5-(dimethylamino)-N-(non-8-ynyl)naphthalene-1-sulfonamide 、 (3RS,5S)-3-{(13R)-13-tert-butyldiphenylsilyloxy-13-[(2R,5R)-5-formyltetrahydrofuran-2-yl]tridec-11-ynyl}-5-methyl-3-(phenylsulfenyl)tetrahydrofuran-2-one 在
(1S,2R)-(+)-N-methylephedrine 、 zinc trifluoromethanesulfonate 、
N,N-二异丙基乙胺 作用下,
以
甲苯 为溶剂,
反应 4.25h,
以81%的产率得到5-dimethylamino-N-[(10S)-10-hydroxy-10-((2R,5R)-5-{(1R)-1-tert-butyldiphenylsilyloxy-13-[(3RS,5S)-2-oxo-5-methyl-3-(phenylsulfenyl)tetrahydrofuran-3-yl]tridec-2-ynyl}tetrahydrofuran-2-yl)dec-8-ynyl]naphthalene-1-sulfonamide