(5S,6S,8R,9R,4'R)-6-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-8,9-(dimethylmethylenedioxy)-3-phenyl-2-thioxo-7-oxa-1,3-diazaspiro[4.4]nonan-4-one 在
水 、
三氟乙酸 作用下,
反应 5.0h,
生成
(5S,6R,7R,9R,10S)-6,7,10-trihydroxy-9-hydroxymethyl-3-phenyl-2-thioxo-8-oxa-1,3-diazaspiro[4.5]decan-4-one 、 (5S,6R,7S,9R,10S)-6,7,10-trihydroxy-9-hydroxymethyl-3-phenyl-2-thioxo-8-oxa-1,3-diazaspiro[4.5]decan-4-one