Fourier transform ion cyclotron resonance study of ion-molecule reactions of [M - OCH 3] + ions of methyl 2,3,4,6-tetra-O-methyl-d-hexopyranosides with ammonia

Kovácik V, Hirsch J, Thölmann D, Grützmacher H-F (1991)
Organic Mass Spectrometry 26(12): 1085-1088.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
Glycosidic oxocarbenium ions A1+ were formed by isobutane chemical ionization from methyl 2,3,4,6-tetra-O-methyl-beta-D-mannopyranoside, methyl 2,3,4,6-tetra-O-methyl-beta-D-galactopyranoside and methyl 2,3,4,6-tetra-O-methyl-beta-D-glucopyranoside (the ring -O-being converted into -O+=), and their reaction with ammonia was studied by Fourier transform ion cyclotron resonance spectrometry. Very slow formation (reaction efficiency 0.6-1.4%) of the adduct ion [A1 + NH3]+ was observed as the main process for carefully thermalized ions A1+. Interestingly, the efficiency of the adduct ion formation depends on the sterochemistry of ions A1+.
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Zeitschriftentitel
Organic Mass Spectrometry
Band
26
Zeitschriftennummer
12
Seite
1085-1088
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Kovácik V, Hirsch J, Thölmann D, Grützmacher H-F. Fourier transform ion cyclotron resonance study of ion-molecule reactions of [M - OCH 3] + ions of methyl 2,3,4,6-tetra-O-methyl-d-hexopyranosides with ammonia. Organic Mass Spectrometry. 1991;26(12):1085-1088.
Kovácik, V., Hirsch, J., Thölmann, D., & Grützmacher, H. - F. (1991). Fourier transform ion cyclotron resonance study of ion-molecule reactions of [M - OCH 3] + ions of methyl 2,3,4,6-tetra-O-methyl-d-hexopyranosides with ammonia. Organic Mass Spectrometry, 26(12), 1085-1088. doi:10.1002/oms.1210261210
Kovácik, V., Hirsch, J., Thölmann, D., and Grützmacher, H. - F. (1991). Fourier transform ion cyclotron resonance study of ion-molecule reactions of [M - OCH 3] + ions of methyl 2,3,4,6-tetra-O-methyl-d-hexopyranosides with ammonia. Organic Mass Spectrometry 26, 1085-1088.
Kovácik, V., et al., 1991. Fourier transform ion cyclotron resonance study of ion-molecule reactions of [M - OCH 3] + ions of methyl 2,3,4,6-tetra-O-methyl-d-hexopyranosides with ammonia. Organic Mass Spectrometry, 26(12), p 1085-1088.
V. Kovácik, et al., “Fourier transform ion cyclotron resonance study of ion-molecule reactions of [M - OCH 3] + ions of methyl 2,3,4,6-tetra-O-methyl-d-hexopyranosides with ammonia”, Organic Mass Spectrometry, vol. 26, 1991, pp. 1085-1088.
Kovácik, V., Hirsch, J., Thölmann, D., Grützmacher, H.-F.: Fourier transform ion cyclotron resonance study of ion-molecule reactions of [M - OCH 3] + ions of methyl 2,3,4,6-tetra-O-methyl-d-hexopyranosides with ammonia. Organic Mass Spectrometry. 26, 1085-1088 (1991).
Kovácik, Vladimir, Hirsch, Janos, Thölmann, Detlef, and Grützmacher, Hans-Friedrich. “Fourier transform ion cyclotron resonance study of ion-molecule reactions of [M - OCH 3] + ions of methyl 2,3,4,6-tetra-O-methyl-d-hexopyranosides with ammonia”. Organic Mass Spectrometry 26.12 (1991): 1085-1088.
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