TRIS(TETRAPHENYLIMIDODIPHOSPHINATO)GADOLI NIUM, GD(TPIP)(3), A NEW RELAXATION REAGENT FOR STRUCTURAL STUDIES OF ACYCLIC AND POLYCYCLIC CARBOXYLIC-ACIDS AND PHENOLS
L. Barkaoui et al., TRIS(TETRAPHENYLIMIDODIPHOSPHINATO)GADOLI NIUM, GD(TPIP)(3), A NEW RELAXATION REAGENT FOR STRUCTURAL STUDIES OF ACYCLIC AND POLYCYCLIC CARBOXYLIC-ACIDS AND PHENOLS, Bulletin de la Societe chimique de France, 134(2), 1997, pp. 167-175
Tris(tetraphenylimidodiphosphinato)gadolinium, Gd(tpip)(3), is a relax
ation reagent that gives labile complexes in solution with carboxylic
acids and phenols. A study of the longitudinal relaxation of the carbo
ns in a substrate in the presence of this reagent allows a simple anal
ysis of the spectrum. Information on relative configurations and confo
rmation can be obtained.