in benzene 7 h; Irradiation;

in hexane; toluene T=-40°C; Addition; 16 h;

in benzene 7 h; Irradiation;

teilweise Verseifung;

1.1: 74 percent / CuCl / tetrahydrofuran / -78 - 25 °C 2.1: 94 percent / LiAlH4 / diethyl ether / Heating 3.1: 88 percent / KOH / tetrahydrofuran / 18 h / 0 °C 4.1: 90 percent / dimethylsulfoxide 5.1: 82 percent / aq. NaOH / methanol / Heating 6.1: 92 percent / Me3SiCl / 20 °C 7.1: O3 / CH2Cl2 / -78 °C 7.2: 64 percent / Me2S / CH2Cl2 / 4 h / 25 °C View Scheme

1.1: 75 percent / CuCl / diethyl ether; tetrahydrofuran / -78 - 25 °C 2.1: 93 percent / LiAlH4 / diethyl ether / 8 h / Heating 3.1: 64 percent / KOH / tetrahydrofuran / 72 h / 20 °C 4.1: 86 percent / dimethylsulfoxide / 20 h / 75 °C 5.1: 86 percent / aq. NaOH / methanol / 6 h / Heating 6.1: 91 percent / Me3SiCl / 24 h / 20 °C 7.1: O3 / CH2Cl2 / -78 °C 7.2: 65 percent / Me2S / CH2Cl2 / 20 h / 25 °C View Scheme

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