Separation and identification of O-acetyl-O-methyl-galactononitriles by gas-liquid chromatography and mass spectrometry

The gas-liquid-chromatographic retention-times and the mass-spectral features of partially methylated d-galactononitrile acetates are reported. Distinctive fragmentation of each of the mono-O-methyl derivatives allows their identification, and the results are applicable to the same substituted deriv...

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Detalles Bibliográficos
Autores principales: Stortz, Carlos Arturo, Matulewicz, María Cristina, Cerezo, Alberto Saúl
Publicado: 1982
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00086215_v111_n1_p31_Stortz
http://hdl.handle.net/20.500.12110/paper_00086215_v111_n1_p31_Stortz
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
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spelling paper:paper_00086215_v111_n1_p31_Stortz2023-06-08T14:32:10Z Separation and identification of O-acetyl-O-methyl-galactononitriles by gas-liquid chromatography and mass spectrometry Stortz, Carlos Arturo Matulewicz, María Cristina Cerezo, Alberto Saúl The gas-liquid-chromatographic retention-times and the mass-spectral features of partially methylated d-galactononitrile acetates are reported. Distinctive fragmentation of each of the mono-O-methyl derivatives allows their identification, and the results are applicable to the same substituted derivatives of the other aldohexoses. A new fragmentation-pathway, typical of the acetylated and the O-acetyl-O-methylaldononitriles, is proposed in order to justify previously unexplained fragments. This fragmentation competes with the known ones in derivatives that do not carry vicinal methoxyl groups. © 1982. Fil:Stortz, C.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Matulewicz, M.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Cerezo, A.S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1982 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00086215_v111_n1_p31_Stortz http://hdl.handle.net/20.500.12110/paper_00086215_v111_n1_p31_Stortz
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description The gas-liquid-chromatographic retention-times and the mass-spectral features of partially methylated d-galactononitrile acetates are reported. Distinctive fragmentation of each of the mono-O-methyl derivatives allows their identification, and the results are applicable to the same substituted derivatives of the other aldohexoses. A new fragmentation-pathway, typical of the acetylated and the O-acetyl-O-methylaldononitriles, is proposed in order to justify previously unexplained fragments. This fragmentation competes with the known ones in derivatives that do not carry vicinal methoxyl groups. © 1982.
author Stortz, Carlos Arturo
Matulewicz, María Cristina
Cerezo, Alberto Saúl
spellingShingle Stortz, Carlos Arturo
Matulewicz, María Cristina
Cerezo, Alberto Saúl
Separation and identification of O-acetyl-O-methyl-galactononitriles by gas-liquid chromatography and mass spectrometry
author_facet Stortz, Carlos Arturo
Matulewicz, María Cristina
Cerezo, Alberto Saúl
author_sort Stortz, Carlos Arturo
title Separation and identification of O-acetyl-O-methyl-galactononitriles by gas-liquid chromatography and mass spectrometry
title_short Separation and identification of O-acetyl-O-methyl-galactononitriles by gas-liquid chromatography and mass spectrometry
title_full Separation and identification of O-acetyl-O-methyl-galactononitriles by gas-liquid chromatography and mass spectrometry
title_fullStr Separation and identification of O-acetyl-O-methyl-galactononitriles by gas-liquid chromatography and mass spectrometry
title_full_unstemmed Separation and identification of O-acetyl-O-methyl-galactononitriles by gas-liquid chromatography and mass spectrometry
title_sort separation and identification of o-acetyl-o-methyl-galactononitriles by gas-liquid chromatography and mass spectrometry
publishDate 1982
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00086215_v111_n1_p31_Stortz
http://hdl.handle.net/20.500.12110/paper_00086215_v111_n1_p31_Stortz
work_keys_str_mv AT stortzcarlosarturo separationandidentificationofoacetylomethylgalactononitrilesbygasliquidchromatographyandmassspectrometry
AT matulewiczmariacristina separationandidentificationofoacetylomethylgalactononitrilesbygasliquidchromatographyandmassspectrometry
AT cerezoalbertosaul separationandidentificationofoacetylomethylgalactononitrilesbygasliquidchromatographyandmassspectrometry
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