Claims
- 1. The compound of the formula ##STR21## wherein R is phenoxyacetyl or phenylacetyl and R.sub.1 is hydrogen, p-nitrobenzyl, p-methoxybenzyl, benzhydryl, or 2,2,2-trichloroethyl.
- 2. The compound of claim 1, said compound being p-nitrobenzyl 7-phenoxyacetamido-3-exomethylenecepham-4-carboxylate sulfoxide.
- 3. The compound of claim 1, said compound being 7-phenoxyacetamido-3-exomethylenecepham-4-carboxylic acid sulfoxide.
- 4. The compound of claim 1, said compound being p-nitrobenzyl 7-phenylacetamido-3-exomethylenecepham-4-carboxylate sulfoxide.
- 5. The compound of claim 1, said compound being 7-phenylacetamido-3-exomethylenecepham-4-carboxylic acid sulfoxide.
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part of copending application Ser. No. 310,191 filed Nov. 28, 1972 now U.S. Pat. No. 3,917,587 issued Nov. 4, 1975.
US Referenced Citations (5)
Continuation in Parts (1)
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Number |
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310191 |
Nov 1972 |
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