Alkaloid esters

Vasodilatory eburnamine-type alkaloid esters of the formula (I) (I) and salts and quaternary derivatives thereof, wherein X DIFFERENCE Y REPRESENTS A =CH=CH- or R represents a C1-6 alkoxycarbonyl group optionally substituted with a hydroxy group or with a halogen atom, further an alkenyloxycarbonyl,...

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Bibliographic Details
Main Authors SZASZ; KALMAN, LORINCZ; CSABA, KARPATI; EGON, SZPORNY; LASZLO, KISFALUDY; LAJOS
Format Patent
LanguageEnglish
Published 12.07.1977
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:Vasodilatory eburnamine-type alkaloid esters of the formula (I) (I) and salts and quaternary derivatives thereof, wherein X DIFFERENCE Y REPRESENTS A =CH=CH- or R represents a C1-6 alkoxycarbonyl group optionally substituted with a hydroxy group or with a halogen atom, further an alkenyloxycarbonyl, aryloxycarbonyl, aralkoxycarbonyl group or an acylated primary alcohol group, especially apovincaninic acid ethyl ester, have been prepared by various methods of esterification.
Bibliography:Application Number: US19750645244