... Volume: Page: Digital Object Identifier (DOI). ... Reaction conditions: 5 mol % Ca(NTf 2 ) 2 /Bu 4 NPF 6 were added to the benzyl carbinol (0.25 mmol) in 0.75 mL of DCE and stirred at 40 °C for 20 h. Table b ... Table j Mixture 85/15 of trans/cis diastereomers. ...