Synthesis of fully fused tetrapyrazinoporphyrazine polymers bearing three-dimensional structures controlled by steric repulsion

Kosuke Watanabe; Teruki Toya; Yuto Toyota; Yoichi Kobayashi; Junichi Usuba; Yuh Hijikata; Ryotaro Matsuda; Katsuyuki Nishimura; Haruki Sugiyama; Yasutomo Segawa

doi:10.1039/D4CC06293K

Synthesis of fully fused tetrapyrazinoporphyrazine polymers bearing three-dimensional structures controlled by steric repulsion†

Kosuke Watanabe,

^ab Teruki Toya,^c Yuto Toyota,^c Yoichi Kobayashi,

^c Junichi Usuba,^d Yuh Hijikata,

^d Ryotaro Matsuda,^de Katsuyuki Nishimura,^ab Haruki Sugiyama^abf and Yasutomo Segawa

*^ab

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* Corresponding authors

^a Institute for Molecular Science, Myodaiji, Okazaki, Japan
E-mail: segawa@ims.ac.jp

^b The Graduate University for Advanced Studies, SOKENDAI, Myodaiji, Okazaki, Japan

^c Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan

^d Research Center for Net Zero Carbon Society, Institute of Innovation for Future Society, Nagoya university, Nagoya, Japan

^e Department of Chemistry and Biotechnology, School of Engineering, and Department of Materials Chemistry, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya, Japan

^f Neutron Industrial Application Promotion Center, Comprehensive Research Organization for Science and Society, Tokai, Ibaraki 319-1106, Japan

Abstract

The synthesis and characterization of fused aromatic networks composed of zinc tetrapyrazinoporphyrazines are reported. The steric repulsion of bulky substituents induced the formation of three-dimensional structures. Thus-obtained insoluble polymers adsorbed CO₂ and had near-infrared absorption indicating their porosity and extended π-conjugation.

Chemical Communications

Synthesis of fully fused tetrapyrazinoporphyrazine polymers bearing three-dimensional structures controlled by steric repulsion†

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Synthesis of fully fused tetrapyrazinoporphyrazine polymers bearing three-dimensional structures controlled by steric repulsion

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