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Publication of DK154834BpublicationCriticalpatent/DK154834B/en
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1,5-Diphenylpyrazoline derivatives of the isomeric formulae II and III, <IMAGE> <IMAGE> in which R1 to R4 is hydrogen, halogen, alkyl or alkoxy, Z is alkylene and Y is halogen. The compounds are intermediates in the preparation of 1,5- diphenylpyrazolin-3-one compounds.
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hvori til er hydrogen, halogen, alkyl eller alkoxy, Z er alkylen, og Y er halogen.wherein to is hydrogen, halogen, alkyl or alkoxy, Z is alkylene and Y is halogen.
Forbindelserne er mellemprodukter ved fremstillingen af l,5-diphenylpyrazolin-3-on-forbindelser.The compounds are intermediates in the preparation of 1,5-diphenylpyrazolin-3-one compounds.