Stereochemistry of the Cycloaddition Reaction of 1,2-Bis-(trifluoromethyl)-1,2-dicyanoethylene and Electron-Rich Alkenes
β Scribed by Proskow, Stephen.; Simmons, Howard E.; Cairns, T. L.
- Book ID
- 126094711
- Publisher
- American Chemical Society
- Year
- 1963
- Tongue
- English
- Weight
- 156 KB
- Volume
- 85
- Category
- Article
- ISSN
- 0002-7863
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π SIMILAR VOLUMES
The titZe compound 1 undergoes thermal [n2s+a2s] cycZoaddition reactions with l,l-di-methoxyethylene or enamines to produce 1,2-bismethyZenecycZobutanes of type 3. Butatrienes display an interesting position-selectivebehaviortowards cycloaddition reactions. For example, recently it has been establis
The effects of substituents and solvent variation on the rate constants are in harmony with a concerted cycloaddition. In the preceding communication we described reactions of 2,2-bis(trifluoromethyl)ethylene-1 ,I-dicarbonitrile (BTF; 1) with styrenes 2 2. By rapid reversible Diels-Alder additions w