(1S)-6-hydroxy-1-((1S,2S)-1,2,3-trihydroxy-2-methyl-propyl)-spiro[2-oxa-7,9-diaza-bicyclo[4.2.2]decane-5,2'-oxirane]-8,10-dione 在
对甲苯磺酸 作用下,
以
1,4-二氧六环 、
丙酮 为溶剂,
生成 4-{(1
S)-5,6-dihydroxy-1-[(
S)-hydroxy-((
S)-2,2,4-trimethyl-[1,3]dioxolan-4-yl)-methyl]-8,10-dioxo-2-oxa-7,9-diaza-bicyclo[4.2.2]dec-5ξ-ylamino}-benzenesulfonamide