Z-1,2-DIARYLALLYL CHLORIDES

Preparation of Z-1,2-diarylallyl chlorides of the general formula I in which the radicals R and R independently of one another are hydrogen, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or a substituted aromatic radical, and n and m represent 1, 2 or 3, by dehydrating chlorohydrins of the formula I...

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Hauptverfasser: KHAJNTS ISAK, RAJNER KOBER, EKKARD KHIKMANN, RAJNER SEELE, TOMAS TSIRKE, NORBERT GETTS
Format: Patent
Sprache:eng
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Zusammenfassung:Preparation of Z-1,2-diarylallyl chlorides of the general formula I in which the radicals R and R independently of one another are hydrogen, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or a substituted aromatic radical, and n and m represent 1, 2 or 3, by dehydrating chlorohydrins of the formula II in which the radicals have the abovementioned meanings, at temperatures of up to 50 DEG C in the presence of a carboxylic anhydride and of an organic or inorganic acid, in an inert ether or carboxylate as the solvent, the reaction of these products to give azolylmethyloxiranes, and novel intermediates.