calcium trifluoromethane sulfonate in acetonitrile T=20°C; 24 h;

T=80°C; 24 h;

1: (Tributylstannyl)methyl methanesulfonate; N-Benzylbenzylamine in acetonitrile T=50°C; 24 h; 2: With n-butyllithium in tetrahydrofuran; hexane T=-45°C; 0.25 h; Inert atmosphere; 3: benzaldehyde in tetrahydrofuran; hexane T=-45°C;

aluminum isopropoxide; isopropyl alcohol