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Addition of lithium metal to but-1-en-3-ynes. Synthesis and epoxidation of 1,4-bis(trimethylsilyl)buta-1,2-dienes

✍ Scribed by Christiane Santelli-Rouvier; Sophie Lefrère; Maurice Santelli

Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
234 KB
Volume
40
Category
Article
ISSN
0040-4039

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✦ Synopsis

But-1-en-3-ynes react with lithium and chlorotrimethylsilane in THF to give 1,4-bis(trimethylsilyl)buta-2,3dienes. Epoxidation of these allenes leads to oxyallyl species which are trapped by nucleophilic reagents to give 1,4-bis(trimethylsilyl)butan-3-ol-2-one derivatives.

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