| 摘要 |
PURPOSE: A compound is provided to be used as an effective dispersing agent. CONSTITUTION: A compound is denoted by chemical formula 2. A dispersing agent contains the compound as an active ingredient. A method for preparing the compound of chemical formula 2 comprises the steps of: dissolving methyl alpha-D-glucopyranoside and adding TEA and TBDPSCI to obtain a compound of chemical formula 19; dissolving the compound of chemical formula 19 and adding NaH and triethylene glycol 2-bromoethyl methyl ether to prepare a compound of chemical formula 20; dissolving the compound of chemical formula 20 and adding a TBAF solution to prepare a compound of chemical formula 21; dissolving the compound of chemical formula 21 and adding NIS to prepare a compound of chemical formula 22; adding thiourea to the compound of chemical formula 22 to prepare a compound of chemical formula 23; and dissolving the compound of chemical formula 23 and adding iodine and 1-dodecanethiol. |
