PROCESS FOR PREPARING 1-[/2S/-METHYL-3-MERCAPTO-PROPIONYL]-PYRROLIDINE-/2S/-CARBOXYLIC ACID
The invention relates to a novel process for preparing 1-(/2S/-methyl-3-mercaptopropionyl)-pyrrolidine-/2S/-carboxylic acid of the formula I (* CHEMICAL STRUCTURE *) (I) in which 1-(/2S/-methyl-3-thiocyanatopropionyl)-pyrrolidine-/2S/-carboxylic acid of the formula II (* CHEMICAL STRUCTURE *) (II) i...
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| creator | JAKFALVI,ELEMER UERMOES,LASZLONE DIETZ,ANDRAS DINNYES,ISTVANNE SCHNEIDER,GEZA BLASKO,GABOR KOVACS,JOZSEFNE BECK,IVAN |
| description | The invention relates to a novel process for preparing 1-(/2S/-methyl-3-mercaptopropionyl)-pyrrolidine-/2S/-carboxylic acid of the formula I (* CHEMICAL STRUCTURE *) (I) in which 1-(/2S/-methyl-3-thiocyanatopropionyl)-pyrrolidine-/2S/-carboxylic acid of the formula II (* CHEMICAL STRUCTURE *) (II) is dissolved in an aqueous mineral acid, the solution obtained is diluted with water and the 1-(/2S/-methyl-3-carbamoylthiopropionyl)-pyrrolidine-/2S/-carboxylic acid of the formula III (* CHEMICAL STRUCTURE *) (III) that forms is hydrolized with an aqueous solution of a base. |
| format | Patent |
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| subjects | CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS |
| title | PROCESS FOR PREPARING 1-[/2S/-METHYL-3-MERCAPTO-PROPIONYL]-PYRROLIDINE-/2S/-CARBOXYLIC ACID |
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