Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1995-05-19
1996-01-16
Dalton, P. I.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
544350, C07D21375
Patent
active
054849306
ABSTRACT:
The present invention relates to compounds of the formula ##STR1## wherein each of R and R.sub.1 is a lower alkyl group having from 1 to 4 carbon atoms, which are useful as intermediates to make chiral ethyl (5-amino-1,2-dihydro-2-methyl-3-phenylpyrido[3,4-b]pyrazin-7-yl)carbamate.
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Goel Om P.
Nikam Sham S.
Crissey Todd M.
Dalton P. I.
Warner-Lambert & Company
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