Compound, active energy ray curable composition, cured article thereof, printing ink, and inkjet recording ink

A compound to be obtained through Michael addition reaction of an α-aminoacetophenone skeleton-containing compound (I) having a function as a Michael addition donor represented by the following general formula (1), and a reactive compound (II) having a function as a Michael acceptor:

• wherein R1 represents an aliphatic group or an aryl group,
• R2 to R3 each independently represent an aliphatic group or an aryl group,
• R2 and R3 may together form a ring,
• R4 to R7 each independently represent a hydrogen atom, an aliphatic group or an aryl group,
• X1 represents a single bond or a linear or branched alkylene group having 1 to 6 carbon atoms,
• X2 represents a carbonyl group or a thiocarbonyl group,
• Y1 represents a group represented by the following general formula (2), general formula (3) or general formula (4), and Y2 represents a group represented by the following general formula (2) or general formula (3), provided that when Y1 and Y2 both have a structure represented by the general formula (2), X5 in at least one of them is —NH—;
• wherein X3 and X4 each independently represent a linear or branched alkylene or oxyalkylene group having 2 to 6 carbon atoms, and X5 represents a single bond, —O— or —NH—;
• wherein X6 represents a substituted or unsubstituted, linear or branched alkylene or oxyalkylene group having 2 to 6 carbon atoms, and R8 and R9 each independently represent an aliphatic group or an aryl group;
• and
• wherein R10 and R11 each independently represent an aliphatic group or an aryl group.