Patent ID: 8859785

Claim:
A compound having the following formula: where R 1 -R 16 are each individually acyl; formyl; amido; nitro; H; C 1 -C 10 primary, secondary or tertiary alkyl; C 1 -C 10 alkoxy; alkylamine; C 1 -C 10 alkyl functionalized with a heteroatom substituted ring structure selected from the group consisting of imidazole, pyrrole, pyridine, furan, pyrimidine, pyrazole; C 1 -C 10 alkyl functionalized with an amide group; C 1 -C 10 alkyl functionalized with an ester group and mixtures thereof; wherein (L) is a neutral ligand individually selected from the group consisting of aliphatic C 1 -C 20 ether or polyether; crownether; amine; poly amine; amide; poly amide; ester; polyester; aromatic ether; aromatic ester; aromatic amide; aromatic amine; pyridine; imidazole; pyridine; pyrazine; furan; pyrrole and mixtures thereof; M 2 and M 3 are individually selected from the group consisting of Ba, Sr, Ca, Ra or Mg; and each n independently=0-4.