The present invention provides a novel isoquinoline-6-sulfonamide derivative that is useful as a medicine. The present invention provides an isoquinoline-6-sulfonamide derivative represented by Formula (1), a salt thereof, or a solvate of the derivative or the salt, wherein R1 and R2 each independently represent a hydrogen atom, or the like; R3 and R4 each independently represent a hydrogen atom, an alkyl group, or the like; R5 represents a hydrogen atom, an optionally substituted alkyl group, an optionally substituted alkenyl group, an optionally substituted alkynyl group, an optionally substituted cycloalkyl group, an optionally substituted alkanoyl group, or the like; and A represents a linear or branched alkylene group having 2 to 6 carbon atoms.
The present invention provides a novel isoquinoline-6-sulfonamide derivative that is useful as a medicine. The present invention provides an isoquinoline-6-sulfonamide derivative represented by Formula (1), a salt thereof, or a solvate of the derivative or the salt, wherein R
1
and R
2
each independently represent a hydrogen atom, or the like; R
3
and R
4
each independently represent a hydrogen atom, an alkyl group, or the like; R
5
represents a hydrogen atom, an optionally substituted alkyl group, an optionally substituted alkenyl group, an optionally substituted alkynyl group, an optionally substituted cycloalkyl group, an optionally substituted alkanoyl group, or the like; and A represents a linear or branched alkylene group having 2 to 6 carbon atoms.