1: cyclohexanone With potassium tert-butylate in tetrahydrofuran 0.25 h; Inert atmosphere; 2: 1-(tert-butylperoxy)-3-iodopropane in tetrahydrofuran Inert atmosphere;

silver trifluoroacetate in dichloromethane T=0°C; 0.0833333 h; Yield given;