Steric Effects on Atropisomerism in Tetraarylporphyrins

DOI: 10.1021/ja00236a008

Source and publish data:

Journal of the American Chemical Society p. 341 - 348 (1987)

Update date:2022-08-03

Topics:

Authors:

Crossley, Maxwell J.

Field, Leslie D.

Forster, Adrienne J.

Harding, Margaret M.

Sternhell, Sever

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Article abstract of DOI:10.1021/ja00236a008

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

Full text of DOI:10.1021/ja00236a008

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