2-Phenylbenzothiazole was used in the synthesis of two novel orange iridium(III) complexes, (bis[2-(biphenyl-3-yl)benzothiazole-N,C2′]iridium(III)(acetylacetonate) and bis[2-(4′-methoxybiphenyl-3-yl)benzothiazole-N,C2′]iridium(III) (acetylacetonate).