19 F coupling constants and chemical shifts in some dimethylamino and alkoxy derivatives of tellurium hexafluoride,  cis  TeF 4 XY | Zendy

Dalton John | Zendy; McFarlane William | Zendy; Wickens Clive R. | Zendy; Fraser George W. | Zendy; Millar James B. | Zendy

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19 F coupling constants and chemical shifts in some dimethylamino and alkoxy derivatives of tellurium hexafluoride, cis TeF 4 XY

Author(s) -

Dalton John,

McFarlane William,

Wickens Clive R.,

Fraser George W.,

Millar James B.

Publication year - 1976

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.1270081008

Subject(s) - geminal , coupling constant , chemical shift , chemistry , alkoxy group , stereospecificity , coupling (piping) , spin (aerodynamics) , medicinal chemistry , stereochemistry , physics , organic chemistry , materials science , catalysis , metallurgy , alkyl , particle physics , thermodynamics

The spectra of A 2 BC spin systems provided by the 19 F nuclei in cis (RO) (MeO)TeF 4 and (RO) (Me 2 N)TeF 4 (R = Me, Et, Pr, i‐Pr) have been recorded and analysed. The geminal coupling constants 2 J (F,F) range from 137–174 Hz and trends in the 19 F chemical shifts permit complete assignment of the resonances. Stereospecific coupling between 19 F and the protons of the N ‐methylamino groups is also observed.

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