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Selection of shift reagents for 17 O NMR. Application to line assignments
Author(s) -
Kintzinger JeanPierre,
Nguyên T. ThanhTâM
Publication year - 1980
Publication title -
organic magnetic resonance
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0030-4921
DOI - 10.1002/mrc.1270130616
Subject(s) - reagent , chemistry , line (geometry) , lanthanide , chemical shift , selection (genetic algorithm) , methanol , analytical chemistry (journal) , inorganic chemistry , organic chemistry , ion , computer science , mathematics , geometry , artificial intelligence
Chemical shifts and line broadenings induced by a series of lanthanide dipivaloylmethanates Ln(dmp) 3 on the 17 O NMR signal of methanol have been measured. The best high‐field shift reagents are those containing the cations Tb +3 and Dy +3 ; very large shifts have been observed for even quite low concentrations of reagent. The shift reagents are able to discriminate between different oxygen functions and can, in principle, be used for line assignments.