The present invention relates to a compound represented by Formula (I):
(wherein Ar
1
represents an imidazolyl group which may be substituted with 1 to 3 substituents; Ar
2
represents a pyridinyl group, a pyrimidinyl group, or a phenyl group which may be substituted with 1 to 3 substituents; X
1
represents (1) —C≡C— or (2) a double bond etc. which may be substituted; R
1
and R
2
represent, for example, a C1-6 alkyl group or C3-8 cycloalkyl group which may be substituted)
or a pharmacologically acceptable salt thereof and to the use thereof as pharmaceutical agents. The object of the present invention is to find a therapeutic or preventive agent for diseases caused by Aβ. According to the present invention, a therapeutic or preventive agents for diseases caused by Aβ can be provided.
The present invention relates to a compound represented by Formula (I):
(wherein Ar
1
represents an imidazolyl group which may be substituted with 1 to 3 substituents; Ar
2
represents a pyridinyl group, a pyrimidinyl group, or a phenyl group which may be substituted with 1 to 3 substituents; X
1
represents (1) —C≡C— or (2) a double bond etc. which may be substituted; R
1
and R
2
represent, for example, a C1-6 alkyl group or C3-8 cycloalkyl group which may be substituted) or a pharmacologically acceptable salt thereof and to the use thereof as pharmaceutical agents.
The present invention relates to a process for preparing a compound of formula (6a):
wherein Ar
1
represents an imidazolyl group which may be substituted with 1 to 3 substituents shown below; Ar
2
represents a pyridinyl group, a pyrimidinyl group or a phenyl group which may be substituted with 1 to 3 substituents; and R
11
represents a group selected from certain substituents.
A compound represented by Formula (I) is provided:
wherein Ar
1
represents an imidazolyl group which may be substituted with 1 to 3 substituents; Ar
2
represents a phenyl group which may be substituted with 1 to 3 substituents; X
1
represents (1) —C≡C— or (2) a double bond etc., which may be substituted; R
1
and R
2
represent, for example, a C1-6 alkyl group which may be substituted, or a pharmacologically acceptable salt thereof and to the use thereof as pharmaceutical agents.
The disclosure generally relates to compounds of formula I, including their salts, as well as compositions and methods of using the compounds. The compounds are ligands of the NR2B receptor and may be useful for the treatment of various disorders of the central nervous system.