A Fragment-Based Approach toward Substituted Trioxa[7]helicenes
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https://figshare.com/articles/dataset/A_Fragment_Based_Approach_toward_Substituted_Trioxa_7_helicenes/2476660
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A series of novel substituted trioxa[7]helicenes have been successfully prepared by a one-pot palladium catalyzed C–H arylation reaction starting from readily prepared dibenzofuran fragments. The dinitro-substituted helicene was analyzed by X-ray crystallography revealing the occurrence of two distinct enantiomers in the asymmetric unit, which forms interesting supramolecular motifs in the crystal, based on weak H-bonding interactions.
创建时间：
2016-02-20
