The effects of substituents on the 5J long‐range spin‐spin coupling constants in substituted benzaldehydes
Proton magnetic resonance spectra of several mono‐ and disubstituted benzaldehydes were studied using CW, INDOR and double resonance techniques. It was verified that substitution in the para position has no effect on the long‐range coupling of the aldehydic proton with the ring protons five bonds aw...
Guardado en:
| Autores principales: | , , |
|---|---|
| Formato: | JOUR |
| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_00304921_v12_n9_p542_Contreras |
| Aporte de: |
| id |
todo:paper_00304921_v12_n9_p542_Contreras |
|---|---|
| record_format |
dspace |
| spelling |
todo:paper_00304921_v12_n9_p542_Contreras2023-10-03T14:40:35Z The effects of substituents on the 5J long‐range spin‐spin coupling constants in substituted benzaldehydes Contreras, R.H. de Kowalewski, D.G. Osella, A. Proton magnetic resonance spectra of several mono‐ and disubstituted benzaldehydes were studied using CW, INDOR and double resonance techniques. It was verified that substitution in the para position has no effect on the long‐range coupling of the aldehydic proton with the ring protons five bonds away. Substitution in the ortho and meta positions (with the exception of 2,4‐dinitrobenzaldehyde) follows closely the additivity rule effects of the substituents. Copyright © 1979 Heyden & Son Ltd. Fil:Contreras, R.H. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Osella, A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00304921_v12_n9_p542_Contreras |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| description |
Proton magnetic resonance spectra of several mono‐ and disubstituted benzaldehydes were studied using CW, INDOR and double resonance techniques. It was verified that substitution in the para position has no effect on the long‐range coupling of the aldehydic proton with the ring protons five bonds away. Substitution in the ortho and meta positions (with the exception of 2,4‐dinitrobenzaldehyde) follows closely the additivity rule effects of the substituents. Copyright © 1979 Heyden & Son Ltd. |
| format |
JOUR |
| author |
Contreras, R.H. de Kowalewski, D.G. Osella, A. |
| spellingShingle |
Contreras, R.H. de Kowalewski, D.G. Osella, A. The effects of substituents on the 5J long‐range spin‐spin coupling constants in substituted benzaldehydes |
| author_facet |
Contreras, R.H. de Kowalewski, D.G. Osella, A. |
| author_sort |
Contreras, R.H. |
| title |
The effects of substituents on the 5J long‐range spin‐spin coupling constants in substituted benzaldehydes |
| title_short |
The effects of substituents on the 5J long‐range spin‐spin coupling constants in substituted benzaldehydes |
| title_full |
The effects of substituents on the 5J long‐range spin‐spin coupling constants in substituted benzaldehydes |
| title_fullStr |
The effects of substituents on the 5J long‐range spin‐spin coupling constants in substituted benzaldehydes |
| title_full_unstemmed |
The effects of substituents on the 5J long‐range spin‐spin coupling constants in substituted benzaldehydes |
| title_sort |
effects of substituents on the 5j long‐range spin‐spin coupling constants in substituted benzaldehydes |
| url |
http://hdl.handle.net/20.500.12110/paper_00304921_v12_n9_p542_Contreras |
| work_keys_str_mv |
AT contrerasrh theeffectsofsubstituentsonthe5jlongrangespinspincouplingconstantsinsubstitutedbenzaldehydes AT dekowalewskidg theeffectsofsubstituentsonthe5jlongrangespinspincouplingconstantsinsubstitutedbenzaldehydes AT osellaa theeffectsofsubstituentsonthe5jlongrangespinspincouplingconstantsinsubstitutedbenzaldehydes AT contrerasrh effectsofsubstituentsonthe5jlongrangespinspincouplingconstantsinsubstitutedbenzaldehydes AT dekowalewskidg effectsofsubstituentsonthe5jlongrangespinspincouplingconstantsinsubstitutedbenzaldehydes AT osellaa effectsofsubstituentsonthe5jlongrangespinspincouplingconstantsinsubstitutedbenzaldehydes |
| _version_ |
1807317761921122304 |