(S)-1-{3-[2-(3-ethanesulfonyl-prop-1-ynyl)-phenyl]-prop-2-ynyl}-5-oxo-pyrrolidine-2-carboxylic acid methyl ester 在
mesoporous silica grafted with the tertiary amine group 作用下,
以
苯 为溶剂,
反应 2.5h,
以35%的产率得到(11S,11aS)-11-ethanesulfonyl-3-oxo-2,3,4,11-tetrahydro-1H-3a-azacyclopenta[b]anthracene-11a-carboxylic acid methyl ester