| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of industrial cationic lipid capable of efficiently providing high purity cationic lipid without needs for special facility.SOLUTION: A cationic lipid represented by the formula (2) is obtained by mixing cationic lipid represented by the formula (1) and a tetraalkylammonium salt having Xin an organic solvent, filtering deposited tetraalkylammonium iodide to obtain a filtrate and concentrating the filtrate to deposit tetraalkylammonium iodide.SELECTED DRAWING: None |
