三(2-马来酰亚胺基乙基)胺   、                                                                                      
4-ethyl-3-oxobis[1,2]dithiolo[3,4:4',3'-e][1,4]thiazine-5-thione                                                                                                                                                              在
                                                                                                                                                                                 
scandium tris(trifluoromethanesulfonate)                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 4.0h,
                                                                                                                以42%的产率得到1,1′-(((2-((3aR,6aS)(Z/E)-2-(4-ethyl-3-oxo-6-thioxo-3H,4H-[1,2]dithiolo[3,4-b][1,4]thiazin-5(6H)-ylidene)-4,6-dioxotetrahydro-5H-[1,3]dithiolo[4,5-c]pyrrol-5-yl)ethyl)azanediyl)bis-(ethane-2,1-diyl))bis(1H-pyrrole-2,5-dione)