摘要:
The present invention relates to an efficient procedure for the synthesis of deserpidine (Ia), starting from reserpic acid lactone (II) via the intermediate 11-O-demethyl reserpic acid lactone (III).
摘要:
The present invention relates to an efficient procedure for the synthesis of deserpidine (Ia), starting from reserpic acid lactone (II) via the intermediate 11-O-demethyl reserpic acid lactone (III).
摘要:
A process for the preparation of 14β-hydroxy-baccatin III-1,14-carbonate useful for the preparation of novel taxane derivatives with antitumor activity.
摘要:
A general process for the functionalization at the 14-position of 13-ketobaccatin derivatives of formula I to give derivatives of formula II wherein the substituents are as defined in the disclosure. The conversion of compounds of formula II in compounds of formula III, wherein the substituents are as defined in the disclosure, is also described.
摘要:
A general process for the functionalization at the 14-position of 13-ketobaccatin derivatives of formula I to give derivatives of formula II wherein the substituents are as defined in the disclosure. The conversion of compounds of formula II in compounds of formula III, wherein the substituents are as defined in the disclosure, is also described.
摘要:
Novel camptothecin derivatives having antitumor activity, the processes for the preparation thereof, the use thereof as antitumor drugs and pharmaceutical compositions containing them.
摘要:
Novel camptothecin derivatives having antitumor activity, the processes for the preparation thereof, the use thereof as antitumor drugs and pharmaceutical compositions containing them.
摘要:
Novel camptothecin derivatives having antitumor activity, the processes for the preparation thereof, the use thereof as antitumor drugs and pharmaceutical compositions containing them.
摘要:
Novel camptothecin derivatives having antitumor activity, the processes for the preparation thereof, the use thereof as antitumor drugs and pharmaceutical compositions containing them.
摘要:
Novel camptothecin derivatives having antitumor activity, the processes for the preparation thereof, the use thereof as antitumor drugs and pharmaceutical compositions containing them.