Organic letters
Steric Effects of β-Annulated Pyrroles Trigger the Formation of Ethynylene-Bridged Hexaphyrinogen versus Ethynylene-Cumulene-Linked Aromatic [30] π Hexaphyrin.
Sumit Sahoo, Daniel Blasco, Pallab Chatterjee, Dage Sundholm, Harapriya Rath
Published: 202510.1021/acs.orglett.5c02651
Abstract
Peripherally constraining macrocycles using arene-annulated pyrrole rings, the first solid-state structural isolation of a stereoselective αααα conformer of core-modified hexaphyrinogen with phenanthrene-fused pyrrole rings versus visible-NIR absorpt…
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