Table 1.

Anti-proliferative effect of compounds on SH-SY5Y cells^a.

Compound	SH-SY5Y (GI50; μM)	Compound	SH-SY5Y (GI50; μM)
5	60 ± 1.5	13	>100
6a	58.3 ± 10.8	14a	>100
6b	38.1 ± 0.2	14b	28.2 ± 0.75
6c	54.7 ± 0.95	14c	34.6 ± 0.6
6d	26.8 ± 1.35	14d	20.7 ± 1.0
9a	25.7 ± 0.05	17a	17.5 ± 0.35
9b	2.01 ± 0.33	17b	21.4 ± 1.65
SAHA	2.90 ± 0.28

^aCytotoxicity on SH-SY5Y neuroblastoma cell line (72 h). Data are expressed as the mean ± SD (n = 4).