Bulletin of the Korean Chemical Society

  • 제17권4호
  • /
  • Pages.380-384
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  • 1996
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  • 0253-2964(pISSN)
  • /
  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Lithium Trimethylalkynylaluminate, A New Chemoselective Alkynylating Agent

  • 발행 : 1996.04.20
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초록

Lithium trimethylalkynylaluminates, prepared conveniently by reacting trimethylaluminum with lithium alkynide, readily react with aldehydes and ketones to give the corresponding propargyl alcohols in 70-95% yields. The reaction is highly chemoselective; thus many other functional groups such as amides, nitriles, epoxides and halogen compounds are inert under the reaction conditions. The reagents also show an excellent 1,2-regiospecificity in the reactions with cyclic or acyclic α,β-unsaturated carbonyl compounds.

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참고문헌

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