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Reaction of 2,2-diphenylmethylenecyclopropane with electron-deficient quinoid compounds. New [σ2 +π2 + π2]-type cycloadditions

✍ Scribed by R. Noyori; N. Hayashi; M. Katô


Publisher
Elsevier Science
Year
1973
Tongue
French
Weight
95 KB
Volume
14
Category
Article
ISSN
0040-4039

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Inverse-electron demand [π2 + σ2 + σ2] c
✍ Kiyoshi Matsumoto; Hiroyuki Taketsuna; Jong Chul Kim; Akikazu Kakehi 📂 Article 📅 2001 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 66 KB

## Abstract A first example of an inverse‐electron demand [~π~2 + ~σ~2 + ~σ~2] cycloaddition reaction of dimethyl oxaquadricyclane‐2,3‐dicarboxylate was reported: cyclooctyne underwent cycloaddition with dimethyl oxaquadricyclane‐2,3‐dicarboxylate to afford the corresponding adducts one of whose st