期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 70, 期 2, 页码 756-759出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo048860b
关键词
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o-Alkenyl or alkynyl benzylzirconocene intermediate, which was readily generated by the reaction of 2-alkoxymethyl-styrene or 2-alkoxymethyl-1-(trimethylsilylethynyl)-benzene derivative with zirconocene-butene complex (Negishi reagent, Cp2Zr), reacted with allyl or propargyl halides in the presence of a catalytic amount of CuCl to give allylation or allenylation products. Conversion to Dane's diene, which is a key intermediate for estrone synthesis, was efficiently carried out by enyne olefin metathesis of the allylation products.
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