Leached as a function of time

Figure 6. Cumulative fraction leached as a function of time—top glass section...

Activity and leaching as a function of time. All determinations of the Pd concentration in solution described above were performed after hot filtration of the solid catalyst from the reaction mixture at the end of the reaction. However, in order to gain insight into how the catalytic reaction proceeds on a molecular level, if is important to look at the Pd concentration in solution during the reaction at a given time and correlate this with the corresponding catalytic activity. 

Figure 2 investigation of activity and Pd leaching as a function of time Heck coupling of bromobenzene with styrene reaction conditions bromobenzene (200 mmol), styrene (300 mmol), sodium acetate (240 mmol), 1.0 mol% Pd, catalyst 3W, DM Ac (200 mL) T = 140 °C styrene was added last after catalyst, solvent, and bromo benzene had reached 140 °C. 

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See also in sourсe #XX -- [ ]

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