- Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation,hydrogenation,cyclization with an overall yield of 8.05%.
- D-ephedrine was made from L-ephedrine through the acidylation,salification and hydrolytic action.
- The reaction between propylcellosolve and 2,6-diethylbenzenamine under the existence of catalyst is reported, the resultant continues acidylation, then the pretilachlor is got.
报道了由乙二醇单丙醚和 2 ,6 -二乙基苯胺为反应原料在催化剂作用下反应 ,其产物继续进行酰化反应 ,即得产品丙草胺
- The process for preparation of seratrodast by condensation reaction from 2,3,5-trimethyl hydroquinone and 7-hydroxy-7-phenylheptanoic acid,which was prepared by chlorination,F-C acidylation,hydrolysis and reduction from ethyl pimelate,was studied.
- Keywords Ethyl succinyl chloride Esterification Acidylation;
- Keywords N;N-dimethyl-2-mercapto-nicotinic amide;acidylation;amidation;