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72952-73-9

(2,4-PENTADIENYL)TRIMETHYLSILANEDISC 06/13/03 synthesis

4synthesis methods
5-Trimethylsilyl-1,3-pentadiene may be prepared in 85% yield by the reaction of pentadienyllithium with chlorotrimethylsilane in THF at room temperature.1–3 Generally the product is ≈95% (E) isomer as judged by IR (strong band at 1000 cm?1) or NMR(trans coupling constant of 15.2 Hz for proton at C-3, 5.92 ppm).
-

Yield:72952-73-9 85%

Reaction Conditions:

in tetrahydrofuran;Ambient temperature;

References:

Seyferth, Dietmar;Pornet, Jacques [Journal of Organic Chemistry,1980,vol. 45,# 9,p. 1721 - 1722]

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