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Boron(III) Induced Skeletal Rearrangement of Hexaphyrin(1.1.1.1.1.1) to Hexaphyrin(2.1.1.0.1.1)

✍ Scribed by Kohei Moriya; Shohei Saito; Atsuhiro Osuka

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
609 KB
Volume
122
Category
Article
ISSN
0044-8249

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## Abstract Treatment of hexakis(pentafluorophenyl)‐substituted [26]hexaphyrin(1.1.1.1.1.1) (**1**) with CuCl in the presence of pyridine and molecular oxygen led to formation of doubly N‐confused [26]hexaphyrin(1.1.1.1.1.1) **2** in a moderate yield through an unprecedented double pyrrolic rearran

meso-Aryl-Substituted [26]Hexaphyrin(1.1
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CH 2 Cl 2 which contained 2 (107 mg, 24 %). The first eluted fraction from the alumina column was further purified by column chromatography on silica gel using a mixture of CH 2 Cl 2 /hexane as eluent to give a green fraction of 3 (38 mg, 8.5 %; see Table 1).