Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1998-06-15
1999-07-20
Fan, Jane
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546321, 560 17, 560152, 560171, C07D213803
Patent
active
059257644
ABSTRACT:
The present invention provides a process to prepare a pyridine-2,3-dicarboxylate derivative via the reaction of a dailkyl alkoxy(or alkylthio)oxalacetate with an appropriately substituted acrolein compound in the presence of an ammonia source and a solvent.
The present invention also provides useful intermediate compounds of formula IV. ##STR1##
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Fan Jane
Hogan, Jr. John W.
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