Gram-scale synthesis of nickel(II) norcorrole: The smallest antiaromatic porphyrinoid

Tomohiro Ito, Yosuke Hayashi, Soji Shimizu, Ji Young Shin, Nagao Kobayashi, Hiroshi Shinokubo

Research output: Contribution to journalArticlepeer-review

183 Citations (Scopus)


Small is beautiful: A ring-contracted sister of porphyrin, norcorrole, has been synthesized efficiently as a stable molecule by a nickel-templated strategy. The norcorrole complex is stable but exhibits a distinct antiaromatic character according to the Hückel rule. Oxidation of the norcorrole complex provides an aromatic oxacorrole complex.

Original languageEnglish
Pages (from-to)8542-8545
Number of pages4
JournalAngewandte Chemie - International Edition
Issue number34
Publication statusPublished - Aug 20 2012
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Catalysis
  • General Chemistry


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