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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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. |
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