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inquiryProduct Name Zonisamide Molecular Formula C8H8N2O3S Molecular Weight 212.23 CAS Registry Number 68291-97-4 Packaging & Shipping [Packaging] according to customers’ requirements. Appearance:White powder Stora
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1,2-benzoxazol-3-ylmethanesulfonyl chloride
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
With ammonia In toluene at 2 - 15℃; pH=9; | 91.25% |
With ammonia In toluene at 2℃; pH=9; Product distribution / selectivity; | 91.6% |
With ammonium carbonate In butanone for 1h; Heating / reflux; | 77.8% |
1,2-benzoxazol-3-ylmethanesulfonyl chloride
A
1,2-benzisoxazole-3-methanesulfonamide
B
1,2-benzisoxazole-3-methanesulfonic acid ammonium salt
Conditions | Yield |
---|---|
With ammonia In toluene at 10 - 15℃; | A 85% B n/a |
With ammonia In toluene at 10 - 15℃; Product distribution / selectivity; |
1,2-benzisoxazole-3-methanesulfonic acid sodium salt
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
Stage #1: 1,2-benzisoxazole-3-methanesulfonic acid sodium salt In DMF (N,N-dimethyl-formamide); toluene at 10 - 40℃; for 2h; Stage #2: With oxalyl dichloride In DMF (N,N-dimethyl-formamide); toluene at 10 - 18℃; for 2h; Stage #3: With ammonia In DMF (N,N-dimethyl-formamide); toluene at 10 - 18℃; for 2h; Product distribution / selectivity; | 75% |
Stage #1: 1,2-benzisoxazole-3-methanesulfonic acid sodium salt In DMF (N,N-dimethyl-formamide); toluene at 10 - 40℃; for 1.5h; Stage #2: With oxalyl dichloride In DMF (N,N-dimethyl-formamide); toluene at 10 - 18℃; for 2h; Stage #3: With ammonia In DMF (N,N-dimethyl-formamide); toluene at 10 - 18℃; for 2h; Product distribution / selectivity; | 74.5% |
Stage #1: 1,2-benzisoxazole-3-methanesulfonic acid sodium salt With triethylamine; trichlorophosphate In 1,2-dichloro-ethane at 77 - 83℃; for 6h; Stage #2: With ammonia In 1,2-dichloro-ethane at 30 - 60℃; | |
Multi-step reaction with 2 steps 1: phosgene; N,N-dimethyl-formamide / toluene / 4 h / 25 - 35 °C / Green chemistry 2: ammonia / 1 h / 10 - 15 °C / pH 9-10 / Green chemistry View Scheme |
2-(benzo[d]isoxazol-3-yl)acetic acid
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
Stage #1: 2-(benzo[d]isoxazol-3-yl)acetic acid With chlorosulfonic acid; ethyl acetate In 1,2-dichloro-ethane; toluene at 20 - 80℃; for 2.58333h; Stage #2: With sodium hydroxide In water; toluene pH=10; Stage #3: With ammonia; triethylamine; trichlorophosphate more than 3 stages; |
((1-(2-fluorophenyl)vinyl)oxy)trimethylsilane
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: triethylamine; tris(2,2'-bipyridyl)ruthenium dichloride; sulphamoyl chloride / acetonitrile / 24 h / 20 °C / Schlenk technique; Inert atmosphere; Irradiation 2: hydroxylamine hydrochloride; sodium acetate / ethanol / 12 h / 95 °C 3: 1,8-diazabicyclo[5.4.0]undec-7-ene / acetonitrile / 12 h / Reflux View Scheme |
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydroxylamine hydrochloride; sodium acetate / ethanol / 12 h / 95 °C 2: 1,8-diazabicyclo[5.4.0]undec-7-ene / acetonitrile / 12 h / Reflux View Scheme |
2'-Fluoroacetophenone
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: sodium iodide / acetonitrile / 0.08 h / 20 °C / Inert atmosphere 1.2: 20 °C / Inert atmosphere 2.1: triethylamine; tris(2,2'-bipyridyl)ruthenium dichloride; sulphamoyl chloride / acetonitrile / 24 h / 20 °C / Schlenk technique; Inert atmosphere; Irradiation 3.1: hydroxylamine hydrochloride; sodium acetate / ethanol / 12 h / 95 °C 4.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / acetonitrile / 12 h / Reflux View Scheme |
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile for 12h; Reflux; | 52 mg |
1,2-benzisoxazole-3-methanesulfonamide
all cis-5,8,11,14,17-eicosapentaenoic acid
C28H36N2O4S
Conditions | Yield |
---|---|
Stage #1: all cis-5,8,11,14,17-eicosapentaenoic acid With 1-hydroxy-7-aza-benzotriazole; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 0.5h; Stage #2: 1,2-benzisoxazole-3-methanesulfonamide In N,N-dimethyl-formamide for 2h; | 75% |
Conditions | Yield |
---|---|
Stage #1: 1,2-benzisoxazole-3-methanesulfonamide; ethanol With sodium hydroxide Stage #2: 1,10-Phenanthroline; copper(II) choride dihydrate In water at 70℃; for 6h; | 74% |
2-pyrrolidinon
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
With diazoacetic acid ethyl ester; manganese(II) perchlorate hexahydrate In cyclohexane at 90℃; for 12h; chemoselective reaction; | 70% |
1,2-benzisoxazole-3-methanesulfonamide
1-phenylpyrrolidin-2-one
Conditions | Yield |
---|---|
With diazoacetic acid ethyl ester; zinc trifluoromethanesulfonate In cyclohexane for 12h; Reflux; stereoselective reaction; | 66% |
morpholine
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
With copper(I) bromide In dimethyl sulfoxide at 100℃; for 24h; Schlenk technique; stereoselective reaction; | 50% |
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
Stage #1: 1-[3-cyano-5-(5-ethyl-1,3-oxazol-2-yl)-6-methylpyridin-2-yl]piperidine-4-carboxylic acid With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 20℃; for 15h; Stage #2: 1,2-benzisoxazole-3-methanesulfonamide In N,N-dimethyl-formamide at 20℃; for 20h; | 46% |
N-methylcyclohexylamine
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
With tetra-(n-butyl)ammonium iodide In ethanol at 20℃; for 12h; Electrochemical reaction; Inert atmosphere; regioselective reaction; | 46% |
1,2-benzisoxazole-3-methanesulfonamide
A
2-Sulfamoylacetylphenol
B
ω-sulfamoyl-2-hydroxyacetophenone imide
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol | A 30% B 36% |
2-pyrrolidinon
diazoacetic acid ethyl ester
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
With zinc trifluoromethanesulfonate In cyclohexane at 90℃; for 12h; | 32% |
1,2-benzisoxazole-3-methanesulfonamide
2-Sulfamoylacetylphenol
Conditions | Yield |
---|---|
With ethanol; 5%-palladium/activated carbon; hydrogen | 30% |
With liver microsomes; oxygen Enzyme kinetics; Further Variations:; Reagents; aerobic or anaerobic conditions; Ring cleavage; Enzymatic reaction; |
1,2-benzisoxazole-3-methanesulfonamide
1,3-dioxoisoindolin-2-yl 3,3-dimethylbutanoate
Conditions | Yield |
---|---|
With lithium tetrafluoroborate; 12-phenyl-12H-benzo[b]phenothiazine In dichloromethane at 20℃; for 18h; Irradiation; | 19% |
1,2-benzisoxazole-3-methanesulfonamide
Conditions | Yield |
---|---|
With lithium tetrafluoroborate; 12-phenyl-12H-benzo[b]phenothiazine In ethyl acetate at 20℃; for 18h; Irradiation; | 15% |
1,2-benzisoxazole-3-methanesulfonamide
chloroformic acid ethyl ester
(benzo[d]isoxazol-3-yl-methanesulfonyl)-carbamic acid ethyl ester
Conditions | Yield |
---|---|
With potassium carbonate In acetone Heating; |
1,2-benzisoxazole-3-methanesulfonamide
acetyl chloride
N-acetyl Zonisamide
Conditions | Yield |
---|---|
Heating; |
1,2-benzisoxazole-3-methanesulfonamide
2-sulfamoylmethylbenzoxazole
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 30 percent / H2 / 5percent Pd-C / ethanol 2: 89 percent / hydroxylamine / ethanol / 3 h / Heating 3: 3 percent / 0.17 h / 170 °C / pyrolysis View Scheme |
1,2-benzisoxazole-3-methanesulfonamide
2-[(E)-Hydroxyimino]-2-(2-hydroxy-phenyl)-ethanesulfonic acid amide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 30 percent / H2 / 5percent Pd-C / ethanol 2: 89 percent / hydroxylamine / ethanol / 3 h / Heating View Scheme |
1,2-benzisoxazole-3-methanesulfonamide
1,2-benzisoxazole-3-methanesulfonic acid sodium salt
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 30 percent / H2 / 5percent Pd-C / ethanol 2: 89 percent / hydroxylamine / ethanol / 3 h / Heating 3: 5percent Na2CO3 / 3 h / 95 °C View Scheme |
1,2-benzisoxazole-3-methanesulfonamide
1,2-benzisoxazole-3-methanesulfonic acid ammonium salt
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 30 percent / H2 / 5percent Pd-C / ethanol 2: 89 percent / hydroxylamine / ethanol / 3 h / Heating 3: 92 percent / water / 17 h / Heating View Scheme |
1,2-benzisoxazole-3-methanesulfonamide
benzoxazole-2-methanesulfonic acid ammonium salt
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 30 percent / H2 / 5percent Pd-C / ethanol 2: 89 percent / hydroxylamine / ethanol / 3 h / Heating 3: 10 percent / 0.17 h / 170 °C / pyrolysis View Scheme |
1,2-benzisoxazole-3-methanesulfonamide
2-(o-hydroxyphenyl)-2-hydroxyiminoethanesulfonic acid ammonium salt
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 30 percent / H2 / 5percent Pd-C / ethanol 2: 89 percent / hydroxylamine / ethanol / 3 h / Heating 3: 28 percent / 5percent HCl / 1 h / 95 °C View Scheme | |
Multi-step reaction with 3 steps 1: 30 percent / H2 / 5percent Pd-C / ethanol 2: 89 percent / hydroxylamine / ethanol / 3 h / Heating 3: 10 percent / 5percent Na2CO3 / 3 h / 95 °C View Scheme |
1,2-benzisoxazole-3-methanesulfonamide
3,4-Dihydro-4-oxo-1,2-benzoxathiin-2,2-dioxid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 30 percent / H2 / 5percent Pd-C / ethanol 2: 98 percent / 5percent HCl / 16 h / 110 °C View Scheme |
1,2-benzisoxazole-3-methanesulfonamide
A
salicylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 30 percent / H2 / 5percent Pd-C / ethanol 2: 100 percent / 5percent Na2CO3 / 5 h / Heating View Scheme |
1,2-benzisoxazole-3-methanesulfonamide
C-benzo[d]isoxazol-3-yl-N-carbamoyl-methanesulfonamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K2CO3 / acetone / Heating 2: NH3 / methanol / Ambient temperature View Scheme |
1,2-benzisoxazole-3-methanesulfonamide
C28H37NO5S
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 5%-palladium/activated carbon; hydrogen; ethanol 2.1: N-ethyl-N,N-diisopropylamine; 1-hydroxy-7-aza-benzotriazole; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 0.5 h / 20 °C 2.2: 2 h View Scheme |
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