Pub No:
13
Title:
The Base- catalysed Cyclisations of 1,19-Dideoxybiladienes-ac
Authors:
David Dolphin, Johnson, A.W., Leng, J., and van den Broek, P.
Journal:
J. Chem. Society Section C: Organic
Year:
1966
Pages:
(9) 880-884
Abstract:
Evidence from visible and N.M.R. spectra for the acidity of the C-10 protons in 1,19-dideoxybiladienes-ac (I) is presented. The cyclization of the 1,19-diunsubstituted 1,19-dideoxybiladienes-ac free bases to corroles is shown to proceed by a free-radical mechanism, and to differ from the mechanism of cyclization of the corresponding metal complexes.

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