Patent ID: 8163770
Filing Date: 2012-04-24
Classification: A61P,C07D

Abstract:
1. A compound of the formula (I): wherein: R R X is an oxygen atom; Y is a sulfanyl group, a sulfinyl group or a sulfonyl group; Ar represents a divalent group derived from a benzene ring, a pyridine ring, a pyrimidine ring, a pyrazine ring or a pyridazine ring by removing two hydrogen atoms therefrom (wherein the divalent group may be substituted with a halogen atom, a hydroxyl group, a lower alkoxy group, wherein the lower alkoxy group may be substituted with a halogen atom, a lower alkyl group, wherein the lower alkyl group may be substituted with a halogen atom); X X  wherein the point of attachment of group of the formula (III) is other than through the nitrogen atom, and wherein R X the formula (V): indicates a single bond or a double bond; or a pharmaceutically acceptable salt thereof.