Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/100161
Type: Artigo de periódico
Title: Substituent-induced 1h Chemical Shifts Of 3-substituted Camphors
Author: Kaiser C.R.
Rittner R.
Basso E.A.
Abstract: The high-field 1H NMR analysis of 3-substituted camphors with OH, OMe, SMe, NHMe, NMe2 and Me substituents at endo and exo positions, and also with an oxo substituent, is reported. The substituent-induced chemical shifts (SCS) obtained for these difunctional systems, including those from previous work on 3-halocamphors, were examined in view of multilinear correlations with steric and electronic parameters. The resultant data show a strong contribution from the electric field mechanism, principally for the protons closer to the substituent. Carbonyl group interference on the expected SCS for the α-proton is also observed, with less deshielding than those of substituted bornanes and norbornanes. © 1997 by John Wiley & Sons, Ltd.
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0031533736&partnerID=40&md5=f35229c7630cd62830f16fef3d982d97
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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