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2005
Polyphenylalkene derivatives
Q 0740
Stereoselective Synthesis of Multisubstituted Butadienes Through Directed MizoReaction and Homocoupling Reaction of Vinyl(2-pyridyl)silane. —
04- 103 roki—Heck
The homocoupling reaction of alkenyl(2-pyridyl)silanes is carried out in the presence
of CuI and CsF. The starting silanes are easily prepared by the Mizoroki—Heck reaction, enabling a rapid and stereoselective synthesis of a wide range of the multisubstituted butadienes in good yields. Various products are identified which exhibit a wide
range of fluorescence color variations (blue to reddishorange). — (ITAMI*, K.;
USHIOGI, Y.; NOKAMI, T.; OHASHI, Y.; YOSHIDA*, J.-I.; Org. Lett. 6 (2004) 21,
3695-3698; Dep. Synth. Chem. Biol Chem., Grad. Sch. Eng., Kyoto Univ., Nishikyo,
Kyoto 615, Japan; Eng.) — Steudel
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