3-chloro-benzenecarboperoxoic acid T=0 - 20°C; 1.16667 h;

iodine; potassium hydroxide T=0 - 20°C;

1: With 3-chloro-benzenecarboperoxoic acid in methanol T=0 - 20°C; 5 h; 2: With calcium hydroxide powder in dichloromethane T=0°C; 0.5 h;

3-chloro-benzenecarboperoxoic acid T=0 - 20°C;

1.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 1 h / -70 °C 1.2: 18 h / -70 - 20 °C 2.1: (S)-3,3-diphenyl-1-methyltetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaborol; dimethylsulfide borane complex / tetrahydrofuran / 25 h / 40 °C / |Inert atmosphere 3.1: potassium tert-butylate / tetrahydrofuran / 0.75 h / 0 °C / |Inert atmosphere 3.2: 2.25 h / 0 - 20 °C 4.1: hydrogenchloride; water / tetrahydrofuran / 2.25 h / 0 - 3 °C View Scheme

tetrapropylammonium perruthennate; 4 A molecular sieve; 4-methylmorpholine N-oxide in dichloromethane 3 h;

1: 4,4-dimethoxytetrahydro-2H-pyran-3-ol With sodium hydride in tetrahydrofuran T=0°C; 1 h; 2: methyl iodide in tetrahydrofuran T=20°C; 3: With ammonium chloride in tetrahydrofuran; water

sodium hydride in tetrahydrofuran T=0°C;