6-di(prop-2-enylthio)naphthalene (7) were synthesised from octafluoronaphthalene. Compound (6) on heating with NN- diethylaniline (DEA) under reflux gave 4,5,6,7,8,9-hexafluoro-2,3-dihydro- 2-methylnaphtho[2,1-b]thiophen (8) and a small amount of 5,6,7,8,9,10-hexafluoro- 3,4-dihydro-2H-naphtho[2,1-b]thiopyran (9); under the same conditions compound (7) gave 4,5,9,10-tetrafluoro-2,3,7,8-tetrahydro-2,7- dimethylnaphtho[2
1,3,4,5,6,7,8-七
氟-2-
萘丙-2-烯丙基
硫醚(6)和1,3,4,5,7,8-六
氟-2,6-二(丙由
八氟萘合成-2-苯基
硫基
萘(7)。在回流下与NN-二
乙基苯胺(
DEA)一起加热时的化合物(6),得到4,5,6,7,8,9-六
氟-2,3-二氢-
2-甲基萘[2,1-b]
噻吩(8)和少量-5,6,7,8,9,10-六
氟-3,4-二氢-2 ħ -
萘并[2,1-b]
噻喃(9); 在相同条件下,化合物(7)得到4,5,9,10-四
氟-2,3,7,8-四氢-
2,7-二甲基萘[2,1-b:6,5-b']二
噻吩( 10)和少量4,5,10,11-四
氟-2,3,8,9-四氢-2-甲基-7 H-thieno [3',2':5,6]
萘并[2,1-b]-
噻喃(11)。1,3,4,5,6,7,8-七
氟-1-(丙-2-烯基)
萘-2-酮(4)在回流
DEA中得到3,4,5,6,7,8-六
氟-1-(丙-2-烯基)-
2-萘酚(13)和4