saponification

Hartshorn (NH4OH) was used as a new catalyst instead of acetic acid in the saponification reaction of base zinc salt of dioctyl thiophosphate (T203).

摘要选用氨水替醋酸作为新型催剂用于硫磷双辛基盐(T203)的皂反应。

Hartshorn(NH_(4)OH) was used as a new catalyst instead of acetic acid in the saponification reaction of base zinc salt of dioctyl thiophosphate (T203).

选用氨水替醋酸作为新型催剂用于硫磷双辛基盐(T203)的皂反应。

Doxifluridine was facilely synthesized from 5-fluorouracil in overall yield of 54.6% via trimethyl silylation, condensation, saponification, ketal formation, iodation, hydrogenolysis and hydrolysis.

以5-氟尿嘧啶为原料经硅醚、和四乙酰核糖缩合、皂、酮缩醇形成、碘、氢解及水解等反应合成了去氧氟尿苷。本法工艺简便、条件缓和、原料易得、成本低,总收率达54.6

The photographs of polarizing microscope showed the number of spherocrystal was increased and the diameter was decreased after saponification reaction which was agreed with the studies of DSC.

试样的偏光显微镜观察结果表明，醇解后，球晶数目增加、直径减小、完善程度降低。