1: dimethylformamide / 20 h / 65 °C 2: 1.4 g / KOH / ethanol / 10 h / Heating 3: 90 percent / LiAlH4 / diethyl ether / Ambient temperature View Scheme

(i) Me3N, AgO, (ii) (pyrolysis); Multistep reaction;

1: (i) Mg, Et2O, (ii) /BRN= 635680/ View Scheme

1.1: sodium iodide / acetone / 3 h / Reflux 2.1: n-butyllithium / tetrahydrofuran; N,N,N',N',N'',N''-hexamethylphosphoric triamide; hexane / 0.17 h / -50 - -40 °C / Inert atmosphere 2.2: -40 - 20 °C 3.1: palladium 10 on activated carbon; hydrogen / ethyl acetate / 3 h / 20 °C View Scheme