Pub No:
293
Title:
An Improved Synthesis of Monoazaporphyrins
Authors:
Singh, J.P., Xie, L.Y., and David Dolphin
Journal:
Tetrahedron Lett.
Year:
1995
Pages:
36(10), 1567-1570
Abstract:
Cyclization of tetrapyrrolic 1,19-dibromo-1,19-dideoxybiladiene-ac dihydrobromides with sodium azide was dramatically improved by application of a phase transfer agent to give nearly quantitative yields of monoazaporphyrins.

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