7-氧-苄基-1,2∶3,4-二-氧-异亚丙基-α-D-型半乳庚糖的合成
Synthesis of 7-O-benzyl-1,2∶3,4-di-O-isopropylidene-D-glycero-α-D-galacto-heptopyranose
作者:孟雪;徐源;张飞;姜京徽;杨劲松;
Author:
收稿日期: 年卷(期)页码:2016,31(04):-329-331
期刊名称:华西药学杂志
Journal Name:WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
关键字:D-半乳庚糖;合成;Swern氧化;Wittig反应;OsO4氧化
Key words:
基金项目:国家自然科学基金面上项目资助(批准号:21572145)
中文摘要
目的研究7-氧-苄基-1,2∶3,4-二-氧-异亚丙基-α-D-半乳庚糖的实用合成路线。方法以D-半乳糖为原料,通过异丙叉化、Swern氧化、Wittig反应、Os O_4氧化、亲核取代等5步反应制备目标物。结果与结论将目标化合物的结构与已知物的~1HNMR数据对比得到确证,5步总收率为42.4%,操作简便,易于实施,可为后续砂优杆菌抗原活性多糖片段Strain T19的合成奠定基础。
英文摘要
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