An aminoalcohol is synthesized by reacting a cyclic hemiacetal expressed by Formula 1
(where n is 0 or 1; R1 and R2 are each a hydrogen atom, a monovalent saturated hydrocarbon group which is optionally substituted, or a monovalent aromatic group which is optionally substituted, or R1 and R2 are bonded together into a divalent saturated hydrocarbon group which is optionally substituted; and R3, R4, and R5 are each a hydrogen atom, a monovalent saturated hydrocarbon group which is optionally substituted, or a monovalent aromatic group which is optionally substituted), with hydrogen and any one of ammonia, a primary amine and secondary amine in the presence of a hydrogenation catalyst.