A convenient synthesis of isothianaphthe
β
Yusuke Shimizu; Zhen Shen; Satoshi Ito; Hidemitsu Uno; JΓΆrg Daub; Noboru Ono
π
Article
π
2002
π
Elsevier Science
π
French
β 84 KB
Bi-and tri-isothianaphthene-a,v-dicarbaldehydes were easily synthesized by using 4,7-dihydro-4,7-ethano-2-benzo[c]thiophene as a useful synthon of 1,3-unsubstituted isothianaphthene. The UV-vis absorptions of oligo-isothianaphthene derivatives exhibit a considerable bathochromic shift compared to th