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Synthesis of 1,2-Difunctionalized 1,3-Butadienes through a Sequence of Sigmatropic Rearrangements

✍ Scribed by Klaus Banert; Wolfgang Fendel; Jana Schlott

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
127 KB
Volume
37
Category
Article
ISSN
0044-8249

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✍ Adalbert Maercker; H. Wunderlich; Ulrich Girreser πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 340 KB

Dilithio-2,5-dimethyl-2,4-hexadiene (4a) rearranges to the cross-conjugated 2,5-dimethylhexadienediyl dianion 11a. A mechanistic investigation proves the intermolecularity of this rearrangement, which is also observed when starting from 4b. The 3-lithio-2,5-dimethylhexadienyl anion 10a with