in dichloromethane 20 h;

1: (3-N,N-di-n-butylamino)benzyltriphenylphosphonium chloride With sodium methylate in methanol T=60°C; 3 h; 2: 2-[(methoxymethyl)methyl]benzaldehyde in methanol Heating;

1.1: 85 percent / K2CO3 / dimethylformamide / 100 °C 2.1: 91 percent / LiAlH4 / diethyl ether 3.1: 79 percent / PCl5 / 1 h / 100 °C 4.1: 63 percent / toluene / 16 h / 110 °C 5.1: NaOMe / methanol / 3 h / 60 °C 5.2: 50 percent / methanol / Heating View Scheme

1.1: 63 percent / toluene / 16 h / 110 °C 2.1: NaOMe / methanol / 3 h / 60 °C 2.2: 50 percent / methanol / Heating View Scheme

1.1: 79 percent / PCl5 / 1 h / 100 °C 2.1: 63 percent / toluene / 16 h / 110 °C 3.1: NaOMe / methanol / 3 h / 60 °C 3.2: 50 percent / methanol / Heating View Scheme

1.1: 91 percent / LiAlH4 / diethyl ether 2.1: 79 percent / PCl5 / 1 h / 100 °C 3.1: 63 percent / toluene / 16 h / 110 °C 4.1: NaOMe / methanol / 3 h / 60 °C 4.2: 50 percent / methanol / Heating View Scheme