Synthesis and structural aspects of N-triflylphosphoramides and their calcium salts--highly acidic and effective Brønsted acids.
Rueping
Magnus
M
RWTH Aachen University, Institute of Organic Chemistry, Landoltweg 1, 52074 Aachen, Germany. magnus.rueping@rwth-aachen.de
Nachtsheim
Boris J
BJ
Koenigs
René M
RM
Ieawsuwan
Winai
W