((1S,4R,4aS,5R,8aR)-5-Hydroxy-8-oxo-1,4,4a,5,8,8a-hexahydro-1,4-methano-naphthalen-5-yl)-acetic acid ethyl ester 在
sodium tetrahydroborate 、 cerium(III) chloride 作用下,
以
甲醇 为溶剂,
以97%的产率得到ethyl 2-[(1R,2S,3R,6S,7R,8S)-3,6-dihydroxy-3-tricyclo[6.2.1.02,7]undeca-4,9-dienyl]acetate