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Intramolecular Diels−Alder Reactions Using α-Methylene Lactones as Dienophile

✍ Scribed by Richter, Frank; Bauer, Matthias; Perez, Caroline; Maichle-Mössmer, Cäcilia; Maier, Martin E.

Book ID
126082627
Publisher
American Chemical Society
Year
2002
Tongue
English
Weight
153 KB
Volume
67
Category
Article
ISSN
0022-3263

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✍ Kei Takeda; Ikuhiro Imaoka; Eiichi Yoshii 📂 Article 📅 1994 🏛 Elsevier Science 🌐 French ⚖ 791 KB

The usefulness of Diels-Alder (D-A) reaction in organic synthesis has been attributed to its high stemoselectivity based on endo cycloaddition. which is explained by the concept of secondary orbital overlap in the transition state.1 Exo-mode addition, however, can predominate in some cases,"5 partic