Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1998-08-13
2000-12-19
Berch, Mark L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D20508
Patent
active
061629111
ABSTRACT:
Novel crystalline carbapenem intermediate compounds of formula I: ##STR1## wherein: R.sub.1 represents CH.sub.3 or H and an efficient process for synthesis thereof are described.
REFERENCES:
Y. Nagao et al., J. Org. Chem, 57, pp. 4243-4349 (1992).
S. M. Schmitt et al. J. Antibiotic, 41(6), pp. 780-787 (1988).
Ball Richard G.
Mc Cauley James A.
Tsou Nancy N.
Yang Chunhua
Yasuda Nobuyoshi
Berch Mark L.
Daniel Mark R.
Hunter, Jr. James M.
Merck & Co. , Inc.
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