Synthesis and Structural Properties of NIR‐Absorbing Pyridine‐Containing Heptaphyrins
Abstract
Four examples of stable nonaromatic pyridine containing heteroheptaphyrins (pyrithiaheptaphyrins) 2-5 were synthesized in 8-13% yields by [5+2] condensation of newly synthesized pyridine-based pentapyrrane 8 and bithiophene diol 9 a-d. The X-ray crystallographic analysis of macrocycle 2 proved that the macrocycle assumes a highly planar structure with two inverted thiophene rings. The heteroheptaphyrins 2-5 are asymmetric and showed a greater...
Paper Details
Title
Synthesis and Structural Properties of NIR‐Absorbing Pyridine‐Containing Heptaphyrins
Published Date
Dec 9, 2021
Journal
Volume
17
Issue
2
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