| 摘要 |
NEW MATERIAL:A compound expressed by the formula (R represents 14-38C branched chain saturated hydrocarbon). EXAMPLE:2-Hexyl-2'-octylethanephosphorylcholine. USE:A surfactant for such as cosmetics, medicaments, chemicals, foods, etc. PREPARATION:For example, 2,2'-dialkoxy-1,3,2-dioxaphosphoran-2-oxide is treated with trimethylamine in dimethylformamide (DMF) to obtain the aimed 2,2'-dialkyl-phosphorylcholine. |
