反应详情

N-dodecyl-N,N,N-trioctadecylammonium iodide is prepared according to the following process. 0.14 g (0.18 mmol) trioctadecylamine, 0.20 ml (0.8 mmol) C12H25I (99%, Aldrich), and 4 ml butanone (ACS, Baker) are placed into a dry nitrogen atmosphere with stirring for 4 days. 85 mg (44%) white solid, mp 93°-94° C., is obtained after the solvent is evaporated, and the residue is recrystallized twice in ethanol (anhydrous). IR(KBr) 2920, 2857 (C-H stretching, vvs), 1473, 1381 (C-H bending, w) cm-1. 1HNMR (CDCl3) δ 3.65-2.99 (CH2, m, 8H), 1.91-0.49 (heptadecyl and undecyl groups, m, 134H).