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Intramolecular thermal cycloadditions of 1,8-divinylnaphthalene and 1,8-distyrylnaphthalene

✍ Scribed by Meinwald, Jerrold; Kapecki, Jon A.


Book ID
126172107
Publisher
American Chemical Society
Year
1972
Tongue
English
Weight
380 KB
Volume
94
Category
Article
ISSN
0002-7863

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Intramolecular [8+2] cycloaddition and 1
✍ Ching-Yang Liu; K.N Houk πŸ“‚ Article πŸ“… 1987 πŸ› Elsevier Science 🌐 French βš– 167 KB

heptafulvene, 8, undergoes both an intramolecular [8+21 cycloaddition and a loll-electron electrocyclization followed by 1,5-sigmatropic hydrogen shifts to give 10 and 12, respectively. Acetylheptafulvene, 1, was reported to be unstable by Hafner,' although the reaction of 1 with DMAD to give an in