Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1981-02-19
1982-02-02
Rotman, Alan L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
560 38, 562443, C07D21355
Patent
active
043140637
ABSTRACT:
1-Ethyl-1,4-dihydro-6-(2-naphthyl)-4-oxonicotinic acid and C.sub.1-6 -alkyl esters thereof as well as their alkali metal, alkaline earth metal or ammonium salts are described. The foregoing compounds are useful as central nervous system stimulants. Also described are 1-ethyl-6-(2-naphthyl)-4-oxo-1,4,5,6-tetrahydronicotinic acid and C.sub.1-6 -alkyl esters thereof, which are useful as intermediates.
REFERENCES:
patent: 4220648 (1980-09-01), Youngdale
Hoffmann-La Roche Inc.
Isgro William G.
Leon Bernard S.
Rotman Alan L.
Saxe Jon S.
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