Polyethylated Triptycene Derivatives
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https://figshare.com/articles/dataset/Polyethylated_Triptycene_Derivatives/3696054
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资源简介：
The octaethyl triptycenes 7 and 8 were synthesized by Diels−Alder reaction of the octaethylanthracene 4
with the corresponding benzynes. Low-temperature NMR
spectra of 7 and 8 are consistent with the presence of the
fully alternated conformation “a” of C2 symmetry. However,
in the determined crystal structures, the compounds adopt
a higher energy conformation with a pair of vicinal ethyls
oriented in the same direction.
创建时间：
2016-08-19
