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引用
期刊论文
Au(I)- and Pt(II)-Catalyzed Cycloetherification of ω-Hydroxy Propargylic Esters
ORGANIC LETTERS 2008 Vol. 10, No. 12 2533-2536,-0001,():
Depending on the nature of the metal catalyst, ω-hydroxy propargylic acetates choose between alternative cycloetherification manifolds to produce functionalized heterocycles in high yields. AuCl catalyzes the formation of oxacyclic enol acetates, whereas [Cl2Pt(CH2CH2)]2 (Zeise’s dimer) will induce a propargylic substitution via an unprecedented SN2′-type allenic substitution from within a chelated square planar cationic Pt(II) complex.
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