1: sodium; isoamyl alcohol 2: concentrated sulfuric acid View Scheme

in diethyl ether

sodium hydroxide; sodium iodide T=30°C; electrolysis; C-anode, Fe-cathode; constant current density 110 mA/cm2; other mediator (NaBr); indirect electrochemical oxidation of cyclic ketones; influence of ring size, mediator and supporting electrolyte on product distribution; Product distribution;

Yield given. Multistep reaction;

[FeII(N,N'-(bis(2-pyridylmethyl)-(S,S)-2,2'-bipyrrolidine))(CH3CN)2](SbF6)2; dihydrogen peroxide; acetic acid in acetonitrile T=25°C; 0.5 h; regioselective reaction;

1.1: iPr2NH; nBuLi; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone / tetrahydrofuran / 2 h / -78 °C 1.2: tetrahydrofuran 2.1: LiAlH4 / tetrahydrofuran / Heating 3.1: PCC; Celite / CH2Cl2 4.1: tetrahydrofuran / 2 h / 0 °C 5.1: 96 percent / PCC; Celite / CH2Cl2 / 20 °C 6.1: 83 percent / dimethylformamide / 48 h / 150 °C 7.1: 89 percent / KOH / ethanol; H2O / 72 h / Heating 8.1: diethyl ether 9.1: Irradiation View Scheme

benzeneselenenyl chloride; dihydrogen peroxide; acetic acid; lithium diisopropyl amide 1) THF, 0 deg C, 4 h, 2) THF, water, r.t., overnight; Yield given. Multistep reaction;

[FeII(N,N'-(bis(2-pyridylmethyl)-(S,S)-2,2'-bipyrrolidine))(CH3CN)2](SbF6)2; dihydrogen peroxide; acetic acid in acetonitrile T=25°C; 0.5 h; regioselective reaction;