Figure 1.
UV–vis spectrum of (E)-1b in degassed DMSO (2.5 × 10–4 M) and spectra obtained upon 365 and 385 nm irradiation. The inset shows the absorption change (at 365 nm) upon multiple cycles.
UV–vis spectrum of (E)-1b in degassed DMSO (2.5 × 10–4 M) and spectra obtained upon 365 and 385 nm irradiation. The inset shows the absorption change (at 365 nm) upon multiple cycles.