(3R,5S,6S)-3-(2-Benzyloxy-5-trifluoromethoxy-phenyl)-6-phenyl-7-(toluene-4-sulfonyl)-1-oxa-7-aza-spiro[4.5]dec-9-ene 在
palladium dihydroxide 氢气 作用下,
以
乙醇 为溶剂,
反应 18.0h,
以90%的产率得到2-[(3R,5R,6S)-6-Phenyl-7-(toluene-4-sulfonyl)-1-oxa-7-aza-spiro[4.5]dec-3-yl]-4-trifluoromethoxy-phenol