potassium thioacyanate 、 (1R,2S,3S,4R,5R,6S,7R,9S,10R)-{6,7-anhydro-1,2,3,4-tetra-benzyloxy-9-[(1'S)-5,5-dimethyl-2,4-dioxolane-1'-yl]}decalin 在
磷酸 、
对苯二酚 作用下,
以
乙醚 、
水 为溶剂,
以93%的产率得到[(1S,2S,4S,4aR,5R,6S,7S,8R,8aR)-4-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-1-hydroxy-5,6,7,8-tetrakis(phenylmethoxy)-1,2,3,4,4a,5,6,7,8,8a-decahydronaphthalen-2-yl] thiocyanate