(E)-2-{5-[2-(3,6-dihexylthieno[3,2-b]thiophen-2-yl)vinyl]-3,6-dihexylthieno[3,2-b]thiophen-2-yl}-N,N-bis(9,9-dimethyl-9H-fluoren-2-yl)benzo[b]thiophen-6-amine 、
N,N-二甲基甲酰胺 在
三氯氧磷 作用下,
以51%的产率得到(E)-5-[2-(5-{6-[bis(9,9-dimethyl-9H-fluoren-2-yl)amino]benzo[b]thiophen-2-yl}-3,6-dihexylthieno[3,2-b]thiophen-2-yl)vinyl]-3,6-dihexylthieno[3,2-b]thiophene-2-carbaldehyde