Expand

: 26638-43-7
2-methoxycarbonylbenzenesulfonyl chloride

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

Conditions

Conditions	Yield
With pyridine; Rink amide resin; trifluoroacetic acid 1.) CH2Cl2, room temp., 15 h, 2.) CH2Cl2, 15 min; Yield given. Multistep reaction;
With ammonium hydroxide In acetonitrile at 0 - 20℃; for 1h; Inert atmosphere;

: (o-Methoxycarbonylphenylsulfonyl)carbamic acid

A: 124-38-9
carbon dioxide

B: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

Conditions

Conditions	Yield
With phosphoric acid In various solvent(s) at 25℃; pH=1.21; Kinetics; Activation energy; Further Variations:; pH-values; Temperatures; Reagents; Hydrolysis;

: 74223-64-6
Metsulfuron-methyl

A: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

B: 1668-54-8
4-methoxy-6-methyl-1,3,5-triazin-2-amine

C: methyl 2-[[[[(4-hydroxy-6-methyl-1,3,5-triazine-2-yl)amino]carbonyl]amino]sulfonyl]benzoate

D: methyl 2-[[[[[[[(acetylamino)carbonyl]amino]carbonyl]amino]carbonyl]amino]sulfonyl]benzoate

Conditions

Conditions	Yield
In water at 45℃; pH=2; Kinetics; Further Variations:; pH-values; Temperatures;

...Expand

: 74223-64-6
Metsulfuron-methyl

A: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

B: C13H15N5O7S

C: 1668-54-8
4-methoxy-6-methyl-1,3,5-triazin-2-amine

D: N-(carbomethoxy phenylsulfonyl)-N'-methyl urea

E: methyl 2-[[[[(4-hydroxy-6-methyl-1,3,5-triazine-2-yl)amino]carbonyl]amino]sulfonyl]benzoate

F: methyl 2-[[[[[[[(acetylamino)carbonyl]amino]carbonyl]amino]carbonyl]amino]sulfonyl]benzoate

Conditions

Conditions	Yield
With HO(1-)Fe(3+)H2O In water pH=3.5; Irradiation;

...Expand

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 81-07-2
saccharin

Conditions

Conditions	Yield
With potassium hydroxide at 64℃; pH=9; Reagent/catalyst;	98.19%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 620-79-1
Ethyl 2-benzylacetoacetate

: ethyl (1,1-dioxido-1,2-benzisothiazol-3(2H)-ylidine)-2-phenyl-methyl-3-oxo-butanoate

Conditions

Conditions	Yield
Stage #1: methyl 2-(aminosulfonyl)benzoate; Ethyl 2-benzylacetoacetate With N,N,N,N,-tetramethylethylenediamine; lithium diisopropyl amide In tetrahydrofuran at 0℃; for 3.5h; Stage #2: With hydrogenchloride In tetrahydrofuran	95%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 108-24-7
acetic anhydride

: methyl 2-(N-acetylsulfamoyl)benzoate

Conditions

Conditions	Yield
With zinc(II) chloride at 23℃;	95%
With zinc(II) chloride at 50℃;	86%
With zinc(II) chloride at 20℃;	75%
With zinc(II) chloride at 23℃; Inert atmosphere; Schlenk technique;

: 2432-51-1
ethylthioacetic acid methyl ester

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 1181384-71-3
N-butyryl-2-(methoxycarbonyl)-benzenesulfonamide

Conditions

Conditions	Yield
Stage #1: methyl 2-(aminosulfonyl)benzoate With N-Bromosuccinimide; iron(II) chloride In acetonitrile at 20℃; for 0.0166667h; Stage #2: ethylthioacetic acid methyl ester In acetonitrile at 45℃; for 10h;	94%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: (E)-1-phenyl-2-(1-(p-tolyl)ethylidene)hydrazine

: 2-(3-(4-methylphenyl)-1-phenyl-1H-pyrazol-5-yl)benzenesulfonamide

Conditions

Conditions	Yield
Stage #1: (E)-1-phenyl-2-(1-(p-tolyl)ethylidene)hydrazine With lithium diisopropyl amide In tetrahydrofuran; hexane at 0℃; Stage #2: methyl 2-(aminosulfonyl)benzoate In tetrahydrofuran; hexane at 0℃;	93%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 75-87-6
chloral

: 121583-26-4
2-benzoesaeuremethylester

Conditions

Conditions	Yield
With hydrogenchloride for 16h; Heating;	90%

: 542-08-5
isopropyl acetoacetate

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: (1-methylethyl)-4-(1,1-dioxido-1,2-benzisothiazol-3(2H)-ylidine)-3-oxo-butanoate

Conditions

Conditions	Yield
Stage #1: isopropyl acetoacetate With lithium diisopropyl amide In tetrahydrofuran for 1h; Stage #2: methyl 2-(aminosulfonyl)benzoate In tetrahydrofuran at 0℃; for 3h;	90%
Stage #1: isopropyl acetoacetate; methyl 2-(aminosulfonyl)benzoate With N,N,N,N,-tetramethylethylenediamine; lithium diisopropyl amide In tetrahydrofuran at 0℃; for 3.5h; Stage #2: With hydrogenchloride In tetrahydrofuran	78%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 124-40-3
dimethyl amine

: C9H12N2O3S

Conditions

Conditions	Yield
In tetrahydrofuran at 10 - 25℃; for 20h;	90%

: 2-acetonaphthone BOC-hydrazone

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 1011502-56-9
2-(3-(2-naphthyl)-1H-pyrazol-5-yl)benzenesulfonamide

Conditions

Conditions	Yield
Stage #1: 2-acetonaphthone BOC-hydrazone; methyl 2-(aminosulfonyl)benzoate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at 0 - 20℃; Stage #2: With hydrogenchloride In tetrahydrofuran Heating; Further stages.;	89%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 149625-80-9
1,5-anhydro-6-O-triisopropylsilyl-3,4-O-carbonate-2-deoxy-D-lyxo-hex-1-enopyranose

: methyl 2-(N-((2R,5R,6R)-5-hydroxy-6-(((triisopropylsilyl)oxy)methyl)-5,6-dihydro-2H-pyran-2-yl)sulfamoyl)benzoate

Conditions

Conditions	Yield
With palladium diacetate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In dichloromethane at 20℃; for 12h; Schlenk technique; Inert atmosphere; stereoselective reaction;	88%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 591-51-5
phenyllithium

: 53440-57-6
3-phenylbenzo[d]isothiazole-1,1-dioxide

Conditions

Conditions	Yield
In tetrahydrofuran at 0 - 20℃;	87%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 93-91-4
1-phenylbutan-1,3-dione

: 4-(1,1-dioxido-1,2-benzisothiazol-3(2H)-ylidine)-1-phenylbutan-1,3-dione

Conditions

Conditions	Yield
Stage #1: 1-phenylbutan-1,3-dione With lithium diisopropyl amide In tetrahydrofuran for 1h; Stage #2: methyl 2-(aminosulfonyl)benzoate In tetrahydrofuran at 0℃; for 3h;	87%

: 1694-31-1
tert-butyl acetoacetate

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 1,1-dimethylethyl (1,1-dioxido-1,2-benzisothiazol-3(2H)-ylidine)-3-oxo-butanoate

Conditions

Conditions	Yield
Stage #1: tert-butyl acetoacetate; methyl 2-(aminosulfonyl)benzoate With N,N,N,N,-tetramethylethylenediamine; lithium diisopropyl amide In tetrahydrofuran at 0℃; for 3.5h; Stage #2: With hydrogenchloride In tetrahydrofuran	86%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 18162-48-6
tert-butyldimethylsilyl chloride

: methyl 2-(N-(tert-butyldimethylsilyl)sulfamoyl)benzoate

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 0 - 20℃;	85%
With triethylamine In dichloromethane at 20℃; for 20h;

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 917-54-4
methyllithium

: 34989-82-7
3-methylbenzo[d]isothiazole-1,1-dioxide

Conditions

Conditions	Yield
In tetrahydrofuran at 0 - 20℃;	83%

: 98320-74-2
4,6-dimethoxy-1,3,5-triazin-2-yl-carbamic acid,phenyl ester

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 139-02-6
sodium phenoxide

: 74223-63-5
N-[(4,6-Dimethoxy-1,3,5-triazin-2-yl)aminocarbonyl]-2-methoxycarbonylbenzenesulfonamide

Conditions

Conditions	Yield
Stage #1: 4,6-dimethoxy-1,3,5-triazin-2-yl-carbamic acid,phenyl ester; methyl 2-(aminosulfonyl)benzoate; sodium phenoxide In N,N-dimethyl acetamide for 1.58333h; Stage #2: With hydrogenchloride In N,N-dimethyl acetamide; water at 0℃;	82.2%

...Expand

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 100-52-7
benzaldehyde

: 2-{[1-Phenyl-meth-(E)-ylidene]-sulfamoyl}-benzoic acid methyl ester

Conditions

Conditions	Yield
With K 10 clay; calcium carbonate; trimethyl orthoformate at 180 - 183℃; for 0.133333h; Condensation; Irradiation;	82%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 911392-01-3
2-azidosulfonylbenzoic acid methyl ester

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; sodium hydrogencarbonate; perfluorobutanesulfonyl azide In methanol; diethyl ether; water at 20℃; for 6h;	82%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 117788-17-7
(E)-1-(1-(4-methoxyphenyl)ethylidene)-2-phenylhydrazine

: 2-(3-(4-methoxyphenyl)-1-phenyl-1H-pyrazol-5-yl)benzenesulfonamide

Conditions

Conditions	Yield
Stage #1: (E)-1-(1-(4-methoxyphenyl)ethylidene)-2-phenylhydrazine With lithium diisopropyl amide In tetrahydrofuran; hexane at 0℃; Stage #2: methyl 2-(aminosulfonyl)benzoate In tetrahydrofuran; hexane at 0℃;	80%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 2757-23-5
chloro(chlorosulfanyl)methanone

A: o-Carboxymethylphenylsulfonyl isocyanate

B: 74222-95-0
2-(methoxycarbonyl)benzenesulfonyl isocyanate

Conditions

Conditions	Yield
With pyridine; thionyl chloride	A n/a B 79%

...Expand

: 324028-93-5
3,6-dichloro-2-pyridinecarboxylic acid phenyl ester

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 2-[[[(3,6-Dichloropyridin-2-yl)carbonyl]-amino]sulfonyl]benzoic Acid Methyl Ester

Conditions

Conditions	Yield
With potassium carbonate	77.2%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 10191-60-3
dimethyl N-cyanodithioiminocarbonate

: methyl 2-({[(cyanoimino)(methylsulfanyl)methyl]amino}sulfonyl)benzoate

Conditions

Conditions	Yield
Stage #1: methyl 2-(aminosulfonyl)benzoate; dimethyl N-cyanodithioiminocarbonate With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 15h; Stage #2: With hydrogenchloride In N,N-dimethyl-formamide at 20℃; for 8h;	77%

: 4-(cyclopropylcarbamoyl)benzoic acid

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: N1-cyclopropyl-N4-[2-(methoxycarbonyl)phenylsulfonyl]terephthalamide

Conditions

Conditions	Yield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In acetonitrile at 20℃; for 24h;	77%

: 496-11-7
INDANE

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 2-(indan-1-ylsulfamoyl)-benzoic acid methyl ester

Conditions

Conditions	Yield
With tert.butyl-peroxyacetate; 4 A molecular sieve; copper(II) bis(trifluoromethanesulfonate); 1,10-Phenanthroline In 1,2-dichloro-ethane at 60℃; for 6h;	76%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 90764-84-4
4,6-dimethoxy-pyridine-2-carboxylic acid

: 204378-19-8
2-[[[(4,6-Dimethoxypyridin-2-yl)carbonyl]-amino]sulfonyl]benzoic Acid Methyl Ester

Conditions

Conditions	Yield
	75.6%

: 3349-64-2, 68253-36-1, 100485-58-3
1-tetralone oxime

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 943963-87-9
1,2,3',4'-tetrahydronaphth[1,2-c]spiro[1,2-benzoisothiazole-3,3'(3a'H)-isoxazole] 1,1-dioxide

Conditions

Conditions	Yield
Stage #1: 1-tetralone oxime With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; diisopropylamine In tetrahydrofuran; hexane at 0℃; Stage #2: methyl 2-(aminosulfonyl)benzoate In tetrahydrofuran; hexane at 20℃; Stage #3: With hydrogenchloride In tetrahydrofuran; hexane Heating; Further stages.;	74%

: 2475-92-5
4-methoxyacetophenone oxime

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 943963-85-7
3'-(4-methoxyphenyl)spiro[1,2-benzoisothiazole-3,5'(4'H)-isoxazole] 1,1-dioxide

Conditions

Conditions	Yield
Stage #1: 4-methoxyacetophenone oxime With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; diisopropylamine In tetrahydrofuran; hexane at 0℃; Stage #2: methyl 2-(aminosulfonyl)benzoate In tetrahydrofuran; hexane at 20℃; Stage #3: With hydrogenchloride In tetrahydrofuran; hexane Heating; Further stages.;	74%

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 59130-82-4
acetophenone phenylhydrazone

: 2-(1,3-diphenyl-1H-pyrazol-5-yl)benzenesulfonamide

Conditions

Conditions	Yield
Stage #1: acetophenone phenylhydrazone With lithium diisopropyl amide In tetrahydrofuran; hexane at 0℃; Stage #2: methyl 2-(aminosulfonyl)benzoate In tetrahydrofuran; hexane at 0℃;	73%

: 623-73-4
diazoacetic acid ethyl ester

: 57683-71-3
methyl 2-(aminosulfonyl)benzoate

: 75-05-8
acetonitrile

: diethyl 2,2'-((1-(((2-(methoxycarbonyl)phenyl)sulfonyl)imino)ethyl)azanediyl)(E)-diacetate

Conditions

Conditions	Yield
With copper(II) bis(trifluoromethanesulfonate) at 80℃; for 2h;	73%

...Expand

Product Name

2-Carbomethoxybenzenesulfonamide

Synthetic route

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