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method for preparation of alkadienolen and derived ethers by transposition of conjugated alkadienen with water or alcohols.
method for preparation of alkadienolen and derived ethers by transposition of conjugated alkadienen with water or alcohols.
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机译:的方法,通过将共轭的链烯二烯与水或醇进行转座来制备链烯二烯烯酮和衍生的醚。
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摘要
Unsaturated alcohols and ethers are prepared through the reaction of C4 to C6 aliphatic conjugated diolefins with water, a lower alkanol or mixtures thereof in the presence of a zero valent palladium based catalyst system. The preferred catalyst is tetrakis(triphenyl-phosphine)palladium alone or in combination with a basic material such as a quaternary ammonium hydroxide. Where one of the coreactants is water, the reaction is conducted in the presence of a solvent. The unsaturated alcohol and ether products can be catalytically hydrogenated to plasticizer alcohols and ether solvent media.
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