(2S,2'S,4''S,5''R,3'''Z)-2-<(tert-butyldimethylsilyl)oxy>-pentanoic acid <3'-<2'',2''-dimethyl-5''-(5'''-hydroxy-3'''-methoxymethyl-pent-3'''-enyl)-<1'',3''>dioxolan-4''-yl>-2'-methoxymethoxy-propyl>-amide 在
重铬酸吡啶 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以85%的产率得到(2S,2'S,4''S,5''R,3'''ZE)-2-<(tert-butyldimethylsilyl)oxy>-pentanoic acid <3'-<2'',2''-dimethyl-5''-(3'''-methoxymethyl-5'''-oxo-pent-3'''-enyl)-<1'',3''>dioxolan-4''-yl>-2'-methoxymethoxy-propyl>-amide