NaOSiMe3 in tetrahydrofuran; THF-d8 (tetrahydrofuran-d8) under N2; at room temp.; PH(Me)(Ph)(BH3) and o-AnI added to soln. of Pd(dppe)(o-An)(I) in THF; NaOSiMe3 in THF added; soln. mixed; THF-d8 added;react. monitored by 31P NMR for 48 h; not isolated;