Dehydrative Cyclization of Alkynals: Vinylidene Complexes with the Cβ Incorporated into Unsaturated Five- or Six-Membered Rings
作者:María Batuecas、Luz Escalante、Miguel A. Esteruelas、Cristina García-Yebra、Enrique Oñate、Carlos Saá
DOI:10.1002/anie.201102969
日期:2011.10.4
A nice ring: The title compounds are easily prepared by dehydrative cyclization of terminal alkynals in the presence of osmium, iridium, and rhodium precursors (see scheme).
一个不错的环:在compounds,
铱和
铑前体的存在下,通过末端
炔烃的脱
水环化反应,可以轻松制备标题化合物(请参见方案)。