(chloromethyl)dimethylsilane in ethanol T=20 - 23°C; 0.666667 - 1.83333 h; Acidic conditions;

1: (+)-artemisin With β-D-galactose in ethanol T=20 - 23°C; 1.58333 h; 2: 3-oxo-8α-hydroxy-6,11β,7αH-eudesm-4-en-6,12-olide With (chloromethyl)dimethylsilane in ethanol 2 h; Acidic conditions;