Bulletin of the Chemical Society of Japan p. 3669 - 3670 (1982)
Update date:2022-08-16
Topics:
Ogura, Katsuyuki
Arai, Kazutaka
Tsuchihashi, Gen-ichi
(E)-1-Aryl-2-(methylsulfinyl)-2-(methylthio)ethene, obtained by the Knoevenagel-type condensation of methyl (methylthio)methyl sulfoxide with the corresponding aromatic aldehyde, was found to react with ethylmagnesium chloride to give (Z)-1-aryl-2-(methylthio)ethene predominantly.Since the reaction of (Z)-1-(methylsulfinyl)-1-(methylthio)-2-phenylethene afforded (E)-1-(methylthio)-2-phenylethene, the present reaction appeared to be stereospecific.
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