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Org Lett. 2009 Nov 5;11(21):4854-7. doi: 10.1021/ol902241u.

A soluble and stable quinoidal bisanthene with NIR absorption and amphoteric redox behavior.

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  • 1Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543.


A soluble and stable quinoidal bisanthene (3) was synthesized, and it exhibited high molar absorptivity in the near-IR spectral region. In addition, compound 3 also showed good electrochemical amphotericity with four reversible one-electron transfer steps. Compound 3 represents a rare example of soluble and stable pi-conjugated polycyclic hydrocarbons with quinoidal character.

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