氯化N-三甲基壳聚糖是壳聚糖的部分季铵化衍生物,能溶于中性及碱性环境中,可作为肽类药物的口服吸收促进剂。
Ntrimethyl chitosan chloride, a partially quaternised derivative of chitosan, which is soluble in neutral and basic environment, can be used as an absorption enhancer of oral peptide drugs.
本论文主要研究了稀土氯化物催化的合成氮杂环化合物的反应,得到了新型的七元氮杂环膦酸酯和苯并咪唑衍生物。
The reactions towards synthesis of novel azaheterocyclic phosphonates and benzimidazoles using lanthanide chlorides as catalyst were studied in this thesis:1.
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