Nafion-H T=135°C; 5 h;

1: 87 percent / 3-ClPhCO3H / CH2Cl2 / 90 h / 23 - 24 °C 2: 1) (t-BuO)2, HSiCl3, 2) 10percent NaOH, H2O / 1) 25 deg C, irradiation, 4.0 h, 2) CH2Cl2, 23-25 deg C, 48 h View Scheme

sodium hydroxide; di-tert-butyl peroxide; trichlorosilane; water 1) 25 deg C, irradiation, 4.0 h, 2) CH2Cl2, 23-25 deg C, 48 h; Yield given. Multistep reaction;