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Potassium hy
droxyaryl- an
d (hy
droxyalkyl)aryltrifluoroborates have been prepare
d in a simple one-pot process from the correspon
ding hy
droxy-substitute
d aryl hali
des in 51-98% yiel
ds through an in situ protection of the free hy
droxyl group with
t-BuLi. Also, we successfully performe
da microwave-promote
d Suzuki-Miyaura cross-coupling reaction of these substrates with aryl- an
d alkenyl bromi
des in the presence of 0.5 mol% of P
d(OAc)
2 catalyst without ligan
ds.