Olefin-mediated interaction observed for nickel tetraphenylporphyrins with an acceptor substituted on the β-carbon

Organic Letters

Volumn 1, Issue 11, 1999, Pages 1767-1770

  Chen, Chin Ti ^a   Yeh, Hsiu Chih ^a   Zhang, Xuequn ^a   Yu, Jenwei ^b  

^a INSTITUTE OF CHEMISTRY   (Taiwan)

^b NATIONAL KAOHSIUNG NORMAL UNIVERSITY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000679541     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol990280r     Document Type: Article

References (37)

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31. g symmetry in the case of the unsubstituted symmetrical metalloporphyrin (e.g., Ni(TPP)). The LUMO of a metalloporphyrin will not be degenerate for the low-symmetry (Ci) β-substituted Ni(TipPP) examined in this study. Thus, a split Soret is to be expected. Here we qualitatively take the x direction along opposite pyrrole rings with the acceptor substituent and the y axis along a perpendicular direction to the x axis.
32. -1 between vibronic and electronic transitions). In the Q band region, in addition to the small energy separation, the split Q bands might extend into the 500-550 nm region and become obscured by the much stronger Soret bands that also appear here.
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