Matches 101 - 150 out of 150 < 1 2 3
Match Document Document Title
4074048 Process for the preparation of 4-hydroxy-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxides  
A novel process for preparing 4-hydroxy-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxides is disclosed. The process involves the base catalyzed rearrangement of a saccharinacetamide of structure I to...
4024136 Process for the preparation of 4-hydroxy-3-(5-methyl-3-isoxazolylcarbamoyl)-2-methyl-2H-1,2-benzothiazi ne 1,1-dioxide  
An improved process for the preparation of 4-hydroxy-3-(5-methyl-3-isoxazolylcarbamoyl)-2-methyl-2H-1,2 -benzothiazine 1,1-dioxide (I), a known anti-inflammatory agent, is described. The process...
4018762 Process for the preparation of 4-hydroxy-3-(5-methyl-3-isoxazolylcarbamoyl)-2-methyl-2H-1,2-benzothiazi ne 1,1-dioxide  
A novel process for preparing 4-hydroxy-3-(5-methyl-3-isoxazolylcarbamoyl)-2-methyl-2H-1,2 -benzothiazine 1,1-dioxide (I), starting with 3-amino-5-methylisoxazole (II) is disclosed. Compound I...
3987038 Process for the preparation of {1-[5-(4-hydroxy-2H-1,2-benzothiazin-3-yl)-1,2,4-oxadiazol-3-yl]methyl}e thanone S,S-dioxide  
This invention relates to a process for the preparation of 1-{[5-(4-hydroxy-2H-1,2-benzothiazin-3-yl)-1,2,4-oxadiazol-3 -yl]methyl}eth anone S,S-dioxide (III), a novel intermediate useful in the...
3966716 2H-1,3,2-dioxaborino-[5,4-c]-1,2-benzo-thiazine 6,6-dioxides  
Process for the production of substituted pyrano[3,2-c] [1,2]benzothiazine 6,6-dioxides and novel intermediates produced thereby of the general formula I: ##SPC1## wherein R represents hydrogen and...
3927002 N-(pyridyl)-N'-alkyl-N'-(2-alkoxycarbonylbenzenesulfonyl)-glycineamides and derivatives  
A process for the synthesis of N-aryl-3,4-dihydro-2-alkyl-4-oxo-2H-1,2-benzothiazine-3-carb oxamide 1,1-dioxides by treatment of N-aryl-N'-alkyl-N'-(2'-alkoxycarbonylbenzenesulfonyl)glycine amides,...
3925371 Benzothiazine-1,1-dioxides  
Novel carbonate esters of 3-heteroarylcarbamyl-4-hydroxy-2H-1,2-benzothiazine 1,1-dioxides are disclosed. The esters have therapeutic properties in antiinflammatory, anti-thrombotic and analgesic...
3923801 Oxazinobenzothiazine 6,6-dioxides  
5-Alkyl-3-aryl-2H,5H-1,3-oxazino-[5,6-c] 1,2-benzothiazine-2,4(3H)-dione 6,6-dioxides are disclosed. The compounds have anti-inflammatory properties and are useful as components of antiarthritic...
3916013 SUBSTITUTED-O-HYDROXY-OMEGA-(METHYLSULFINYL-ACETOPHENONES AND PROCESS FOR PRODUCING SAME  
The present invention relates to substituted-o-hydroxy-ω-(methylsulfinyl)acetophenones of the formula ##SPC1## wherein Z is an aromatic or heteroaromatic nucleus such as benzene, naphthalene,...
3900470 Esters of benzothiazine-1,1-dioxides derivatives  
Novel esters of the formula ##SPC1## Wherein R is lower alkyl, R 1 is lower alkyl, benzyl or phenyl, Ar is phenyl or phenyl substituted with one or two substituents selected from lower alkyl,...
3892740 Process for the production of carboxamides of oxo-1,2-benzothiazine-1,1-dioxides  
Disclosed herein is an improved process for the production of carboxamides of 3,4-dihydro-oxo-1,2-benzothiazine-1,1-dioxides. Said process comprises contacting either a...
3892739 1,2-Benzothiazines  
The present invention relates to substituted-o-hydroxy-ω-(methylsulfinyl) acetophenones of the formula I. ##SPC1## wherein Z is an aromatic or heteroaromatic nucleus such as benzene, naphthalene,...
3868367 4-Hydroxy-3-(5-isoxazolylcarbamoyl)-2H-1,2-benzothiazine 1,1-dioxides  
Compounds of the formula: ##SPC1## Wherein R 1 , R 2 and R 3 are hydrogen or alkyl. These compounds are useful as antiinflammatory agents.
3856784 ALKYLAMINOALKYL 4-HYDROXY-2-METHYL-2H-1,2-BENZOTHIAZINE-3-CARBOXYLATE 1,1-DIOXIDES AND N-ALKYLAMINOALKYL-4-HYDROXY-2-METHYL-2H-1,2-BENZOTHIAZINE-3-CARBOXAMIDE 1,1-DIOXIDES  
Compounds of the formulas: Are disclosed wherein R 1 is dialkylaminoalkyl; R 2 is dialkylaminoalkyl or monoalkylaminoalkyl and R 3 is hydrogen or alkyl. These compounds are useful as central...
3853862 PRODUCTION OF 4-HYDROXY-1,2-BENZOTHIAZINE-3-CARBOXAMIDES  
A process for the synthesis of N-aryl-3,4-dihydro-2-alkyl-4-oxo-2H-1,2-benzothiazine-3-carb oxamide 1,1-dioxides by treatment of N-aryl-N'-alkyl-N'-(2'-alkoxycarbonylbenzenesulfonyl)glycine amides,...
3714155 4-HYDROXY-2,N-DIMETHYL-2H-1,2-BENZOTHIAZINE-3-CARBOXANILIDE1,1-DIOXIDE AND PROCESS THEREFOR  
A compound of the formula is disclosed: ##SPC1## This compound is prepared as follows: ##SPC2## It is useful as an anti-inflammatory agent.
3692780 4-SUBSTITUTED-2-ALKYL-3-PHENYL-2H-1,2-BENZOTHIAZINE-1,1-DIOXIDES AND PROCESSES FOR THEIR PRODUCTION  
4-substituted-2-alkyl-3-phenyl-2H-1,2-benzothiazine-1,1-diox ides having the following structural formula are disclosed ##SPC1## Wherein R 1 is alkyl or aralkyl and R 2 is hydrogen or acyl. These...
3546220 2,3-DIHYDRO-1H-PYRIDO-(2,3-B)(1,4)THIAZINES  
3501466 3-CARBAMOYL AND 3-ALKOXYCARBONYL BENZOTHIAZINE-1,1-DIOXIDES  
3492296 3-LOWER ALKOXY-2H-1,2-BENZOTHIAZIN-4-(3H)-ONE 1,1-DIOXIDE  
3492298 OXAZINO-BENZOTHIAZINE-6,6-DIOXIDES  
3479436 3-LOWER ALKOXY - 2H-1,2-BENZOTHIAZIN-4(3H)-ONE 1,1-DIOXIDE FOR TREATING AMMONEMIC STATES IN MAMMALS  
3476749 BENZOTHIAZIN-4-ONE-1,1-DIOXIDE DERIVATIVES  
3472857 N-(3-PYRAZOLYL-PROPYL)-N'-PHENYL PIPERAZINES  
3427311 5,11-DIHYDROINDOLO(3,2-C)(2,1)-BENZOTHIAZINE-6,6-DIOXIDE COMPOUNDS  
3408346 1h-2, 3-benzothiazin-4(3h)-one 2, 2-dioxide and process for their production  
3408347 Pyrido-[1, 2-b] [1, 2]benzothiazin-10, 11-(7h, 10alphah)-dione 5, 5-dioxides and 7, 8-dihydropyrido-[1, 2-b] [1, 2]benzothiazin-10, 11-(9h, 10alphah)-dione 5, 5-dioxidesand process for their production  
3346572 Pyrazolo [4, 3-c] [1, 2] benzothiazine 5, 5-dioxides and process for their production  
3303190 Novel dihydro-2, 1-benzothiazine-2, 2-dioxide compounds  
3303191 Novel 4-ketodihydro-2, 1-benzothiazine-2, 2-dioxides  
3303189 2, 1-benzothiazine-2, 2-dioxides  
3284450 Cyclized o-carboxybenzenesulfonic acid derivatives and method of preparing the same  
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Matches 101 - 150 out of 150 < 1 2 3