Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/100162
Type: Artigo de periódico
Title: 1h Nmr Chemical Shifts And Coupling Constants Of Some 3-monosubstituted 2-methylpropenes
Author: Rittner R.
Braibante M.E.F.
De Kowalewski D.G.
Pla J.C.
Mazzola E.P.
Abstract: 1H NMR chemical shifts and proton-proton coupling constants for some 3-substituted 2-methylpropenes [YCH2C(Me)CH2, Y = H, Cl, Br, I, OH, OMe, OEt, SH, SMe, SEt, NMe2 and NEt2] are reported. Resonances of the olefinic protons were assigned through lanthanide-induced shifts. Chemical shifts of the olefinic protons (HA and HB) showed a dependence on the substituent at C-3 of the allylic fragment. Long-range allylic coupling constants (4Jcisoid for HA and CH2 and HB and Me; 2Jtransoid for HB and CH2 and HA and Me) were determined by spectral expansion and simulation. © 1997 by John Wiley & Sons, Ltd.
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0031510263&partnerID=40&md5=efad86a8cb68c474454d478aeab7e1d2
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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