1: With sodium iodide; Merrifield resin in water; N,N-dimethyl-formamide T=100°C; Solid phase reaction; 24 h; 2: With lithium borohydride in tetrahydrofuran T=20°C; Solid phase reaction; 5 h;

1: 1,3-benzodioxol-5-yl-lt;tetrahydro-2H-1,4-oxazin-4-ylgt;-methanethione With sodium iodide; Merrifield resin in water; N,N-dimethyl-formamide T=100°C; Solid phase reaction; 24 h; 2: Bu2CuLi in tetrahydrofuran T=-78°C; Solid phase reaction; 5 h;

sulfur 1 h; Heating;