1.1: NaH / dimethylformamide; benzene / 2 h / 20 °C 1.2: 73 percent / dimethylformamide; benzene / 16 h / 20 °C 2.1: 88 percent / 2,2-bis(tert-butylperoxy)butane; tri-tert-butoxysilanethiol / octane / 2.67 h / Heating View Scheme