PdII insertion-triggered meso-carbon extrusion of N-fused pentaphyrin to form N-fused sapphyrin PdII complexes

Akito Nakai; Tomoki Yoneda; Takayuki Tanaka; Atsuhiro Osuka

doi:10.1039/d1cc00518a

Pd^II insertion-triggered meso-carbon extrusion of N-fused pentaphyrin to form N-fused sapphyrin Pd^II complexes

Chem Commun (Camb). 2021 Mar 25;57(24):3034-3037. doi: 10.1039/d1cc00518a. Epub 2021 Feb 24.

Authors

Akito Nakai¹, Tomoki Yoneda, Takayuki Tanaka, Atsuhiro Osuka

Affiliation

¹ Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan. taka@kuchem.kyoto-u.ac.jp osuka@kuchem.kyoto-u.ac.jp.

PMID: 33624682
DOI: 10.1039/d1cc00518a

Abstract

meso-Carbon extrusion of N-fused [22]pentaphyrin(1.1.1.1.1) occurred upon its Pd^II complexation, giving N-fused [22]pentaphyrin (1.1.1.1.0) ([22]sapphyrin) Pd^II complexes 5 and 6 as 22π aromatic compounds. Oxidation of 5 with DDQ and Sc(OTf)₃ gave directly C-N linked dimer 7.