3) HPLC of derivatizing method
HPLC衍生化法
4) chemical derivatization
化学衍生法
5) aschistic process
直接生热法
6) esterification
[英][e,sterifi'keiʃən] [美][ɛ,stɛrəfə'keʃən]
直接酯化法
1.
Five long-chain saturated alkanoyl-6O-D-isoascorbates(alkanoyl=decanoyl,lauroyl,myristoyl,palmitoyl and stearoyl) were synthesized by esterification(or transesterification) of D-isoascorbic acid with alkanoic acids using concentrated H_2SO_4 as a medium and a catalyst at room temperature.
用浓H2SO4作为反应介质和催化剂,通过直接酯化法或酯交换法合成了5个D-异抗坏血酸脂肪酸(癸酸,月桂酸,豆蔻酸,棕榈酸和硬脂酸)酯,其结构经1H NMR和IR表征。
补充资料:直接
不经过中间事物的。与“间接”相对:直接取用|直接关系。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条