Chinoin Gyogyszer Es Vegyeszeti Termekek Gyara Rt.

Gabor Resofszki

Eva Somfai

Gabor T Szabo

Magda Huhn

Livia Gneth Nee Zalantai

This invention relates to a process for the preparation of acid amides having the formula (I) or their salts ##STR1## wherein R.sup.1 is hydrogen or an easily removable ester-forming or salt-forming group, preferably a trialkylamine, trialkylsilyl, trichloroethyl, acetoxymethyl, phenacyl, substituted phenacyl, substituted phenyl or benzyl group,

Process for the preparation of reactive penicillanic acid and

A compound of the formula I: ##STR1## wherein: R is substituted or unsubstituted C.sub.1-6 alkyl, a substituted or unsubstituted aromatic ring, a heterocyclic ring, a cycloalkyl group or a fused ring system,

Malonic esters

This invention relates to a process for the preparation of acid amides having the formula (I) or their salts ##STR1## wherein R.sup.1 is hydrogen or an easily removable ester-forming or salt-forming group, preferably a trialkylamino, trialkylsilyl, trichloroethyl, acetoxymethyl, phenacyl, substituted phenacyl, substituted phenyl or benzyl group,

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Budapest, Hungary

Gabor Resofszki