Method for preparing camptothecin derivatives

Details Method for preparing camptothecin derivatives Method for preparing camptothecin derivatives

C - Chemistry, Metallurgy

07

D

C07D 491/22 (2006.01) C07D 491/04 (2006.01) C07D 491/052 (2006.01)

Patent

CA 2236420

The present invention relates to a process for preparing camptothecin and camptothecin analogs of Formula (I) from compounds of Formula (II) and to novel intermediates useful in their preparation, wherein R1 to R6 represent various substituents.

Cette invention se rapporte à un procédé pour préparer de la camptothécine et des analogues de camptothécine de formule (I) à partir de composés de formule (II), ainsi qu'à de nouveaux intermédiaires servant à leur préparation, formules dans lesquelles R¿1? à R¿6? représentent divers substituants.

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