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Generation and synthetic use of 2-3-dihydropyranyl-3 lithium

✍ Scribed by Jacqueline Ficini; Philippe Kahn; Samir Falou; Anne Marie Touzin


Book ID
108384694
Publisher
Elsevier Science
Year
1979
Tongue
French
Weight
269 KB
Volume
20
Category
Article
ISSN
0040-4039

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Generation and reactions of 2-alkyl-3-ca
✍ J.H.M. Lange; A.J.H. Klunder; B. Zwanenburg πŸ“‚ Article πŸ“… 1988 πŸ› Elsevier Science 🌐 French βš– 259 KB

Them&is of 4-~l~.~clo[52.1.0,6]~c~ienone esters 3 in DMF produces 2-alkyl-3-carboethoxycyclopentadienones 8 in an eflcient [4+2]cycloreversion reactio,u. These cyclic dienones can be trapped by cyclopentadiene to cljgord regioselectively tricyclodecadienones 9 in high yields.