Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1980-11-21
1983-08-23
Daus, Donald G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D46100
Patent
active
044005148
ABSTRACT:
The invention concerns a new process for the preparation of apovincaminic acid ester derivatives of the general formula (I) ##STR1## wherein R.sup.1 and R.sup.2 independently represent an alkyl group having 1 to 6 carbon atoms,
REFERENCES:
patent: 2797221 (1957-06-01), Gates, Jr.
patent: 4283401 (1981-08-01), Szantay et al.
patent: 4315011 (1982-02-01), Szantay et al.
Wagner, et al., Synthetic Organic Chemistry, John Wiley & Sons, Inc., New York (1953).
Dancsi Lajos
Drexler Ferenc
Kalaus Gyorgy
Keve Tibor
Mihalyfi Krisztina
Daus Donald G.
Dubno Herbert
Richter Gedeon Vegyeszeti Gyar Rt.
Rivers Diana G.
Ross Karl F.
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