期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 72, 期 1, 页码 139-143出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo061775e
关键词
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[GRAPHICS] A highly efficient BF3 center dot OEt2-catalyzed formal dehydration C-C coupling reaction between readily available alpha-EWG ketene-(S,S)-acetals and various alcohols via direct substitution of the hydroxy group in alcohols has been developed. On the basis of this C-C coupling reaction, a series of alkylated alpha-EWG ketene-(S,S)-acetals and functionalized 1,4-pentanedienes were prepared in high to excellent yields and the unsymmetrical biaryls were synthesized in good yields from the generated 1,4-pentanedienes and nitroalkanes through a one-pot annulation-aromatization process.
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