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Short Paper | Regular issue | Vol 96, No. 7, 2018, pp.1239-1247
Published online, 19th June, 2018
DOI: 10.3987/COM-18-13910
Synthesis of Bicyclo[2.2.2]octadiene-Fused Sapphyrins and Their Thermal Conversion

Tetsuo Okujima,* Toshiki Abe, Shigeki Mori, Takahiro Nakae, and Hidemitsu Uno

*Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan

Abstract

A series of sapphyrins fused with bicyclo[2.2.2]octadiene were successfully synthesized via [3+1+1] porphyrinoid synthesis. The retro DielsAlder thermal conversion afforded the corresponding di-, tri-, tetra-, and pentabenzosapphyrins.