Premium
Scalar 13 C, 1 H and 13 C, 19 F spin—spin couplings between carbonyl carbons and aromatic protons (or fluorine) in (η 6 ‐arene)tricarbonylchromium complexes
Author(s) -
Szeczeciński Przemyslaw,
GryffKeller Adam
Publication year - 1988
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1260261110
Subject(s) - chemistry , fluorine , coupling constant , spin (aerodynamics) , carbon 13 , substituent , electron , medicinal chemistry , crystallography , nuclear physics , physics , organic chemistry , particle physics , thermodynamics
Spin–spin coupling between carbonyl carbons and aromatic protons (or fluorine atoms) in several (η 6 ‐arene)tricarbonylchromium complexes has been observed for the first time. The values of the coupling constants are of the order of 0.6 Hz for protons and 2 Hz for fluroine, and seem to depend on the electron‐donating properties of the aromatic substituent.