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2-Carbomethoxybenzenesulfonamide
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Name

2-Carbomethoxybenzenesulfonamide

 EINECS 260-903-2
CAS No. 57683-71-3 Density 1.377 g/cm3
PSA 94.84000 LogP 1.90170
Solubility N/A Melting Point 126-128 °C(lit.)
Formula C8H9NO4S Boiling Point 401.4 °C at 760 mmHg
Molecular Weight 215.23 Flash Point 196.6 °C
Transport Information N/A Appearance Greyish crystal powder
Safety 26-37/39 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 57683-71-3 (2-Carbomethoxybenzenesulfonamide) Hazard Symbols IrritantXi
Synonyms

Benzoicacid, o-sulfamoyl-, methyl ester (7CI);2-(Methoxycarbonyl)benzenesulfonamide;Methyl 2-(aminosulfonyl)benzoate;Methyl2-sulfamoylbenzoate;

Article Data 20

2-Carbomethoxybenzenesulfonamide Synthetic route

67-56-1

methanol

81-07-2

saccharin

57683-71-3

methyl 2-(aminosulfonyl)benzoate

Conditions
ConditionsYield
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
ConditionsYield
With sulfuric acid
With hydrogenchloride
81-07-2

saccharin

57683-71-3

methyl 2-(aminosulfonyl)benzoate

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