A DFT analysis of the participation of zwitterionic TACs in polar [3+2] cycloaddition reactions
✍ Scribed by Domingo, Luis R.; Aurell, Maria J.; Pérez, Patricia
- Book ID
- 122241335
- Publisher
- Elsevier Science
- Year
- 2014
- Tongue
- French
- Weight
- 581 KB
- Volume
- 70
- Category
- Article
- ISSN
- 0040-4020
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📜 SIMILAR VOLUMES
## Abstract Small cycloalkynes possess a π‐strain‐induced electrophilicity related to the bending of the C–C^sp^–C^sp^ bond angle. For cyclopentyne and benzyne, the electrophilicity index defined in the context of density functional theory gives a coherent rationale for the reactivity of these cycl
Tetracyanoethylene (TCNE) belongs to the most active dienophiles in . the Diels-Alder reaction.' Trans-fixed 1,3-dienes, however, combine with TCNE in 2+2 cycloadditions to give vinylcyclobutanes; 293 the second double bond effects an activation, No. 41 ACKNOWLEDGMENT. J.P.O. expresses his gratitude