1: phenyl-magnesium bromide With ZnI2(tmeda) in tetrahydrofuran
2: (4'-Oxapentan-2'-yl) toluene-p-sulfonate With anhydrous iron chloride in tetrahydrofuran
T=0 - 40°C;
Arnett, Edward M.; Flowers II, Robert A.; Ludwig, Richard T.; Meekhof, Alison E.; Walek, Stuart A.
Journal of Physical Organic Chemistry, 1997 , vol. 10, # 7 p. 499 - 513