H. Nakagawa, T. Nagano, T. Higuchi
May 23, 2001
Citations
0
Influential Citations
14
Citations
Journal
Organic letters
Abstract
[see structure]. 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.