| Identification | Back Directory | [Name]
(2,4-PENTADIENYL)TRIMETHYLSILANEDISC 06/13/03 | [CAS]
72952-73-9 | [Synonyms]
Pentadienyltrimethylsilane
5-(Trimethylsilyl)-1,3-pentadiene
trimethyl(penta-2,4-dienyl)silane
Silane, trimethyl(2E)-2,4-pentadien-1-yl-
(2,4-PENTADIENYL)TRIMETHYLSILANEDISC 06/13/03 | [Molecular Formula]
C8H16Si | [MOL File]
72952-73-9.mol | [Molecular Weight]
140.3 |
| Hazard Information | Back Directory | [Physical properties]
bp 41 °C/36 mmHg or 105 °C/760 mmHg; n20/
D 1.4570. | [Uses]
5-Trimethylsilyl-1,3-pentadiene is a useful pentadienylation reagent; an allyl silane; a precursor
for 1-trimethylsilyldienes and intramolecular Diels–Alder
substrates). | [Preparation]
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). |
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