Patent ID: 8329930

Claim:
An aluminum complex represented by the following general formula (1′): [Al 2 (L 1 ) n (L 2 ) 3-n ] m (1′) wherein in the formula (1′), n represents an integer of 2 or 3; m represents a natural number; L 1 represents a ligand represented by the following formula (2′); and L 2 represents a ligand represented by the following formula (3′): wherein in the formula (2′), R 1 , R 2 , R 3 , R 1′ , R 2′ and R 3′ independently represent a hydrogen atom, a halogen atom, a hydroxyl group, a saturated or unsaturated carbon chain, an optionally substituted aryl group, an optionally substituted heterocyclic group, an alkoxy group, an aryloxy group, an aralkyloxy group, a carboxyl group which may be protected by a protecting group, an amino group, a substituted amino group, a nitro group, an acyl group, a substituted silyl group or a polymer chain; R 4 and R 4′ independently represent a hydroxyl group, a halogen atom, a saturated or unsaturated carbon chain, an optionally substituted aryl group, an optionally substituted heterocyclic group, an alkoxy group, an aryloxy group, an aralkyloxy group, a carboxyl group which may be protected by a protecting group, an amino group, a substituted amino group, an acyl group, a substituted silyl group or a nitro group; and R 1 and R 2 , R 2 and R 3 , R 3 and R 4 , R 4 and R 4′ , R 4′ and R 3′ , R 3′ and R 2′ , or R 2′ and R 1′ may bind to each other to form a ring, and wherein in the formula (3′), R 5 , R 6 , R 7 , R 8 , R 5′ , R 6′ , R 7′ and R 8′ independently represent a hydrogen atom, a hydroxyl group, a halogen atom, a saturated or unsaturated carbon chain, an optionally substituted aryl group, an optionally substituted heterocyclic group, an alkoxy group, an aryloxy group, an aralkyloxy group, a carboxyl group which may be protected by a protecting group, an amino group, a substituted amino group, a nitro group, an acyl group, a substituted silyl group or a polymer chain; and R 5 and R 6 , R 6 and R 7 , R 7 and R 8 , R 8 and R 8′ R 8′ , and R 7 , R 7′ and R 6′ , or R 6′ and R 5′ may bind to each other to form a ring.