- One-pot synthesis of α-trimethylsilyl enones from vinylsilanes
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Photooxygenation of vinylsilanes in the presence of acetic anhydride and pyridine afforded α-trimethylsilyl enones 1 in moderate to good yields. Since the required starting materials are readily available, the present approach constitutes a useful alterna
- Adam,Richter
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p. 176 - 180
(2007/10/02)
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- FORMATION OF α-SILYLVINYLLITHIUM REAGENTS: REACTIONS OF α-SILYL- AND α-STANNYL-VINYLLITHIUMS WITH ALDEHYDES AND KETONES
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The formation of α-trimethylsilylvinyllithium compounds from 1-trimethylsilyl-1-trimethylstannyl-1-alkenes have been studied and their stabilities investigated. α-Trimethylsilyl- and α-trimethylstannyl-vinyllithiums undergo 1,2-addition to aldehydes and non-enolisable ketones, to give silyl- or stannyl-substituted allylic alcohols; α,β-unsaturated ketones, however, undergo 1,4-addition to give homoallylic ketones.
- Mitchell, Terence N.,Reimann, Werner
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p. 163 - 172
(2007/10/02)
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