C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/272
C07D 461/00 (2006.01)
Patent
CA 1297878
ABSTRACT OF THE DISCLOSURE A process for preparing the ethyl ester of apovincamic acid by reacting the apovincamic acid with ethyl alcohol and in the presence of aminopyridine and trinitrobenzene derivatives. The product is useful as a cerebral vasodilator.
523383
Covex S.a.
Marks & Clerk
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