Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tanabe Seiyaku CofiledCriticalTanabe Seiyaku Co
Publication of MX9603149ApublicationCriticalpatent/MX9603149A/en
A camptothecin derivative comprising a compound of the formula: (see formula) (chemical formula 1) wherein R1 is a substituted or unsubstituted lower alkyl group, X1 is a group of the formula: -NHR2(R2 is hydrogen atom or a lower alkyl group) or -OH, and Alk is a straight chain or branched chain alkylene group having optionally an oxygen atom in the chain thereof, bound to a polysaccharide having carboxyl groups via an amino acid or a peptide, or a pharmaceutically acceptable salt thereof.
NOVEL OCTAHYDRO-6,10-DIOXO-6H-PYRIDAZINO/1,2-a/ /1,2/DIAZEPIN-1-CARBOXYLIC ACID DERIVATIVES, PREPARATION METHOD AND USE FOR PREPARING THERAPEUTICALLY ACTIVE COMPOUNDS