Esters of L-carnitine and acyl L-carnitine endowed with muscle relaxant activityselective on gastrointestinal tract and pharmaceutical compositions containing same.

摘要

Esters of L-carnitine and acyl L-carnitine of formula (I): <CHEM> wherein R is hydrogen or is a straight or branched, saturated or unsaturated acyl group having 2 to 26 carbon atoms; R1 is a straight or branched, saturated or unsaturated alkyl group having 4 to 26 carbon atoms; and X<-> is the anion of a pharmacologically acceptable acid are endowed with potent muscle relaxant activity selective on the gastrointestinal tract and are therefore therapeutically useful for treating e.g. adaptive colitis syndromes.