Synthesis and structural study on α-substituted-1-styrylpyridinium salts. Reinvestigation of krohnke condensation

Authors
Álvarez-Builla Gómez, JulioUniversity of Alcalá Author; Novella Robisco, José LuisUniversity of Alcalá Author; Gálvez Ruano, EnriqueUniversity of Alcalá Author; Smith, P.; Florencio Sabaté, Feliciana; [et al.]
Identifiers
Permanent link (URI): http://hdl.handle.net/10017/3664
DOI: 10.1016/S0040-4020(01)87473-1
ISSN: 0040-4020
Publisher
Pergamon
Date
1986
Affiliation
Universidad de Alcalá. Departamento de Química Orgánica
Bibliographic citation
Tetrahedron, 1986, v.42, n.2, p.699-708
Keywords
Kröhnke condensation
Pyridinium
Project
plan 1099 (Ministerio de Educación y Ciencia)
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/publishedVersion
Publisher's version
http://dx.doi.org/10.1016/S0040-4020(01)87473-1
Rights
© Elsevier, 1986
Access rights
info:eu-repo/semantics/openAccess
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Abstract
Kröhnke condensation of several cycloimmonium salts with p-dimethylaminobenzaldhyde has been studied. X-Ray diffraction, IR and Raman spectra, 1H-and 13C-NMR and UV spectra of the products are discussed, being compared, when necessary, with the starting pyridinium salts. All compounds showed the Z configuration, corresponding to the more stable structure, except one, in which steric factors were predominant.
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