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Selectively metalated doubly cofacial porphyrin trimers. New models for the study of photoinduced intramolecular electron transfer.

โœ Scribed by Michael R. Wasielewski; Mark P. Niemczyk; Walter A. Svec


Book ID
104221019
Publisher
Elsevier Science
Year
1982
Tongue
French
Weight
243 KB
Volume
23
Category
Article
ISSN
0040-4039

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โœฆ Synopsis


The preparation of a doubly cofacial porphyrin trimer consisting of a Zn mesoporphyrin -Zn mesoporphyrin mesoporphyrin stack is described. The optical absorp,tion and fluorescence properties of the molecule as a function of solvent are also reported.


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lenides 2 in 50-XOViO yields a s yellow oils. Selected spectroscopic data for 2f: 'HNMR(300MHz.CDCIJ:ii = 0.82(t.J=7.0Hz.bHj.1 65(dq.J=7.0,7.0 Hz, 4Hj. 2.2X Is, 2H). 4.76 (t. J =7.0 Hz. 2 H). 7.19 (dd. J = 7 5, 7.5 Hz, 2H). 7.33 (dd. ## . ~= ~. S , ~. S H Z , ~H ) . ~. ~S ( ~. J = ~. ~H ~. ~H ) . ~