| 摘要 |
<p>A novel taxol derivative having an antitumor effect and represented by formula (I), wherein R1 represents phenyl; R2 represents alkyl, alkenyl, alkynyl, cycloalkyl or alkoxy; R3 represents hydroxy, hydrogen or halogeno; R4 represents alkyl, alkenyl or alkynyl; R5 represents hydrogen, hydroxy, halogeno or alkyl; R6 represents hydrogen, hydroxy, halogeno or alkyl; R7 represents alkyl, alkenyl, alkynyl, cycloalkyl, aryl or a heterocycle; and R8 represents alkyl, aryl or alkoxy.</p> |
