Synthesis of framework olefins using Diels-Alder adducts of fulvene
✍ Scribed by G. A. Tolstikov; B. M. Lerman; T. A. Belogaeva
- Book ID
- 112452520
- Publisher
- Springer
- Year
- 1989
- Tongue
- English
- Weight
- 182 KB
- Volume
- 38
- Category
- Article
- ISSN
- 1573-9171
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## Abstract The __Diels__–__Alder__ reaction was applied to 4,5‐epoxymorphinan opioids to generate a novel aromatic cycloadduct at C(7)C(8): Thermolytic cleavage of sultine **8** produced the reactive diene __o__‐quinodimethane **7** which condensed favorably with codeine (**11**), but not with co
A reliable and novel synthetic route for the preparation of prop-l-ene-l,3-sultone (1) has been developed. An overall yield of 34% could be achieved for this five-step synthesis. The Diels-Alder reactions of 1 with a variety of dienes were investigated for the first time and achieved with good chem