Table 2. The ef data for the fluorescent responses of (S)-3 (5.0 × 10^–5 M) + Zn(ii) (1.0 × 10^–4 M) in CH₂Cl₂ toward various amino alcohols.

Amino alcohol	ef at two amino alcohol concentrations
	5.0 × 10–5 M	1.0 × 10–4 M
7	1.3	1.2
8	1.5	1.3
9	1.3	1.1
10	1.3	1.4
11	1.5	1.5