Table 1.

Spectroscopic ^a and electrochemical ^b data for phenothiazine-based chemosensors 6–8.

	λmax (nm)	E°Ox1 (V)	E°Ox2 c (V)	E°Red (V)	E°Ox1ONSET (V)	E°RedONSET (V)	Egelec (eV)
6	410	0.90	1.51	−1.01	0.76	−0.94	1.70
7	514	0.85	1.51	−0.57	0.74	−0.47	1.21
8	531	0.84	1.50	−0.39	0.71	−0.27	0.98

^a 1.41 × 10⁻⁵ mol L⁻¹ in CH₃CN. ^b 10⁻³ M in nBu₄NPF₆ (0.1 M) in CH₃CN, scan rate 100 mV s⁻¹, E^° versus Ag/AgCl (0.1 M). ^c shoulder at 1.42 V.