Synthesis and Biological Activity of Arylspiroborate Salts Derived from Caffeic Acid Phenethyl Ester

Table 1

Radical scavenging assay.

Compounds	IC50 (M) [SEM]
Zileuton	>100
CAPE (3)	16.51 [4]
4	9.57 [1.35]
5	15.31 [1.95]

Two independent experiments, each performed in duplicate.