A compound represented by the following general formula (I) or a salt thereof:
[wherein R
1
and R
2
represent hydrogen atom, a C
1-6
alkyl group, or a group represented by the following formula (A):
[wherein X
1
and X
2
represent hydrogen atom, or a group represented as —N(R
3
)(R
4
) (R
3
and R
4
represent hydrogen atom, a C
1-6
alkyl group, a C
1-6
alkylcarbonyl group, or a C
1-6
alkyloxycarbonyl group); and n represents an integer of
1
to
6
], provided that R
1
and R
2
do not simultaneously represent hydrogen atom), which is a novel luciferin derivative that serves as a luciferase substrate.
由以下一般式(I)表示的化合物或其盐:[其中R1和R2代表氢原子,C1-6烷基或由以下式(A)表示的基团:[其中X1和X2代表氢原子或表示为—N(R3)(R4)的基团(R3和R4代表氢原子,C1-6烷基,C1-6烷基羰基基团或C1-6烷氧羰基基团);n表示1到6的整数],但R1和R2不能同时表示氢原子),这是一种作为
荧光素酶底物的新型
荧光素衍
生物。