Patent ID: 8859771
Filing Date: 2014-10-14
Classification: C07F,H04W

Abstract:
1. A method of preparing an organic electroluminescent compound containing Iridium, wherein said method comprises the following steps: S1: under an oxygen-free atmosphere, compound A of structural formula and Iridium trichloride trihydrate in a molar ratio of 3:1 to 5:1 are added to the first organic solvent, and dissolved to react in the formation of double-bridged compound B of structural formula wherein, R is C 1 ˜C 4 alkyl; S2: under an oxygen-free atmosphere, said double-bridged compound B and 2-pyridinecarboxylic acid in a molar ratio of 1:2.5 to 1:3.5 are added to the second organic solvent to undergo ligand exchange in the formation of said organic electroluminescent compound containing Iridium of structural formula