Patents Assigned to Chinoin Gyogyszer es Vegylszeti Termekek Gyara R.T.
  • Patent number: 4289894
    Abstract: Compounds of the formula: ##STR1## are disclosed wherein R is C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 haloalkyl, C.sub.3 to C.sub.8 cycloalkyl, phenyl, halophenyl, naphthyl, benzyl, indanyl, phenacyl, p-nitrophenacyl, xylyl or acetoxymethyl; R.sup.1 is phenyl, benzyl or phenyl or benzyl substituted by halo, nitro, dialkylamino, alkoxy or trifluoromethyl, lower alkyl or allyl; and X is halo. The compounds are intermediates in the manufacture of penicillins.
    Type: Grant
    Filed: March 6, 1979
    Date of Patent: September 15, 1981
    Assignee: Chinoin Gyogyszer es Vegylszeti Termekek Gyara R.T.
    Inventors: Magda Huhn, Eva Somfai, Gabor Szabo, Gabor Resovszki, Zoltan Gneth