5,10-Dimethyl-6,8-bisdehydropentatridecafulvalene 11, 10-methyl-6,8-bisdehydro-4,5-benzopentatridecafulvalene 12, 6,8-bisdehydro-4,5:10,11-dibenzopentatridecafulvalene 13, 5,10-dimethyl-6,8-bisdehydropentapentadecafulvalene 14, 7,12-dimethyl-8,10-bisdehydropentaheptadecafulvalene 15, and 7,12-dimethyl-8,10-bisdehy-dropentanonadecafulvalene 16 were synthesized through the reaction of the corresponding bisdehydroannulenones 1–6 with cyclopentadienide. The tropic nature of these pentafulvalenes is discussed on the basis of 1H NMR and electronic spectra as well as those of the corresponding heptafulvalene derivatives.
5,10-二甲基-6,8-二脱氢
十五烯 11, 10-甲基-6,8-二脱氢-4,5-苯并
十五烯 12, 6,8-二脱氢-4,5:通过相应的双脱氢
丙酮 1-6 与
环戊二烯的反应,合成了 6,8-二脱氢-4,5:10,11-二苯并五碳十
三烯、5,10-二甲基-6,8-二脱氢五碳十四烯、7,12-二甲基-8,10-二脱氢五碳
十五烯 15 和 7,12-二甲基-8,10-二脱氢五碳
十六烯。根据 1H NMR 和电子光谱以及相应的七
富勒烯衍
生物的光谱,讨论了这些五
富勒烯的热带性质。