Preparation and NMR spectra of four isomeric diformyl[2.2]paracyclophanes (cyclophanes 66)

Four isomeric dialdehydes 4, readily available from cycloaddition of propiolic aldehyde (2) to 1,2,4,5-hexatetraene (1), were separated by chromatography and recrystallization, and were characterized by their spectroscopic data. The individual isomers can now be easily identified from their (1)H NMR...

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Autores principales: Dix, Ina, Hopf, Henning, Satyanarayana, Thota B N, Ernst, Ludger
Formato: Texto
Lenguaje:English
Publicado: Beilstein-Institut 2010
Materias:
Full Research Paper
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2981830/
https://www.ncbi.nlm.nih.gov/pubmed/21085510
http://dx.doi.org/10.3762/bjoc.6.104
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author Dix, Ina
Hopf, Henning
Satyanarayana, Thota B N
Ernst, Ludger
author_facet Dix, Ina
Hopf, Henning
Satyanarayana, Thota B N
Ernst, Ludger
author_sort Dix, Ina
collection PubMed
description Four isomeric dialdehydes 4, readily available from cycloaddition of propiolic aldehyde (2) to 1,2,4,5-hexatetraene (1), were separated by chromatography and recrystallization, and were characterized by their spectroscopic data. The individual isomers can now be easily identified from their (1)H NMR spectra even if only one of them is present.
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spelling pubmed-29818302010-11-17 Preparation and NMR spectra of four isomeric diformyl[2.2]paracyclophanes (cyclophanes 66) Dix, Ina Hopf, Henning Satyanarayana, Thota B N Ernst, Ludger Beilstein J Org Chem Full Research Paper Four isomeric dialdehydes 4, readily available from cycloaddition of propiolic aldehyde (2) to 1,2,4,5-hexatetraene (1), were separated by chromatography and recrystallization, and were characterized by their spectroscopic data. The individual isomers can now be easily identified from their (1)H NMR spectra even if only one of them is present. Beilstein-Institut 2010-09-29 /pmc/articles/PMC2981830/ /pubmed/21085510 http://dx.doi.org/10.3762/bjoc.6.104 Text en Copyright © 2010, Dix et al. https://creativecommons.org/licenses/by/2.0https://www.beilstein-journals.org/bjoc/termsThis is an Open Access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The license is subject to the Beilstein Journal of Organic Chemistry terms and conditions: (https://www.beilstein-journals.org/bjoc/terms)
spellingShingle Full Research Paper
Dix, Ina
Hopf, Henning
Satyanarayana, Thota B N
Ernst, Ludger
Preparation and NMR spectra of four isomeric diformyl[2.2]paracyclophanes (cyclophanes 66)
title Preparation and NMR spectra of four isomeric diformyl[2.2]paracyclophanes (cyclophanes 66)
title_full Preparation and NMR spectra of four isomeric diformyl[2.2]paracyclophanes (cyclophanes 66)
title_fullStr Preparation and NMR spectra of four isomeric diformyl[2.2]paracyclophanes (cyclophanes 66)
title_full_unstemmed Preparation and NMR spectra of four isomeric diformyl[2.2]paracyclophanes (cyclophanes 66)
title_short Preparation and NMR spectra of four isomeric diformyl[2.2]paracyclophanes (cyclophanes 66)
title_sort preparation and nmr spectra of four isomeric diformyl[2.2]paracyclophanes (cyclophanes 66)
topic Full Research Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2981830/
https://www.ncbi.nlm.nih.gov/pubmed/21085510
http://dx.doi.org/10.3762/bjoc.6.104
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