Copper(I) iodide-catalyzed regioselective allylation of α-(2-pyridylthio)allylstannanes. A new route to δ,ε-unsaturated ketones
作者:Takeshi Takeda、Ko-ichi Matsunaga、Tetsuya Uruga、Michiyo Takakura、Tooru Fujiwara
DOI:10.1016/s0040-4039(97)00487-5
日期:1997.4
The reaction of α-(2-pyridylthio)allylstannanes with allylic halides in the presence of a catalytic amount of copper(I) iodide in DMSO-THF produced the 1,5-dienes 3 in good yields. The γ-selective allylation using allyl chloride followed by the alkylation and hydrolysis of resulting vinyl sulfides gave δ,ε-unsaturated ketones.
在DMSO-THF中催化量的碘化铜(I)的存在下,α-(2-吡啶硫基)烯丙基锡与烯丙基卤的反应可得到高产率的1,5-二烯3。用烯丙基氯进行的γ-选择性烯丙基化,然后烷基化和水解所得的乙烯基硫化物,得到δ,ε-不饱和酮。