1.1: dichloromethane / 0.08 h / -78 °C / Inert atmosphere 1.2: -78 - 20 °C / Inert atmosphere 2.1: water; lithium chloride / dimethyl sulfoxide / 5 h / 185 °C / Inert atmosphere 3.1: cerium(III) chloride / tetrahydrofuran / 0 °C / Inert atmosphere 3.2: 0 - 20 °C / Inert atmosphere 3.3: Inert atmosphere 4.1: trifluoroacetic acid / dichloromethane / -78 - 20 °C / Inert atmosphere 5.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 2 h / 0 °C 6.1: palladium 10 on activated carbon; hydrogen / methanol / 1500.15 Torr 7.1: dibromo-difluoro-methane; tert-butyl alcohol / dichloromethane / 1.5 h / 60 °C / Inert atmosphere; Microwave irradiation View Scheme

benzyltriethylammonium permanganate in dichloromethane; acetic acid 2 h; Ambient temperature;

1.1: tetrahydrofuran; diethyl ether / 0 - 20 °C / Inert atmosphere 1.2: Inert atmosphere 2.1: trifluoroacetic acid / dichloromethane / -78 - 20 °C / Inert atmosphere 3.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 2 h / 0 °C 4.1: palladium 10 on activated carbon; hydrogen / methanol / 1500.15 Torr 5.1: dibromo-difluoro-methane; tert-butyl alcohol / dichloromethane / 1.5 h / 80 °C / Inert atmosphere; Microwave irradiation View Scheme