(R)-3-(1H-indol-3-yl)-N1,N1-dimethylpropane-1,2-diamine 、
2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl isothiocyanate 以
四氢呋喃 为溶剂,
以80%的产率得到(3R,5R,6R)-2-(acetoxymethyl)-6-(3-((R)-1-(dimethylamino)-3-(1H-indol-3-yl)propan-2-yl)thioureido)tetrahydro-2H-pyran-3,4,5-triyl triacetate