| 摘要 |
The present invention relates to compounds represented by the following general formula (1): <CHEM> wherein A is a phenyl, naphthyl, dihydronaphthyl, indenyl, pyridyl, indolyl, isoindolyl, quinolyl or isoquinolyl group which may be substituted; X is a lower alkylene group which may be substituted, or the like; Y is a single bond or an alkylene group; Z is a group of -CH=CH-, -C IDENTICAL C-, -(CH=CH)2-, -C IDENTICAL C-CH=CH- or -CH=CH-C IDENTICAL C-, or the like; and R is a hydrogen atom, a lower alkyl group or the like, and medicines comprising such a compound. These compounds have an excellent inhibitory effect on the production of an IgE antibody and are hence useful as antiallergic agents and the like. |
