methyl (3R,4R,5S,6S)-3,4-O-cyclohexylidene-3,4,5-trihydroxy-6-methoxy-1-cyclohexene-1-carboxylate 在
戴斯-马丁氧化剂 作用下,
生成
methyl 3,4-dihydroxy-2-methoxybenzoate 、
methyl (3aR,7aR)-6-methoxy-7-oxospiro[4,7a-dihydro-3aH-1,3-benzodioxole-2,1'-cyclohexane]-5-carboxylate