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Volumn 70, Issue 3, 2005, Pages 1035-1041

Substituent effects in eight-electron electrocyclic reactions

Author keywords

[No Author keywords available]

Indexed keywords

ACTIVATION ENERGY; CONFORMATIONS; ELECTROCHEMISTRY; MOLECULAR STRUCTURE; PROBABILITY DENSITY FUNCTION; SUBSTITUTION REACTIONS;

EID: 13244252392     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo048874h     Document Type: Article
Times cited : (28)

References (57)
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    • See for example: (a) Cossío, F. P.; Arrieta, A.; Lecea, B.; Ugalde, J. M. J. Am. Chem. Soc. 1994, 116, 2085. (b) López, S.; Rodríguez, J.; Rey, J. G.; de Lera, A. R. J. Am. Chem. Soc. 1996, 118, 1881. (c) Evanseck, J. D.; Thomas, B. E., IV; Spellmeyer, D. C.; Houk, K. N. J. Org. Chem. 1995, 60, 7134. (d) Lecea, B.; Arrastia, I.; Arrieta, A.; Roa, G.; Lopez, X.; Arriortua, M. I.; Ugalde, J. M.; Cossío, F. P. J. Org. Chem. 1996, 61, 3070.
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    • See for example: (a) Cossío, F. P.; Arrieta, A.; Lecea, B.; Ugalde, J. M. J. Am. Chem. Soc. 1994, 116, 2085. (b) López, S.; Rodríguez, J.; Rey, J. G.; de Lera, A. R. J. Am. Chem. Soc. 1996, 118, 1881. (c) Evanseck, J. D.; Thomas, B. E., IV; Spellmeyer, D. C.; Houk, K. N. J. Org. Chem. 1995, 60, 7134. (d) Lecea, B.; Arrastia, I.; Arrieta, A.; Roa, G.; Lopez, X.; Arriortua, M. I.; Ugalde, J. M.; Cossío, F. P. J. Org. Chem. 1996, 61, 3070.
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    • note
    • The computed NICS for both ring points of TSa is -9.901 ppm, a value quite similar to that obtained for the cage point. However, we think that this latter point is more appropriate to describe the aromaticity of this transition structure because it is unique and is at the center of the cyclic structure.


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