ISSN:
0951-4198
Keywords:
Chemistry
;
Analytical Chemistry and Spectroscopy
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Physics
Notes:
Positive/negative chemical ionization (PI/NI CI) and liquid secondary ion mass spectrometry (LSIMS) of ten derivatives of dicyclopentadienyltitanium (IV) dichloride were investigated. The major ions detected were M + NHU4, M - CI]+, [M - 2Cl]+, [M - R1CpR3]+ and [M - R2CpR4]+ in PICI (ammonia) mass spectra, M-, [M + CI]-, [M - CI]-, [M + CI - R1CpR3]+ and [M + CI - R1CpR3]+ in NICI (ammonia) mass spectra, and [M - CI]+, [M - 2CI]+, [M - 2CI + (NBA - H)]+ (where NBA = m-nitrobenzyl alcohol), [M - R1CpR3]+, [M - R2CpR4+, [M - R1CpR3 - HCI]+ and [M - R2CpR4 - HCI]+ (where R1CpR3 and R2CpR4 are both mixed alkyl-aryl substituted cyclopentadienyl groups) in LSIMS. Although the mass spectrometric behaviours are quite different due to the different ionization mode, adduct ions were observed in all mass spectra and molecular ions were only observed in NICI mass spectra. The cleavage pathways were confirmed using tandem mass spectrometry methods.
Additional Material:
4 Tab.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/rcm.1290091408
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