Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1982-06-11
1984-10-02
Coughlan, Jr., Paul M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D46100, A61K 31475
Patent
active
044749600
ABSTRACT:
A process is disclosed for the preparation of racemic cis or trans apovincaminic acid esters of the formula (I) ##STR1## and the corresponding optically active derivatives of the formulae (Ia) ##STR2## wherein R.sup.1 and R.sup.2 are identical or different alkyl groups having 1 to 6 carbon atoms. Apovincaminic acid alkyl esters are well-known vasodilating compounds.
REFERENCES:
patent: 4316029 (1982-02-01), Rossey
Czibula Laszlo
Farkas nee Kirlyak Maria
Kalaus Gyorgy
Kreidl Janos
Nemes Andras
Coughlan, Jr. Paul M.
Dubno Herbert
Richter Gedeon Vegyeszeti Gyar Rt.
Ross Karl F.
Springer D. B.
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