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Synthesis and spectral properties of some N ‐(2‐benzimidazoyl)‐α‐aminoesters and their N ‐oxides
Author(s) -
Sabri Salim S.,
ElAbadelah Mustafa M.,
Yasin Hani A.
Publication year - 1987
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.5570240131
Subject(s) - chemistry , series (stratigraphy) , spectral line , sign (mathematics) , spectral properties , cotton effect , stereochemistry , computational chemistry , circular dichroism , mathematical analysis , paleontology , physics , mathematics , astronomy , biology
A series of new N ‐(2‐benzimidazol)( S )‐α‐aminoesters and the respective N ‐oxides have been prepared, and their spectral data discussed. The CD spectra of the aliphatic and aromatic amino ester derivatives of either series show sign reversal for the observed Cotton effect (CE) band. This chiroptical behaviour was rationalized as due to differences in conformational isomerism.