(3aR,6aS)(Z/E)-5-(4-(4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzyl)phenyl)-2-(4-ethyl-3-oxo-6-thioxo-3H,4H-[1,2]-dithiolo[3,4-b][1,4]thiazin-5(6H)-ylidene)dihydro-4H-[1,3]-dithiolo[4,5-c]pyrrole-4,6(5H)-dione   、                                                                                      
4-ethylbis[1,2]dithiolo[3,4-b:4′,3′-e][1,4]thiazin-3,5-dithione                                                                                                                                                              在
                                                                                                                                                                                 
scandium tris(trifluoromethanesulfonate)                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 6.0h,
                                                                                                                以74%的产率得到(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)-5-(4-(4-((3aR,6aS)(E/Z)-2-((Z/E)-4-ethyl-5-((3aR,6aS)-5-(4-(4-((3aR,6aS)(E/Z)-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)benzyl)phenyl)-4,6-dioxotetrahydro-4H-[1,3]-dithiolo[4,5-c]pyrrol-2-ylidene)-2,6-dithioxothiomorpholin-3-ylidene)-4,6-dioxotetrahydro-5H-[1,3]dithiolo[4,5-c]pyrrol-5-yl)benzyl)phenyl)dihydro-4H-[1,3]dithiolo[4,5-c]pyrrole-4,6(5H)-dione