Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Patent
1987-03-20
1988-06-14
Berch, Mark L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
C07F 718, C07D40512, C07D40914, C07B 4106
Patent
active
047512970
ABSTRACT:
A process for production of a 2-azetidinone-1-oxoacetate of the formula ##STR1## useful as an intermediate for preparation of 2-SR.sup.2 -substituted-2-penem-3-carboxylate andtibacterial agents;
R is a conventional hydroxy protecting group, R.sup.1 is certain carboxy protecting groups and ##STR2## and m and n are each 0, 1 or 2; which comprises contacting a corresponding (2-oxo-1-axetidinyl)-N-2-hydroxyacetate ester of the formula ##STR3## with manganese dioxide.
REFERENCES:
patent: 4155915 (1979-05-01), Menard et al.
patent: 4619924 (1986-10-01), Hamanaka
Sankyo, Chem Abs 98, 143190w (1982).
C. R. Johnson et al., J. American Chem. Soc., 91, 682-687 (1969).
Durst, Advances in Org. Chem., 6, 356-365 (1969).
A. J. Fatiadi, Synthesis, 65-104; 133-167 (1976).
Cue, Jr. Berkeley W.
Pirie Donald K.
Berch Mark L.
Blackwood Robert K.
Frost Albert E.
Pfizer Inc.
Richardson Peter C.
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