Compounds with bridgehead nitrogen 53 — 13 C NMR spectra and stereochemistry of perhydronaphthaleno[2,1‐ e ]pyrido[1,2‐ c ][1,3]oxazines | Zendy

Crabb Trevor A. | Zendy; Roch Olive G. | Zendy; Wood Brian | Zendy

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Compounds with bridgehead nitrogen 53 — 13 C NMR spectra and stereochemistry of perhydronaphthaleno[2,1‐ e ]pyrido[1,2‐ c ][1,3]oxazines

Author(s) -

Crabb Trevor A.,

Roch Olive G.,

Wood Brian

Publication year - 1987

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.1260250809

Subject(s) - chemistry , oxazines , stereochemistry , nuclear magnetic resonance spectroscopy , nmr spectra database , spectroscopy , nitrogen , two dimensional nuclear magnetic resonance spectroscopy , spectral line , organic chemistry , physics , quantum mechanics , astronomy

The configurations and preferred conformations of some diastereoisomeric perhydronaphthaleno[2,1‐ e ]pyrido[1,2‐c][1,3]oxazines have been assigned by 13 C NMR spectroscopy. These results require reversal of two previous tentative configurational assignments based on 1 H NMR spectroscopy, and also indicate the presence of non‐chair conformations for cis‐anti‐cis‐syn‐cis ‐ and trans‐syn‐cis‐syn‐cis ‐perhydronaphthaleno[2,1‐ e ]pyrido[1,2 ‐ c ][1,3]oxazine.

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