Tandem [4 + 2]/[3 + 2] cycloadditions: facile and stereoselective construction of polycyclic frameworks
β Scribed by Denmark, Scott E.; Moon, Young Choon; Senanayake, C. B. W.
- Book ID
- 127174829
- Publisher
- American Chemical Society
- Year
- 1990
- Tongue
- English
- Weight
- 741 KB
- Volume
- 112
- Category
- Article
- ISSN
- 0002-7863
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π SIMILAR VOLUMES
Tandem [4+2]β’[3+2] cycloadditions of nitrostyrene and I-phenyl-2-nitropropene with ethyl vinyl ether or 2,3-dihydrofuran are strongly accelerated under high pressure. Mono 14+2] cycloadducts and tandem [4+21/[3+2] cycloadducts were obtained. Furthermore, the in sttu formed mono adduct reacts selecti
High-Pressure Promoted Stereoselective Tandem [4 + 2]/[3 + 2] Cycloadditions of Nitroalkenes and Enol Ethers. -The tandem cycloadditions of the nitroalkenes (I) and (V) with ethyl vinyl ether are found to be strongly accelerated under high pressure. The reactions proceed regioand stereoselectively.