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Photochemical production of hydrogen from DMF solutions (10 mL) of NEt3 (1 M) and AcOH (0.1 M) catalyzed by DSi[Ir] (0.2 mM). Comparison with the multicomponent system consisting of DSi[I] (0.2 mM) and 2 equiv. of [Ir] (0.4 mM) is shown in the inset (colorless dots). In these experiments, one turnover corresponds to 2 μmol (48 μL) H2 evolved.
