Chemical communications (Cambridge, England)
Nitrogen-centred helical acridiniums with a 6-7-6-6 fused ring skeleton.
Shuto Nakamura, Soki Kawaguchi, Yuta Nishimura, Takashi Harimoto, Jun-Ya Hasegawa, Takanori Suzuki, Yusuke Ishigaki
Published: 202610.1039/d5cc06029j
Abstract
Helical 6-7-6-6 fused acridiniums were synthesised via oxidative ring contraction of a helical azaheptalene. X-ray, spectroscopic, and theoretical studies revealed highly distorted, configurationally stable helicity with long-wavelength absorption an…
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