crystal structure of 2α-(1,1-diphenylethyl)-4-methyl-4α,5α-diphenyl-1,3-dioxolane: the result of a non-acid pinacol rearrangement

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ID: 189936
2015
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Abstract
The title compound, C30H28O2, was obtained during recrystallization of (±)-1,2-diphenyl-1,2-propanediol in 1-butanol, from an unexpected non-acid-catalyzed pinacol rearrangement followed by acetal formation of the newly formed aldehyde with the diol. The tri-substituted dioxolane ring has a twist conformation on the C—O bond opposite the methyl-substituted C atom. There is an intramolecular C—H...π interaction present involving one of the diphenylethyl rings and an H atom of the phenyl ring in position 4 of the dioxolane ring. In the crystal, molecules are linked by weak C—H...O hydrogen bonds, forming chains along [001]. The chains are linked by a second C—H...π interaction, forming sheets parallel to the bc plane.
Reference Key
kirchner2015actacrystal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Richard M. Kirchner;Peter W. R. Corfield;Michelle Annabi;John Regan;Kevin Speina;Anthony DiProperzio;James A. Ciaccio;Joseph F. Capitani
Journal Disability and rehabilitation
Year 2015
DOI
10.1107/S2056989015017752
URL
http://scripts.iucr.org/cgi-bin/paper?S2056989015017752
Keywords
chemistry 1 crystal structure

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