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Synthesis of 5,10,15,20-Tetrakis(4-tert- butyl-2,6-dicarboxyphenyl)porphyrin: A Versatile Bis-Faced Porphyrin Synthon for D4-Symmetric Chiral Porphyrins

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journal contribution
posted on 23.05.2001, 00:00 authored by Hiroshi Nakagawa, Tetsuo Nagano, Tsunehiko Higuchi
A versatile bis-faced porphyrin synthon, 5,10,15,20-tetrakis(4-tert-butyl-2,6-dicarboxyphenyl)porphyrin, was synthesized. The eight carboxyl groups were readily converted into various amide groups, and condensation with chiral amines led to various D4-symmetric chiral porphyrins with rigid structures.

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