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■ Conformational Control of a Pyrrole-Based Amide Pentamer by Dihydrogen Phosphate Anion Binding

Jiulong Li, Guoping Li,* Chaocao Lu, Bu Htan, Chunmiao Ma, and Quan Gan*

*School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China

Abstract

Conformational control is of importance for compounds to implement their properties and functions. In this work, a pyrrole-based amide pentamer 1 was synthesized. NOESY NMR experiments show it adopts two main conformations, one of which can be sorted out and stabilized via binding of a dihydrogen phosphate anion.