Patent Number: 8,088,924

Title: Pyridone derivatives having a binding activity to the cannabinoid type 2 receptor

Abstract: It was found that the compound having a binding activity to the cannabinoid type 2 receptor represented by the formula (I): ##STR00001## wherein R.sup.1 is a group represented by the formula: --Y.sup.1--Y.sup.2--Y.sup.3--R.sup.a wherein Y.sup.1 is single bond or the like; Y.sup.2 is --C(.dbd.O)--NH-- or the like; Y.sup.3 is optionally substituted aryl or the like; R.sup.2 is hydrogen or the like; R.sup.3 is alkyl or the like; R.sup.4 is alkyl or the like; R.sup.5 is optionally substituted alkyl or the like; or R.sup.3 and R.sup.4 taken together with the adjacent atom form cyclic group or the like.

Inventors: Tada; Yukio (Osaka, JP), Iso; Yasuyoshi (Osaka, JP), Hanasaki; Kohji (Osaka, JP)

Assignee: Shionogi & Co., Ltd.

International Classification: C07D 215/38 (20060101)

Expiration Date: 2020-01-03 0:00:00