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Titolo: MASS-SPECTROMETRIC STUDY OF SOME ORGANOTELLURIUM(IV) COMPOUNDS
Autore: COJOCARU M; ELYASHIV I; ALBECK M;
- Indirizzi:
- BAR ILAN UNIV,DEPT CHEM IL-52900 RAMAT GAN ISRAEL
- Titolo Testata:
- Journal of mass spectrometry.
fascicolo: 7,
volume: 32,
anno: 1997,
pagine: 705 - 713
- SICI:
- 1076-5174(1997)32:7<705:MSOSOC>2.0.ZU;2-6
- Fonte:
- ISI
- Lingua:
- ENG
- Soggetto:
- SYSTEMIC LUPUS-ERYTHEMATOSUS; IMMUNOMODULATOR AS101; INTERLEUKIN-2 PRODUCTION; INDUCER BRYOSTATIN; TETRAALKOXYTELLURANES; AS-101;
- Keywords:
- TETRACOORDINATED ORGANOTELLURIUM(IV) COMPOUNDS; MONOMERS; POLYMERS; HIGH-RESOLUTION POSITIVE ION DESORPTION CHEMICAL IONIZATION; TANDEM MASS SPECTROMETRY;
- Tipo documento:
- Article
- Natura:
- Periodico
- Settore Disciplinare:
- Science Citation Index Expanded
- Science Citation Index Expanded
- Science Citation Index Expanded
- Citazioni:
- 26
- Recensione:
- Indirizzi per estratti:
-
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- Citazione:
- M. Cojocaru et al., "MASS-SPECTROMETRIC STUDY OF SOME ORGANOTELLURIUM(IV) COMPOUNDS", Journal of mass spectrometry., 32(7), 1997, pp. 705-713
Abstract
A series of tetracoordinated organotellurium(IV) compounds with potential immunomodulating properties were studied mass spectrometrically using high-resolution positive ion desorption chemical ionization and constant B/E and B-2/E linked-scanning techniques. The nature of the organic ligand bonded to the Te(IV) has a major influence on the mass spectral behavior of these compounds. When only monodentate ligands -OR are bonded to the Te(IV), no molecular or protonated molecular ion appears in the spectrum, although polynuclear species are present. When the compounds contain bis-bidentate ligands of the type -ORO-, the protonated molecular ion becomes the base peak and the polynuclear speciesare not present. (C) 1997 John Whey & Sons, Ltd.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 17/01/21 alle ore 05:11:25