High Pressure-Promoted [2+2] Cycloaddition Reactions of 4-Methylphenyl 1,2-Propadienyl Sulfone with Enol Ethers
✍ Scribed by René W. M. Aben; Samuel Braverman; Hans W. Scheeren
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 87 KB
- Volume
- 2003
- Category
- Article
- ISSN
- 1434-193X
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
The high-pressure promoted cycloadditions of enol ethers (1) and alkyl 3-aryl-2-cyano-2-propenoates (2) lead stereoselectively in high yields to 2,6-dialkoxy-4-aryl-3,4-dihydro-2Hpyran-5-carbonitriles (3). These cycloadducts have a high potential for further synthesis due to the presence of various
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.
vibration, which appears with high intensities for other Hgl derivatives, could not be detected in the Raman spectrum of this compound"091. In the meantime, further Hg' derivatives of bis(fluor0sulfonyl)amine, N,N-bis(fluorosulfonyI)urea, and fluorosulfonylcarbamates have been prepared r1101 and inv