Synthesis of a Three-Bladed Propeller-Shaped Triple [5]Helicene
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https://figshare.com/articles/dataset/Synthesis_of_a_Three-Bladed_Propeller-Shaped_Triple_5_Helicene/5024666
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资源简介：
Three-bladed
propeller-shaped triple [5]helicene was synthesized
using eliminative and oxidative photocyclization reactions, which
proceeded in 37 and 63% yields, respectively. Chromatographic purification
gave a mixture of diastereomers, and the PPM and PMM isomers were gradually converted to the thermodynamically
more stable PPP and MMM isomers
at room temperature. The activation parameters for the racemization
of the PPP and MMM isomers were
determined, and the structure of the triple [5]helicene was determined
by X-ray crystallographic analysis.
创建时间：
2017-05-19
