Methods. Analysis by GC is on a 6 ft X lls in. Carbowax 20M (10%) column at 100" C (225" C for stilbene), giving good isomer separations, with anisole as internal standard. For a typical run a small vial containing deaerated benzene (or other solvent), 1 (usually 0.2 M), anisole, CE, and a Teflon-coated stirring bar is placed in an argon-containing glovebag. Preweighed KOp is added, and the vial is serum-capped and removed from the glovebag. A microliter ...
