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
β¦ LIBER β¦
1,4-Dilithio-1,3-butadienes
β Scribed by Ashe, Arthur J.; Mahmoud, Samir.
- Book ID
- 126846591
- Publisher
- American Chemical Society
- Year
- 1988
- Tongue
- English
- Weight
- 419 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0276-7333
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Organo-selenium compounds ## Organo-selenium compounds S 0130 Perthio-and Perseleno-1,3-butadienes, -but-1-ene-3-ynes, and -[3]-cumulenes: One-Step Syntheses from 1,4-Dilithio-1,3-butadiyne. -1,4-Dilithio-1,3-butadiyne is easily generated by lithiation of a freshly prepared solution of 1,3-butadiyn