4,4'-((3-(bis(4-methoxyphenyl)methylene)-1H,3H-benzo[de]isothiochromen-1-ylidene)methylene)bis(N,N-dimethylaniline) 在
碘 作用下,
以80%的产率得到3-[Bis(4-methoxyphenyl)methylidene]-13-[4-(dimethylamino)phenyl]spiro[2-thiatetracyclo[6.5.2.04,15.011,14]pentadeca-1(13),4,6,8(15),9,11(14)-hexaene-12,4'-cyclohexa-2,5-diene]-1'-one