
Tetrahedron p. 715 - 732 (1984)
Update date:2022-08-05
Topics:
Alexakis, A.
Commercon, A
Coulentianos, C.
Normant, J.F.
Lithium diorganocuprates add across the triple bond of substituted and non-substituted acetylenyl acetals and ketals to give dialkenylcuprates, which can be decomposed into alkoxyallenes or may be trapped with a variety of electrophiles, such as alkyl, alkenyl, alkynyl and aryl halides.They may also undergo conjugate addition to α-β unsaturated esters and ketons.The method is used for the synthesis of (+/-)-manicone, pure geranial and (E,Z)2,4-dienals.
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