2-(6-hydroxyhexylureido)-6-[2(S),6-dimethylheptyl]-4[1H]-pyrimidinone   、                                                                                      
3,4,5-tris[3(S),7-dimethyloctyloxy]phenyl isocyanate                                                                                                                                                              在
                                                                                                                                                                                 
二月桂酸二丁基锡                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
氯仿                                                                                  为溶剂,
                                                                                                                                                    反应 48.0h,
                                                                                                                以34%的产率得到2-{6-(3,4,5-tris(3(S),7-dimethyloctyloxy)-phenylurethane)}hexylureido-6-[2(S),6-dimethylheptyl]-4[1H]-pyrimidinone