tert ‐Butyl 7‐cycloheptatrienylperacetate: The proton NMR spectrum and conformational analysis | Zendy

Jurch G. R. | Zendy; Johnston M. D. | Zendy

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tert ‐Butyl 7‐cycloheptatrienylperacetate: The proton NMR spectrum and conformational analysis

Author(s) -

Jurch G. R.,

Johnston M. D.

Publication year - 1975

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.1270070210

Subject(s) - lanthanide , chemistry , substituent , proton magnetic resonance , ring (chemistry) , proton nmr , conformational isomerism , proton , reagent , nuclear magnetic resonance spectroscopy , crystallography , stereochemistry , computational chemistry , nuclear magnetic resonance , organic chemistry , molecule , physics , ion , quantum mechanics

The proton magnetic resonance spectrum of tert ‐butyl 7‐cycloheptatrienylperacetate has been analyzed with the aid of the lanthanide shift reagents, Eu(fod) 3 Yb(fod) 3 . Observation of the lanthanide‐induced shifts showed, in conjunction with variable temperature studies establishing the conformational purity of the cycloheptatrienyl ring, that the peracetate substituent has a definite equatorial preference.

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