Intermediates of camptothecin (CPT-11) or mappicine and their manufacture

Various intermediates as defined in the specification for preparing camptothecin derivatives, other compounds related to the synthesis of CPT-11 of formula (I) and compounds related to mappicine of formula (II) are claimed. The intermediates are based on 4-keto-pyridine, 2-pyridine-1,3-dioxolane, py...

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Bibliographic Details
Main Authors HENEGAR, KEVIN E, SIH, JOHN C
Format Patent
LanguageEnglish
Published 29.11.1999
Edition6
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Summary:Various intermediates as defined in the specification for preparing camptothecin derivatives, other compounds related to the synthesis of CPT-11 of formula (I) and compounds related to mappicine of formula (II) are claimed. The intermediates are based on 4-keto-pyridine, 2-pyridine-1,3-dioxolane, pyrano[3,4-c]pyridine, pyrano[3,4-c]indolizine or indolizine or on a compound of formula II. Also claimed are the processes for preparing the above compounds.
Bibliography:Application Number: NZ19960306664