American Cyanamid Company

Other

Karen Bush

Carl B Ziegler

Yang-I Lin

Panayota Bitha

Gregg Brian Feigelson

Timothy W Strohmeyer

Subas Sakya

Paul Frank Fabio

Deborah Steinberg

Carbapenem antibiotic compounds of the general formula: ##STR1## wherein the moiety ##STR2## is a 4, 5 or 6 membered mono, di- or tri-substituted oxygen or sulfur containing ring; wherein Z is oxygen, sulfur, sulfoxide and sulfone, pharmaceutical compositions thereof useful for the treatment of bacterial infections, processes for preparing the compounds and new intermediates useful in the process.

2-thiosubstituted carbapenems

Carbapenem antibiotic compounds of the general formula: ##STR1## wherein the moiety ##STR2## is a 4, 5 or 6 membered mono, di- or tri- substituted oxygen or sulfur containing ring; wherein Z is oxygen, sulfur, sulfoxide and sulfone, pharmaceutical compositions thereof useful for the treatment of bacterial infections, method of inhibiting a Beta-lactamase enzyme by administering said compounds, processes for preparing the compounds and new intermediates useful in the process are disclosed.

Method of inhibiting a .beta.-lactamase enzyme by administering novel

Tetrahydrofuanyl compounds of the following formulae: ##STR1## are disclosed.

Method for producing tetrahydrofuranyl compounds

Carbapenem antibiotic compounds of the general formula: ##STR1## wherein the moiety ##STR2## is a 4, 5 or 6 membered mono, di- or tri- substituted oxygen or sulfur containing ring; wherein Z is oxygen, sulfur, sulfoxide and sulfone, pharmaceutical compositions thereof useful for the treatment of bacterial infections, processes for preparing the compounds and new intermediates useful in the process.

The invention provides a novel class of 6-(isoxazolinyl)methyl penicillanic acid 1,1-dioxide compounds having the formula: ##STR1## wherein M, X, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are described in the specification;

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Princeton, NJ, United States of America

Karen Bush