Preparation and reactions of 3-oxa- and
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William F. Bailey; Eric R. Punzalan; Lyn M. J. Zarcone
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Article
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1992
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John Wiley and Sons
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English
⚖ 701 KB
## Abstract Low‐temperature lithium–iodine exchange between tert‐butyllithium and the appropriate iodide has been used to generate 3‐oxa‐5‐hexenyllithium and a variety of 4‐oxa‐5‐hexenyllithiums. The 3‐oxa system is inherently unstable and fragments via facile β‐elimination to give the anion of all