申请人:NAGANO Tetsuo
公开号:US20080261314A1
公开(公告)日:2008-10-23
A compound represented by the following general formula (I) or a salt thereof:
wherein R
1
represents hydrogen atom, an alkyl group, an alkoxy group, or hydroxy group; R
2
represents a group represented by the following formula (A):
wherein X
1
to X
4
represent hydrogen atom, an alkyl group, or 2-pyridylmethyl group, and m and n represent 0 or 1; Y represents a single bond or —CO—; R
3
represents a carboxy-substituted aryl group, a carboxy-substituted heteroaryl group, benzothiazol-2-yl group, or 5-oxo-2-thioxo-4-imidazolyzinylidenmethyl group], and a fluorescent probe for zinc which comprises said compound or a salt thereof.