
Tetrahedron Letters p. 5157 - 5160 (1988)
Update date:2022-08-05
Topics:
Komatsu, Koichi
Takai, Toshihiro
Aonuma, Shuji
Takeuchi, Ken'ichi
Comparison of the 13C NMR data of the title cations with those of the triphenylmethyl cation and its monoethynologue indicates the increasing contribution of the allenyl-type resonance structure upon consecutive introduction of the ethynyl comp
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