As indicated above, compounds 3
and 4 showed, high activity against sucrase and maltase,
like 2. However, each of these compounds showed less
than 40% inhibition against the other glycosidases
such as isomaltase, b-glucosidase, a-mannosidase,
a-galactosidase, b-galactosidase, and porcine pancreatic
a-amylase.