Table 1.

Selected electronic properties of (oligo)phenothiazinyl thioacetates 2 and 4 (absorption^a and emission spectra^a and cyclic voltammetry^b).

	Absorption λmax,abs (nm)	Emission λmax,em (nm)	Stokes shift Δ (cm−1)	E00/+1 (mV)	E0+1/+2 (mV)	E0+2/+3 (mV)
2a	266, 310	–	–	800	–	–
2b	264, 316	–	–	838	–	–
2c	276, 324, 366	–	–	668	853	–
2d	280, 326, 364	474	6400	608	765	876
2e	282, 326, 362	476	6600	597	690	842c
4	272, 326	–	–	875	–	–

^aRecorded in CH₂Cl₂.

^bRecorded in CH₂Cl₂, 20 °C, v = 100 mV/s, electrolyte: n-Bu₄N⁺PF₆⁻, Pt working electrode, Pt counter-electrode, Ag/AgCl reference electrode.

^cThe third and fourth oxidation waves coincide.