Pentadienylsilanes as new reagents of the siteselective dienylmethylation of electrophiles promoted by a Lewis acid |
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| Authors: | Akira Hosomi Masaki Saito Hideki Sakurai |
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| Affiliation: | Department of Chemistry, Faculty of Science, Tohoku University, Sendai 980, Japan |
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| Abstract: | (2,4-Pentadienyl)- and (2,4-hexadienyl)trimethylsilanes, prepared from the corresponding pentadienylpotassiums and trimethylchlorosilane, react smoothly with various electrophiles such as acetals, aldehydes and acid halides to give pentadienylation products, with regiospecific transposition of the pentadienyl group. |
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