申请人:Takatoku Hiroko
公开号:US20130045177A1
公开(公告)日:2013-02-21
An excellent potential-dependent cation channel inhibitor or an excellent masking agent is provided. Disclosed is a method for inhibiting a potential-dependent cation channel or a method for masking olfaction, both of which include administering an adamantane derivate represented by the following formula (1) or a salt thereof [wherein R′ and R
2
are identical with or different from each other, and each represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; and X represents —OH, —R
3
—OH (wherein R
3
represents an alkylene group having 1 to 6 carbon atoms), —NH
2
, —R
4
—NH
2
(wherein R
4
represents an alkylene group having 1 to 6 carbon atoms), —COOH, —R
5
—COOH (wherein R
5
represents an alkylene group having 1 to 6 carbon atoms), —CO-R
6
(wherein R
6
represents an alkyl group having 1 to 6 carbon atoms), —CO—R
7
—COO—R
8
(wherein R
7
represents an alkylene group having 1 to 6 carbon atoms, and R
8
represents an alkyl group having 1 to 6 carbon atoms), or —NHCO—R
9
(wherein R
9
represents an alkyl group having 1 to 6 carbon atoms)].