The enantioselective telomerization of butadiene with formaldehyde, catalysed by Pd(OAc)2 plus bidentate phosphine ligands, yielding 2,5-divinyltetrahydropyran in optical purity up to 36% is described; a fused-silica capillary with a chiral stationary phase of cyclodextrin has been prepared and successfully applied in product analysis for the first time.
W. Keim, W. Meltzow, A. Koehnes and T. Roethel, J. Chem. Soc., Chem. Commun., 1989, 1151 DOI: 10.1039/C39890001151
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