ANIONIC POLYMERIZATION INITIATOR HAVING ANIONIC TERMINAL COMPRISING AMINE GROUP, PRODUCTION METHOD FOR MODIFIED CONJUGATED DIENE-BASED COPOLYMER USING SAME, AND RUBBER COMPOSITION COMPRISING MODIFIED CONJUGATED DIENE-BASED COPOLYMER PRODUCED IN ACCORDANCE THEREWITH

Disclosed are an anionic polymerization initiator, which is an organo-alkali metal compound having an anionic end including an amine group, a method of preparing a modified conjugated diene-based polymer using the same, and a rubber composition including the modified conjugated diene-based polymer prepared thereby.