Journal of the American Chemical Society p. 341 - 348 (1987)
Update date:2022-08-03
Topics:
Crossley, Maxwell J.
Field, Leslie D.
Forster, Adrienne J.
Harding, Margaret M.
Sternhell, Sever
The rate of aryl ring rotation in a series of 5,10,15,20-tetrakis(2-X-5-methoxyphenyl)porphyrins, where X = H, F, Cl, Br, and I, was studied by NMR spectroscopy and chromatography.Where X = Cl, Br, and I, the four atropisomers αβαβ, ααββ, αααβ, and αααα w
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