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Benzomorphan related compounds. III. . Structural determination of Δ 3 ‐ and Δ 4 ‐tetrahydropyridines by nuclear magnetic resonance
Author(s) -
Bosch J.,
Canals J.,
Giralt E.,
Granados R.
Publication year - 1976
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570130221
Subject(s) - chemistry , epimer , spectral line , resonance (particle physics) , nmr spectra database , computational chemistry , stereochemistry , nuclear magnetic resonance , physics , astronomy , particle physics
Observation of the nmr spectra of several Δ 3 ‐ and Δ 4 ‐tetrahydropyridines hydrochlorides provides a useful method for the structural determination of this type of compound. The Δ 3 ‐ Isomers exist as one predominant epimer only whereas the Δ 4 ‐isomers exist as a mixture of the two possible epimers. The respective assignments are discussed in view of the criteria previously applied in the study of this type of compound.