Chirality control in 2,2'-biphosphole ligand leading to enantiopure Pd complex.
Asymmetric alkylation of the 3,4-dimethyl-5-phenyl-2,2'-biphospholyl anion with the (2R,4R)-(-)-pentaneditosylate leads to a new chirally flexible 2,2'-biphosphole ligand as a mixture of three diasteroisomers. By complexation with Pd(II), a chirality control occurs to afford enantiopure Pd complex.
Ortega
Carmen
C
Laboratoire de Chimie de Coordination, CNRS, 205 route de Narbonne F-31077 Toulouse, France.
Gouygou
Maryse
M
Daran
Jean-Claude
JC