The First Enantiospecific Palladium-Catalyzed Cycloaddition of Aziridines and Heterocumulenes. Novel Synthesis of Chiral Five-Membered Ring Heterocycles
β Scribed by Baeg, Jin-Ook; Bensimon, Corinne; Alper, Howard
- Book ID
- 120454766
- Publisher
- American Chemical Society
- Year
- 1995
- Tongue
- English
- Weight
- 246 KB
- Volume
- 117
- Category
- Article
- ISSN
- 0002-7863
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## Abstract Rhodium(II)βcatalyzed reactions of diazodicarbonyl compounds with a variety of conjugated dienes have been examined. These reactions provide a simple and rapid route to dihydrofurans and dihydrooxepines with a variety of substituents on the ring. The formation of these products is inter
## 38 -168 [2 + 2] Cycloaddition and Ring Expansion Reactions of Cyclic Phosphonium and Aminophosphonium Salts: Synthesis and Structure of the First Eight-Membered Ylide-Type Heterocycles. -In the case of reactions between (IV) and nitrile (II) or diester (VI), the desired title compounds can be i