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Titolo:
Electrospray ionisation tandem mass spectrometry in the characterisation of isomeric benzofurocoumarins
Autore:
Begala, M; Delogu, G; Maccioni, E; Podda, G; Tocco, G; Quezada, E; Uriarte, E; Fedrigo, MA; Favretto, D; Traldi, P;
Indirizzi:
Univ Cagliari, Dipartimento Farmaco Chim Tecnol, I-09124 Cagliari, Italy Univ Cagliari Cagliari Italy I-09124 him Tecnol, I-09124 Cagliari, Italy Univ Santiago de Compostela, Dept Quim Organ, Santiago De Compostela, Spain Univ Santiago de Compostela Santiago De Compostela Spain postela, Spain CNR, CSSRCC, I-35100 Padua, Italy CNR Padua Italy I-35100CNR, CSSRCC, I-35100 Padua, Italy CNR, CSCTCOET, I-35100 Padua, Italy CNR Padua Italy I-35100CNR, CSCTCOET, I-35100 Padua, Italy
Titolo Testata:
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
fascicolo: 12, volume: 15, anno: 2001,
pagine: 1000 - 1010
SICI:
0951-4198(2001)15:12<1000:EITMSI>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
ION-TRAP; COUMARIN DERIVATIVES; 5-MOP;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Delogu, G Univ Cagliari, Dipartimento Farmaco Chim Tecnol, Via Osped 72, I-09124 Cagliari, Italy Univ Cagliari Via Osped 72 Cagliari Italy I-09124 gliari, Italy
Citazione:
M. Begala et al., "Electrospray ionisation tandem mass spectrometry in the characterisation of isomeric benzofurocoumarins", RAP C MASS, 15(12), 2001, pp. 1000-1010

Abstract

A set of aminoalkoxy-substituted, differently annullated furocoumarins, differing in the position of the aminoalkoxy chain and in the unsaturation level of the fused ring, has been subjected to electron impact and electrospray ionisation (ESI) experiments. In order to achieve a distinct characterisation of isomeric compounds, which partially failed under electron impact conditions, collision-induced dissociation experiments were performed on protonated molecules. The breakdown curves obtained by varying the tickle voltage on an ion trap ESI instrument led to the desired characterisation. Copyright (C) 2001 John Wiley & Sons, Ltd.

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Documento generato il 07/04/20 alle ore 04:01:20