摘要 |
<p>Taxane derivatives and a method of preparing taxane derivatives of formula (I): are disclosed. In general formula (I), Ar represents an aryl radical; R represents a phenyl radical or a radical R5-O- in which R5 represents an alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or saturated or unsaturated nitrogenous heterocylcyl radical, R1 and R2, which are identical or different, each represent a hydrogen atom or an alkyl, phenylalkyl, phenyl, alkoxyphenyl, or dialkoxyphenyl radical, or else R1 and R2 form, together with the carbon atom to which they are bonded, a ring having from 4 to 7 members; R3 represents an acetyl radical or a protecting group of the hydroxyl functional group; and R4 represents a protecting group of the hydroxyl functional group.</p> |