Ligand compound, a preparation method thereof, a transition metal compound, and a preparation method thereof

A transition metal compound, represented by the following Chemical Formula 2:

• in Chemical Formula 2,
• n is an integer of 1 to 2;
• R1 to R16 are equal to or different from each other, and are independently hydrogen, a C1-C20 alkyl, a C1-C20 alkoxy, a C2-C20 alkenyl, a C6-C20 aryl, a C7-C20 alkylaryl, a C7-C20 arylalkyl, a C3-C20 cycloalkyl, a C5-C20 heteroring, or silyl, and 2 or more adjacent groups among R1 to R16 can be connected together via a C1-C20 alkyl group or a C6-C20 aryl group to form a ring;
• R17 is hydrogen, a halogen, a C1-C20 alkyl, a C6-C20 aryl, or a C1-C20 alkoxy;
• Q is carbon or silicon;
• M is a Group 4 transition metal;
• and
• X1 and X2 are equal to or different from each other, and are independently a halogen, a C1-C20 alkyl, a C2-C20 alkenyl, a C6-C20 aryl, a C7-C20 alkylaryl, a C7-C20 arylalkyl, a C1-C20 alkylamino, a C6-C20 arylamino, or a C1-C20 alkylidene group.