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Electro-initiated [2+2+2] cycloaddition of molecular oxygen, olefin, and 1,3-diketone

✍ Scribed by Jun-ichi Yoshida; Kazuhiko Sakaguchi; Sachihiko Isoe; Ken Hirotsu


Book ID
108382866
Publisher
Elsevier Science
Year
1987
Tongue
French
Weight
263 KB
Volume
28
Category
Article
ISSN
0040-4039

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πŸ“œ SIMILAR VOLUMES


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✍ Peter Luthardt; Ernst-Ulrich WΓΌrthwein πŸ“‚ Article πŸ“… 1988 πŸ› Elsevier Science 🌐 French βš– 244 KB

&ii&R&: 1,3-Diazabutadienes react with diphenylketene in [2+2] -and [4+2] cycloaddition reacg$ons, depending on the substitution pattern. Spectroscopic data (IR, H-and C-WWR) and results of quantummechanical model calculations (ab initio 3-2lG) are presented. and reactions of 1,3\_diazabutadienes 1

Photochemistry of 1, 2-diketones: 1,2-cy
✍ W.H. Urry; D.J. Trecker; D.A. Winey πŸ“‚ Article πŸ“… 1962 πŸ› Elsevier Science 🌐 French βš– 315 KB

As with the symmetrical, acyclic vicinal-diones previously investigated', the photocyclizations of these substances give predominantly 2-hydroxycyclobutanones. Further mechanism studies have shown that the triplet state gives this reaction since it is photosensitized by benzophenone, and that with