RO99496B1 - Process for preparing pyrrazolsulphonamide derivatives - Google Patents
Process for preparing pyrrazolsulphonamide derivativesInfo
- Publication number
- RO99496B1 RO99496B1 RO130948A RO13094886A RO99496B1 RO 99496 B1 RO99496 B1 RO 99496B1 RO 130948 A RO130948 A RO 130948A RO 13094886 A RO13094886 A RO 13094886A RO 99496 B1 RO99496 B1 RO 99496B1
- Authority
- RO
- Romania
- Prior art keywords
- derivatives
- general formula
- pyrrazolsulphonamide
- preparing
- defined above
- Prior art date
Links
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Inventia se refera la un procedeu pentru prepararea unor derivati de pirazolsulfonamida cu formula generala I: (formula generala I) în care R reprezinta un atom de hidrogen sau o grupa alchil cu 1 - 4 atomi de carbon, R indice 1 reprezinta un radical alchil cu 1 - 4 atomi de carbon si Y si X sunt atomi de halogen, grupe alchil sau alcoxi inferiori. Procedeul consta în aceea ca se trateaza un derivat de carbamat de pirazolsulfonil cu formula generala II: (formula generala II) în care R si R indice 1 au semnificatiile de mai sus si R indice 2 este un radical alchil inferior, cu un compus cu formula III: (formula III) în care X si Y au semnificatiile de mai sus, reactia având loc în toluen la temperatura de reflux.The invention relates to a process for the preparation of pyrazolesulfonamide derivatives of the general formula I: (general formula I) wherein R represents a hydrogen atom or a C1-4 alkyl group, R represents an alkyl radical with 1-4 carbon atoms and Y and X are halogen atoms, lower alkyl or lower alkoxy groups. The process consists in treating a pyrazol-sulfonyl carbamate derivative of general formula II: (wherein R and R are as defined above) and R is a lower alkyl radical with a compound of formula III: wherein X and Y are as defined above, the reaction being carried out in toluene at reflux temperature.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO130948A RO99496B1 (en) | 1986-01-17 | 1986-01-17 | Process for preparing pyrrazolsulphonamide derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO130948A RO99496B1 (en) | 1986-01-17 | 1986-01-17 | Process for preparing pyrrazolsulphonamide derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
RO99496B1 true RO99496B1 (en) | 1990-08-30 |
Family
ID=40907557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO130948A RO99496B1 (en) | 1986-01-17 | 1986-01-17 | Process for preparing pyrrazolsulphonamide derivatives |
Country Status (1)
Country | Link |
---|---|
RO (1) | RO99496B1 (en) |
-
1986
- 1986-01-17 RO RO130948A patent/RO99496B1/en unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RO84802B (en) | Process for obtaining (1- aryl-cyclobutyl)-alkylamines | |
RO82508B (en) | Process for preparing some 3-(1-pyperidinylalkyl)-4h-pyrido-(1, 2-a)-pyrimidin-4-one derivatives | |
RO81173B (en) | Process for preparing some delta 2-1, 2, 4-triazolin-5-one derivatives | |
RO82369B (en) | Process for preparing 9-amino-dibenzopyran derivatives | |
RO82215B (en) | Process for preparing thiazole derivatives | |
RO84317B (en) | Process for preparing diphenylether derivatives with herbicidal action | |
RO82173B (en) | Process for preparing flavane derivatives | |
ATE75226T1 (en) | SUBSTITUTED TRIAZINE DERIVATIVES. | |
RO81351B (en) | Process for preparing benzodiazepine derivatives | |
RO92777B (en) | Process for the preparation of thiazole derivatives | |
RO99496B1 (en) | Process for preparing pyrrazolsulphonamide derivatives | |
RO92794B (en) | Process for the preparation of 2-bromo-4-methylimidazole-5-carboxylic acid esters | |
RO81212B (en) | Process for preparing some 2', 6'-dialkyl-n-(alcoxymethyl)-2-chloracetanylides | |
RO85318B (en) | Process for the preparation of 4-quinolone derivatives having antihipertensive action | |
RO85556B (en) | Process for preparing aminoacid derivatives | |
RO85812B (en) | Process for preparing azolyl-pentene derivatives | |
RO85277B (en) | Process for preparing imidazolylpropionitriles | |
RO86240B (en) | Process for preparing synthetical fibres | |
RO96412B1 (en) | Process for preparing oxadiazole derivatives | |
RO83775B (en) | Process for preparing imidazo-(4,5b)-pyridines and imidazo-(4,5b)-pyrimidines | |
ES2038205T3 (en) | IMPROVED CETO REDUCTION OF INTERMEDIATE CARBACICLINE PRODUCTS. | |
RO94054B (en) | Process for preparing some imidazolidinone derivatives | |
RO98390B1 (en) | Process for preparing 2-amino-4-hydroxipyrimidines | |
ATE129726T1 (en) | CARBONYL GROUPS AND POLYPHOSPHAZENE DERIVATIVES CONTAINING DIFFERENTLY ALKYLATED, TERTIARY AMINO GROUPS. | |
RO79914B (en) | Process for preparing some cyclopentancarboxylic or cyclohexancarboxylic acid derivatives |