Abstract: The present invention provides a fused polycyclic compound of the following formula, analogues thereof and pharmaceutically acceptable salts thereof; and agents for increasing the sugar-transporting capacity, hypoglycemic agents and pharmaceutical compositions containing the above compounds. This fused polycyclic compound has high medicinal properties and few side-effects, and a therapeutic effect on diabetes. wherein R represents an alkoxy group, R? represents an oxazolylpropionyl group or a thiazolylpropionyl group, and R? represent a hydrogen atom.

Abstract: The present invention provides a fused polycyclic compound of the following formula, analogues thereof and pharmaceutically acceptable salts thereof; and agents for increasing the sugar-transporting capacity, hypoglycemic agents and pharmaceutical compositions containing the above compounds. This fused polycyclic compound has high medicinal properties and few side-effects, and a therapeutic effect on diabetes. wherein R represents an alkoxy group, R? represents an oxazolylpropionyl group or a thiazolylpropionyl group, and R? represent a hydrogen atom.

Abstract: The present invention provides a fused polycyclic compound of the following formula, analogues thereof and pharmaceutically acceptable salts thereof; and agents for increasing the sugar-transporting capacity, hypoglycemic agents and pharmaceutical compositions containing the above compounds. This fused polycyclic compound has high medicinal properties and few side-effects, and a therapeutic effect on diabetes. wherein R represents an alkoxy group, R? represents an oxazolylpropionyl group or a thiazolylpropionyl group, and R? represent a hydrogen atom.

Abstract: The following fused polycyclic compound, analogues thereof or pharmaceutically acceptable salts thereof have an effect of increasing the sugar-transporting capacity and an effect of lowering the blood glucose level and, therefore, they are useful for preventing and/or treating diabetes and the like. wherein R is a methoxy group, Y is a (2-thiazolyl)-2-ethylcarbonyl group, R10 and R13 are hydrogen atoms, and R11 and R12 are methyl groups.

Abstract: An agent for increasing the sugar-transporting capacity and an agent for preventing and/or treating diabetes, diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic macroangiopathy, impaired glucose tolerance or adiposis, which contains a lactam compound or a pharmaceutically acceptable salt thereof as the active ingredient.

Abstract: An agent for increasing the sugar-transporting capacity and an agent for preventing and/or treating diabetes, diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic macroangiopathy, impaired glucose tolerance or adiposis, which contains a lactam compound or a pharmaceutically acceptable salt thereof as the active ingredient.

Abstract: An agent for increasing the sugar-transporting capacity and an agent for preventing and/or treating diabetes, diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic macroangiopathy, impaired glucose tolerance or adiposis, which contains a lactam compound or a pharmaceutically acceptable salt thereof as the active ingredient.

Abstract: An agent for increasing the sugar-transporting capacity and an agent for preventing and/or treating diabetes, diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic macroangiopathy, impaired glucose tolerance or adiposis, which contains a lactam compound or a pharmaceutically acceptable salt thereof as the active ingredient.

Abstract: The following fused polycyclic compound, analogues thereof or pharmaceutically acceptable salts thereof have an effect of increasing the sugar-transporting capacity and an effect of lowering the blood glucose level and, therefore, they are useful for preventing and/or treating diabetes and the like. wherein R is a methoxy group, Y is a (2-thiazolyl)-2-ethylcarbonyl group, R10 and R13 are hydrogen atoms, and R11 and R12 are methyl groups.

Abstract: The present invention provides a fused polycyclic compound of the following formula, analogues thereof and pharmaceutically acceptable salts thereof; and agents for increasing the sugar-transporting capacity, hypoglycemic agents and pharmaceutical compositions containing the above compounds. This fused polycyclic compound has high medicinal properties and few side-effects, and a therapeutic effect on diabetes. wherein R represents an alkoxy group, R? represents an oxazolylpropionyl group or a thiazolylpropionyl group, and R? represent a hydrogen atom.

Abstract: An agent for increasing the sugar-transporting capacity and an agent for preventing and/or treating diabetes, diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic macroangiopathy, impaired glucose tolerance or adiposis, which contains a lactam compound or a pharmaceutically acceptable salt thereof as the active ingredient.

Abstract: An agent for increasing the sugar-transporting capacity and an agent for preventing and/or treating diabetes, diabetic peripheral neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic macroangiopathy, impaired glucose tolerance or adiposis, which contains a lactam compound or a pharmaceutically acceptable salt thereof as the active ingredient.