Laboratoire de Chimie Organo-Minérale, LC3 UMR 7177 du CNRS, Université de Strasbourg, Institut de Chimie, 4 rue Blaise Pascal, France
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New J. Chem., 2010,34, 1825-1829
01 Jun 2010,
11 Jun 2010
First published online
29 Jun 2010
A new catenane containing four Rh(III) porphyrins has been prepared following a three-step strategy: (i) Cu(I)-driven entwining of two free base porphyrin-bearing bidentate chelates, followed by (ii) insertion of rhodium in the porphyrin nuclei, and finally (iii) cyclisationvia the formation of N–Rh coordination bonds. Direct metalation of porphyrinic compounds with [Rh(CO)2Cl]2 was not met with success when the bidentate chelate used as a connector was metal free, thus making the Cu(I) protecting approach very attractive.
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