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Unexpected Intramolecular Cyclization of 2‐(Perfluoroalkyl)tetraarylporphyrin Radicals: Approaches for the Intramolecular Cyclization of 2‐(Perfluoroalkyl)tetraarylporphyrin Radicals
Author(s) -
Zeng Zhuo,
Liu Chao,
Jin LiMei,
Guo CanCheng,
Chen QingYun
Publication year - 2005
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.200400482
Subject(s) - chemistry , radical , intramolecular force , ring (chemistry) , medicinal chemistry , stereochemistry , organic chemistry
β‐(Perfluoroalkyl)tetraarylporphyrin radicals, generated by the reaction of I(CF 2 ) n X ( n = 2−5; X = I, Cl) with porphyrins in the presence of Na 2 S 2 O 4 /NaHCO 3 in DMSO/CH 2 Cl 2 or DMSO, undergo cyclizations at the ortho position of a neighbouring phenyl ring and/or adjacent pyrrolic unit to give five‐, six‐, seven‐, and eight‐membered fused porphyrins. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)