2,2-Dimethyl-propionic acid (R)-3-((1S,2R,3R,4S,5R)-3-hydroxy-2-methyl-6,8-dioxa-bicyclo[3.2.1]oct-4-yl)-2-methyl-propyl ester 在
咪唑 、
三氟化硼乙醚 、
calcium carbonate 、 mercury dichloride 作用下,
以
水 、
乙腈 为溶剂,
生成 2,2-Dimethyl-propionic acid (R)-3-[(3S,4R,5R,6S)-6-(tert-butyl-dimethyl-silanyloxymethyl)-2,4-dihydroxy-5-methyl-tetrahydro-pyran-3-yl]-2-methyl-propyl ester