Acetic acid (1S,2R,6S,7R,8S,9R)-9-cyano-9-(dimethoxy-phosphoryl)-4,4-dimethyl-3,5-dioxa-tricyclo[5.2.1.02,6]dec-8-yl ester 在
sodium tetrahydroborate 、
potassium carbonate 作用下,
以
甲醇 为溶剂,
以4%的产率得到[Cyano-((3aS,4R,6R,6aR)-6-hydroxymethyl-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-yl)-methyl]-phosphonic acid dimethyl ester