Table 1.

Photophysical data for 3a–3e.

Compound	Absorbance [nm][a]	ε [m−1cm−1][a]	Emission [nm]	Φpl
3a	287	8126	436[b]	0.03[b]
3b	292	21 869	448[b]	0.86[b]
			360[a]	0.06[a]
			382[c]	0.17[c]
3c	286	8624	469	0.30[b]
3d	287	12713	527	0.11[b]
3e	283	21 303	N/A	N/A

^[a]In CH₂Cl₂ (10⁻⁵m).

^[b]Solid-state emission.

^[c]In MeCN (10⁻⁵m).

N/A = not applicable.