溴代十二烷   、                                                                                      
3-<4-<3-(N-hydroxyethyl-N-methyl)aminopropoxy>phenyl>-4-methyl-5-benzylidenepyrrolin-2-one                                                                                                                                                                                                                                                                      反应 8.0h,
                                                                                                                以52%的产率得到Dodecyl-(2-hydroxy-ethyl)-methyl-[3-(4-{4-methyl-2-oxo-5-[1-phenyl-meth-(Z)-ylidene]-2,5-dihydro-1H-pyrrol-3-yl}-phenoxy)-propyl]-ammonium; bromide