Chiral tetradentate ligand, method for producing same and transition metal complex of said chiral tetradentate ligand

A compound represented by the following general formula (1A):

• wherein in the formula (1A), a solid line represents a single bond, a double line represents a double bond, C represents a carbon atom, H represents a hydrogen atom, N represents a nitrogen atom, and G represents a group selected from the group consisting of a monovalent group represented by the following general formula (GP):
• wherein in the formula (GP), a solid line represents a single bond, a broken line represents a coordinate bond, a solid line intersected with a wavy line represents a bond to a carbon atom, P represents a phosphorus atom, BH3 represents a boron trihydride, a subscript n represents a coordination number of BH3 to P and indicates an integer value of 0 or 1, R1 and R2 each independently represent a group selected from the group consisting of an alkyl group, a cycloalkyl group, an alkenyl group which may have a substituent, an aryl group which may have a substituent, a heteroaryl group which may have a substituent, and an aralkyl group which may have a substituent, and R1 and R2 bond to each other to form a ring which may have a substituent;
• and a monovalent group represented by the following general formula (GS):
• wherein in the formula (GS), a solid line represents a single bond, a solid line intersected with a wavy line represents a bond to a carbon atom, S represents a sulfur atom, R3 represents a group selected from the group consisting of an alkyl group, an alkenyl group which may have a substituent, an aryl group which may have a substituent, a heteroaryl group which may have a substituent, and an aralkyl group which may have a substituent;
• and wherein R4, R5, R6, R7, R8, R9, R10, R11, and R12 each independently represent a hydrogen atom or a group selected from the group consisting of an alkyl group, an alkenyl group, an aryl group, an aralkyl group, an alkoxy group, a halogeno group, and a halogenoalkyl group.