Bulletin of the Chemical Society of Japan p. 1052 - 1054 (1984)
Update date:2022-08-11
Topics:
Matsui, Hideki
Yoshino, Akihiro
Yoshida, Tadayoshi
Takahashi, Kensuke
Thermodynamical parameters for the restricted rotation of the title carbanions have been obtained by means of the DNMR techniques.The activation energies and entropies thus obtained are about 93 kJ mol-1 and 95 J K-1 mol-1 for the two carbanions studied; these values are larger than those of the similar rotations observed in arylmethanide ions.The methylene rotation is thus extremely hindered in these carbanions.
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