(5S,6S,7S)-tert-butyl 8-hydroxy-7-(hydroxymethyl)-5-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydronaphtho[2,3-d][1,3]dioxole-6-carboxylate 在
manganese(IV) oxide 作用下,
以
乙腈 为溶剂,
以81%的产率得到(5S,6S,7S)-tert-butyl 7-(hydroxymethyl)-8-oxo-5-(3,4,5-trimethoxyphenyl)-5,6,7,8-tetrahydronaphtho[2,3-d][1,3]dioxole-6-carboxylate