Structural transformations in zopiclone

N. Shankland, W.I.F. David, K. Shankland, A.R. Kennedy, C.S. Frampton, A.J. Florence

Research output: Contribution to journalArticlepeer-review

36 Citations (Scopus)


A monoclinic centrosymmetric form of zopiclone dihydrate undergoes a sequential, two-step transformation in the solid-state upon heating which results in separation of the enantiomers into a racemic conglomerate or racemic twins.
Original languageEnglish
Pages (from-to)2204-2205
Number of pages1
JournalChemical Communications (London)
Issue number21
Publication statusPublished - 11 Oct 2001


  • monoclinic
  • centrosymmetric form
  • zopiclone dihydrate
  • heating
  • racemic conglomerate
  • racemic twins


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