Taxoids, their preparation and pharmaceutical compositions containing them

摘要

New taxoids of general formula (I), their preparation and pharmaceutical compositions containing them. In general formula (I), Ar represents an aryl radical R represents a hydrogen atom or an acetyl, alkoxyacetyl or alkyl radical, R1 represents a benzoyl radical or a radical of formula R2-O-CO- in which R2 represents an optionally substituted alkyl radical, an alkenyl, alkynyl, cycloalkyl, cycloalkenyl, bicycloalkyl, phenyl or heterocyclyl radical The new products of general formula (I) have a remarkable antitumour activity. <IMAGE> (I)