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US 4,231,954 AGranted
Dane salt and process for preparing aminopenicillins therefrom
AssigneeAmerican Home Products Corporation
InventorReinhold H. W. Bender
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Abstract
Amide-type Dane salts having the formula: ##STR1## wherein R is a group of the formula: ##STR2## wherein R.sub.2 is hydrogen and R.sub.3 is phenyl or substituted phenyl, R.sub.1 is cyano or nitro, and M is hydrogen, an alkali metal or a triloweralkylamine are disclosed, as well as a process for preparing .alpha.-aminopenicillins from these salts and 6-APA.
Claims5
A compound having the formula:
- ##STR12## wherein R.sub.1 is cyano or nitro;
- R.sub.3 is phenyl, methylthiophenyl, nitrophenyl, aminophenyl, hydroxyphenyl, alkoxyphenyl in which alkoxy is of 1-4 carbon atoms or halogenophenyl;
- and M is hydrogen, an alkali metal or a triloweralkylamine.
Dependencies are inferred from the claim text.