The FT-IR absorption spectra of (–)-poly1 and (+)-poly2 are shown in Figure 1. Intense absorption bands corresponding to C–O–C as an ether stretching were observed at 1,245 cm–1 for (–)-poly1 and 1,244 cm–1 for (+)-poly2, respectively. The polymers show absorption bands at 1,602 cm–1 due to C=C vibrations of a quinonoid isothianaphthene unit