hemiketal
基本解釋
- 半酮縮醇
英漢例句
- Method Treatment of 8,9 anhydroerythromycin 6,9 hemiketal with iodine in the alkaline solution provided corresponding N monodemethylated 12 membered ring erythromycin derivative.
方法8,9脫水紅霉素6,9半縮酮與碘在堿性溶劑中反應(yīng)得到相應(yīng)的N去甲基十二元環(huán)紅霉素衍生物。 - The main impurity involved in the synthesis of erythromycin oxime was separated and purified, which was identified as the very compound formed in the acidic hydrolysis of erythromycin A, i.e erythromycin A 8,9 dehydro 6,9 hemiketal.
分離和鑒定了在合成紅霉素肟的過程中產(chǎn)生的一種主要雜質(zhì) ;通過 IR;UV;MS;1 H NMR和 1 3C NMR確證它和紅霉素在酸性水解時生成的紅霉素 A 8;9-脫水 - 6;9-半縮酮為同一化合物 .