唾液酸糖苷化反应研究新进展_stmopen 关键词】: 唾液酸 糖苷化反应 恶唑烷酮 [gap=1027]Keywords】: sialic acid,glycosylation,oxazolidone
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本发明方法与传统合成相比，原料来源方便，反应步骤简短，糖苷化反应的催化剂廉价易得，使制备成本明显下降。
Compared with traditional synthesis process, the present invention has the advantages of wide material source, less reaction steps and low preparation cost.
有机合成法按糖苷化反应糖基给体不同可分为糖基溴苷给体和酰基给体两种方法。生物转化方法是利用生物体为转化体系合成熊果苷。
Organic synthesis can be classified into two ways based upon different donor of glycosyl groups in the glycosidation, namely glycosyl-bromo-glycoside donor and acyl donor.
方法以薯蓣皂素为起始原料，采用逐步糖苷化策略，经10步反应制得目标化合物，总收率约为15%。
Methods Employing the stepwise glycosylation strategy, the target compounds were prepared via 10 steps of reactions using diosgenin as the starting material with an overall yield of 15%.
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