Dimethyl-3,4-hexanediol (1) has been dehydrated, using a variety of reagents, to mixtures of the six isomeric CgHu dienes. The use of acidic reagents, or iodine in propionic anhydride, favors the formation of cis,cis-3,4-dimethyl-2,4-hexadiene (2) and cis,
Pinakol (I) wurde systematischen Dehydratisierungsreaktionen unterworfen und hierbei wurden je nach den angewandten Bedingungen unterschiedliche Anteile′ an den Dienen (II)‐(VII) neben den Ketonen (VIII) und (IX) erhalten.
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