Table 2. Overview of photoswitch characteristics.

Entry	Switch	t1/2	λmax (nm)	PSS for irradiation at λ**
				365	430	590	White light
1	Azo 3	>8 h	360 (π–π*)	4:96	70:30	ND	77:23
			445 (n–π*)
2	Azo 4	180 s	434 (π–π*)	ND	ND	ND	ND
			374 (n–π*)
3	Azo 5	>8 h	320 (π–π*)	32:68†	82:18	ND	77:23
			436 (n–π*)
4	Azo 6	>8 h	348 (π–π*)	<3:97	69:31	ND	76:24
			444 (n–π*)
5	DASA 1	37 s	570	ND	ND	<20:80‡	<20:80‡
6	DASA 2	130 s	545	ND	ND	<20:80‡,§	<20:80‡

DASA, donor–acceptor Stenhouse adduct; ND, not determined; PSS, photostationary state.

^**Trans/cis

^†Same for 312 nm.

^‡Open/cyclized.

^§546 nm.