1: 2-Trimethylsilanyl-thiazole-5-carbaldehyde With hydrogenchloride in tetrahydrofuran; water T=20°C; 1.5 h; 2: (4-morpholinyl)methanone in hexanes; diethyl ether T=0°C;

hydrogenchloride in tetrahydrofuran 2 h; Ambient temperature; Yield given;