Synthesis of 5,15-diarylporphyrins via orthoesters condensation with aryldipyrromethanes
摘要:
General access to 5,15-diarylporphyrins in two steps is described. Generalization of this approach to tetra-substituted porphyrins allows the reproducible preparation of compounds, in some cases with high yields for porphyrins, which can be used in photodynamic therapy (PDT) in cancer today. (C) 2011 Published by Elsevier Ltd.
The reaction of N-tosyl imines with heteroaromatic compounds: a new access to triheteroarylmethanes
作者:Baris Temelli、Dilek Isik Tasgin、Canan Unaleroglu
DOI:10.1016/j.tet.2010.06.070
日期:2010.8
Useful triheteroarylmethanes were prepared by the double Friedel–Crafts reaction of a wide variety of aromatic N-tosyl imines with furan, thiophene, and pyrrole in the presence of Cu(OTf)2 and Montmorillonite K-10 clay catalysts.