Table 3.

Photophysical properties of macrocyclic pyrazolines^[a].

entry	pyrazoline	λabs (nm)	ε (M−1 cm−1)	λem (nm)[b]	φF[c]
1	2b	358	20,356	456	0.30
2	3b	364	10,190	466	0.35
3	4b[d]	348	1,702	468	0.35
4	5b[d]	348	830	464	0.17
5	6b	358	13,852	451	0.32
6	9b	376	19,440	477	0.25
7	10b	350	12,534	502	0.15

^[a]Compounds were dissolved in PBS:ACN (1:1) at the concentrations of 5 μM unless noted otherwise.

^[b]λ_ex = 348 nm.

^[c]Quantum yields were determined using DAPI as the standard (φ_F = 0.58 in DMSO).

^[d]20 μM concentrations were used.