Imidazole derivatives having an inhibitory activity for farnesyl transferase and process for preparation thereof

The present invention relates to a novel imidazole derivative represented by the following formula (1) which shows an inhibitory activity against farnesyl transferase: The present invention relates to a novel imidazole derivative represented by formula (1) which shows an inhibitory activity against farnesyl transferase or pharmaceutically acceptable salts or isomers thereof, in which A, nand Y are defined in the specification; to a process for preparation of the compound of formula (1); to intermediates which are used in the preparation of the compound of formula (1): and to a pharmaceutical composition comprising the compound of formula (1) as an active ingredient.