N-((E)-(2-methyl-3-((E)-(phenylimino)methyl)cyclohex-2-en-1-ylidene)methyl)aniline hydrochloride 、
1,1,2,3-四甲基-1H-苯[e]碘化吲哚 在
吡啶 作用下,
反应 1.0h,
以38%的产率得到2-[7'-(1",1",3"-trimethyl-2",3"-dihydro-1"H-benz[e]indol-2"-ylidene)-4'-methyl-3',5'-(propane-1"',3"'-diyl)-1',3',5'-heptatrien-1'-yl]-1,1,3-trimethyl-1H-benz[e]indolium iodide