Heterocyclic compounds containing an alkoxycarbonyl and a substi

Details Heterocyclic compounds containing an alkoxycarbonyl and a substi Heterocyclic compounds containing an alkoxycarbonyl and a substi

1981-09-11

1984-03-06

Berch, Mark L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602452T, C07D20508, C07D48704

Patent

active

044353227

ABSTRACT:
The invention relates to new heterocyclic compound containing an alkoxycarbonyl and a substituted methyl group a process for the preparation of these and analogeous compound and pharmaceutical compositions containing them.
More particularly, the invention concerns compounds of the general formula (IVa) ##STR1## wherein R' is hydrogen, 2-ethoxycarbonylethyl, aryl or a group suitable for a temporary protection of amides and

REFERENCES:
patent: 4290947 (1981-09-01), Christensen
patent: 4322345 (1982-03-01), Hirata
Nippon Chemical, Chem. Abs. 98, 107076, (1981).
Watanabe, Chem. Abs. 95, 24665h, (1981).
Ogania et al., Chem. Abs. 94, 20815ly, (1981).
Kano et al., Chem. Abs. 92, 198212m, (1979).
Sheehan et al., J. Amer. Chem. Soc. 22,5158.
Sheehan et al., J. Am. Chem. Soc., vol. 72, pp. 5158-5161, (1950), "A New Synthesis of Beta-Lactams".

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