Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1993-12-21
1994-09-20
Ramsuer, Robert W.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548414, 556405, 558179, 562 24, C07D20912, C07F 902
Patent
active
053490690
ABSTRACT:
A process for the preparation of compounds of formula ##STR1## or salt thereof where R.sub.1 is --X--Z and X is --C.tbd.C--,
REFERENCES:
patent: 5091378 (1992-02-01), Karanewsky et al.
Li Wen S.
Thottathil John K.
E. R. Squibb & Sons Inc.
McKane Joseph K.
Park Ellen K.
Ramsuer Robert W.
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