Abstract:
The present invention relates to a liquid composition containing an active substance belonging to the family of substituted benzhydryl piperazines with reduced amounts of preservatives.
Abstract:
The present invention relates to new enantiomerically pure piperazine derivatives of formula (I) wherein Y represents hydroxy or a leaving group and n is 1, 2, 3, 4 or 5, and to their use as synthesis intermediates, especially for the preparation of pharmaceutically active compounds.
Abstract:
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.
Abstract:
The invention relates to novel forms, specifically an amorphous form and certain solvates, of efletirizine dihydrochloride, processes for making them and pharmaceutical compositions including them.
Abstract:
The present invention relates to new enantiomerically pure piperazine derivatives of formula (I) wherein Y represents hydroxy or a leaving group and n is 1, 2, 3, 4 or 5, and to their use as synthesis intermediates, especially for the preparation of pharmaceutically active compounds.
Abstract:
La presente invención se refiere a una composición farmacéutica que comprende levocetirizina. La invención se refiere específicamente a una formulación de jarabe seco.
Abstract:
composição farmacêutica líquida. a presente invenção refere-se a uma composição líquida contendo uma substância ativa pertencendo à família de piperazinas de benzidrila substituídas com quantidades reduzidas de conservantes.
Abstract:
La presente invención se refiere a una composición farmacéutica que comprende levocetirizina. La invención se refiere específicamente a una formulación de jarabe seco.