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Oxygen‐17 and carbon‐13 nuclear magnetic resonance spectra of thiophene‐ and pyrrole‐2‐carboxaldehyde condensation products prepared from ephedrine derivatives
Author(s) -
Eggleton Gordon L.,
Cooper Bill A.,
Sturch Chris L.,
Trent Jonathan C.,
Mulekar Satish V.
Publication year - 1990
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.5570270702
Subject(s) - chemistry , thiophene , acetonitrile , pyrrole , chemical shift , carbon 13 nmr , oxygen , condensation , spectral line , nmr spectra database , abundance (ecology) , organic chemistry , photochemistry , physics , astronomy , fishery , biology , thermodynamics
Natural abundance 17 O nmr (acquired in acetonitrile at 70°) and 13 C nmr (acquired in deuteriochloroform at 37°) spectroscopic data for four oxazolidines and related imino alcohols are reported: relationships of chemical shifts and 17 O line widths at half‐heights to structures are discussed.