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. Author manuscript; available in PMC: 2014 Jun 5.

Published in final edited form as: J Am Chem Soc. 2013 May 24;135(22):8213–8221. doi: 10.1021/ja403165u

Catalytic activity after filtration through Celite 535 using the following starting substrate: (A) cyclohexanone at t = 0.25 h and (B) cyclohexenone at t = 0.5 h. Reaction conditions: [substrate] = 1 M (0.5 mmol), [Pd(TFA)₂] = 0.05 M (0.025 mmol), [2-Me₂Npy] = 0.1 M (0.05 mmol), [TsOH] = 0.2 M (0.1 mmol), DMSO for V_Total of 0.5 mL, 1 atm O₂, 80 °C. Similar results with 200 nm PTFE filters and the control reaction in the presence of Celite without filtration (See Tables S2 and S3 for details.).

Catalytic activity after filtration through Celite 535 using the following starting substrate: (A) cyclohexanone at t = 0.25 h and (B) cyclohexenone at t = 0.5 h. Reaction conditions: [substrate] = 1 M (0.5 mmol), [Pd(TFA)₂] = 0.05 M (0.025 mmol), [2-Me₂Npy] = 0.1 M (0.05 mmol), [TsOH] = 0.2 M (0.1 mmol), DMSO for V_Total of 0.5 mL, 1 atm O₂, 80 °C. Similar results with 200 nm PTFE filters and the control reaction in the presence of Celite without filtration (See Tables S2 and S3 for details.).