摘要:
The present invention relates to (S)-2-[4-(4-chlorobenzhydryl)piperazin-1-yl]- ethoxyacetamide - (S)-pyrrolidone-5-carboxylic acid salt; (R)-2-[4-(4-chlorobenzhydryl)piperazin-1-yl]-ethoxyacetamide - (S)-pyrrolidone-5-carboxylic acid salt; (S)-2-[4-(4-chlorobenzhydryl)piperazin-1-yl]-ethoxyacetamide - (R)-pyrrolidone-5-carboxylic acid salt; or (R)-2-[4-(4-chlorobenzhydryl)piperazin-1-yl]-ethoxycetamide - (R)-pyrrolidone-5-carboxylic salt. The present invention relates also to a process for preparing (S)-2-[4-(4-chlorobenzhydryl)piperazin-1-yl]-ethoxyacetamide (I) and (R)-2-[4-(4-chlorobenzhydryl) piperazin-1-yl]-ethoxyacetamide (II) by chemical resolution of a mixture. These compounds are respectively intermediates for the synthesis of dextrocetirizine and levocetirizine.
摘要:
The present invention relates to an improved process for the preparation of (S)-(-)-α-ethyl-2-oxo-1-pyrrolidine acetamide and analogues thereof. The invention also relates to compounds of the general formula (6) wherein R1 is methyl or ethyl ; and R2 is C2'-C4191 alkyl, C2191-C4191 alkenyl or C2191-C41 91 alkynyl, optionally substituted by one or more halogen, and their preparation processes.
摘要:
To provide a therapeutic agent for viral myocarditis and viral myocarditis-related viral diseases by treating the occurrence of cell damage in various organs regardless of the type of virus. A therapeutic agent for viral myocarditis and viral myocarditis-related viral diseases is provided that has as an active ingredient 2-[4-(dipehnylmethyl)-1-piperazinyl]-acetic acid, amide derivative, individual optical isomer or pharmaceutically acceptable salt thereof.
摘要:
The present invention concerns 2,6-quinolinyl and 2,6-naphthyl derivatives of formula (I), processes for preparing them, pharmaceutical compositions containing them and their use as pharmaceuticals for the treatment of VLA-4 dependent inflammatory diseases such as for example asthma, allergic rhinitis, sinusitis, conjunctivitis, food allergy, psoriasis, urticaria, pruritus, eczema, rheumatoid arthritis, inflammatory bowel disease, multiple sclerosis and atherosclerosis. Formula (I): wherein X is N or CH.
摘要:
The present invention is drawn to methods of characterization of the properties and functions of SV2 proteins. The invention further includes methods of identifying compounds or agents which modulate the activity of SV2 proteins. Included in these methods is the identification of compounds or agents which modulate the binding of levetiracetam SV2 proteins, including SV2A.
摘要:
The present invention relates to a new process for preparing 2-oxo- I -pyrrolidine derivatives of general formula (I) wherein the substituents are as defined in the specification.
摘要:
The present invention relates to indolone-acetamide derivatives, processes for preparing them, pharmaceutical compositions containing them and their use as for the treatment of epilepsy, epileptogenesis, seizure disorders and convulsion.
摘要:
A use of (S)-(-)-α-ethyl-2-oxo-l-pyrrolidineacetamide for the manufacture of a medicament for treatment of particular diseases and new pharmaceutical compositions comprising (S)-(-]-α-ethyl-2-oxo-1-pyrrolidineacetamide.