| abstract |
PROBLEM TO BE SOLVED: To provide a compound which maintains antitumor activity, has improved toxicity, is less susceptible to metabolism in human liver microsomes, and can ensure safety suitable for oral administration. SOLUTION: The present invention provides a novel taxol derivative having various substituents, which is used as an orally administrable antitumor compound represented by the following formula, a method for producing the same, a compound used for forming a side chain thereof, and a method for producing the same. Embedded image |