1.1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / 20 °C 1.2: 16 h / 50 °C 2.1: water; potassium hydroxide / tetrahydrofuran; methanol; mineral oil / 20 °C / Reflux 2.2: 20 °C 3.1: hydroxylamine hydrochloride; sodium acetate / methanol / 40 h / 80 °C 4.1: triethylamine / dichloromethane / 15 h / 0 - 20 °C 5.1: tris-(dibenzylideneacetone)dipalladium(0); triethylamine; P(3,5-2F3C-C6H3)3 / N,N-dimethyl-formamide / 1 h / 120 °C / Inert atmosphere View Scheme

N,N,N',N',N'',N''-hexamethylphosphoric triamide; zinc 1.) THF, 2.) 8 h, room temp.; Yield given. Multistep reaction;

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