All reactions were carried out in dried glassware under an Argon atmosphere (Argon 5.0 from Messer-Griesheim) unless stated otherwise. All reagents were obtained commercially unless otherwise noted. All solvents were dried and distilled by standard procedures. i Chromatographic purification of products was accomplished using flash chromatography on Macherey-Nagel silica gel 60 (230-400 mesh) unless otherwise noted.
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