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On the Complex Formation of Tris‐(dipivalomethanato)‐europium with Pyridine
Author(s) -
Huber H.,
Seelig J.
Publication year - 1972
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19720550119
Subject(s) - chemistry , pyridine , europium , tris , reagent , molecule , inorganic chemistry , medicinal chemistry , organic chemistry , ion , biochemistry
The complexation of the shift reagent tris‐(dipivalomethanato)‐europium with pyridine in deuteriochloroform has been studied by means of 1 H‐NMR. Shift parameters S = 28.0, 9.9, and 9.2 ppm respectively for pyridine protons 2, 3 and 4 are obtained. The results indicate that the shift reagent complexes a single pyridine molecule with an association constant K 1 > 100 mole −1 l.