Photophysical divergence driven by π-spacer variations in the anthracene-cyanostilbene architecture.

A series of four anthracene-incorporated cyanostilbene derivatives with donor-π-acceptor (D-π-A) architectures was synthesized to investigate the effect of a phenyl π-spacer. Compounds without the spacer (2a, 2b) showed low quantum yields (ΦF = 0.05-…

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