摘要 |
Compounds of the formula: <IMAGE> are disclosed wherein R is C1 to C6 alkyl, C1 to C6 haloalkyl, C3 to C8 cycloalkyl, phenyl, halophenyl, naphthyl, benzyl, indanyl, phenacyl, p-nitrophenacyl, xylyl or acetoxymethyl; R1 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.
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申请人 |
CHINOIN GYOGYSZER ES VEGYLSZETI TERMEKEK GYARA R.T. |
发明人 |
HUHN, MAGDA;SOMFAI, EVA;SZABO, GABOR;RESOVSZKI, GABOR;GNETH, ZOLTAN |