Catalyst composition containing phosphorous-based ligand and method for hydroformylation using same

A catalyst composition, comprising a monocoordinated phosphine ligand represented by Formula 1 below;

• a monocoordinated phosphine ligand represented by Formula 2 below;
• and a transition metal catalyst represented by Formula 3 below:
• wherein R1, R2 and R3 are each independently a C1 or C2 alkyl group or a C1 or C2 alkoxy group,
• wherein Z is a C5 to C10 cycloalkyl group, and
• M(L1)x(L2)y(L3)z [Formula 3]
• wherein M is one selected from the group consisting of cobalt (Co), rhodium (Rh), iridium (Ir), ruthenium (Ru), iron (Fe), nickel (Ni), palladium (Pd), platinum (Pt) and osmium (Os),
• L1, L2 and L3 are each independently one selected from the group consisting of hydrogen, carbonyl (CO), cyclooctadiene, norbornene, chlorine, triphenylphosphine (TPP), and acetylacetonato (AcAc), and
• x, y and z are each independently 0 to 5, but x, y and z are not simultaneously 0.