Mass spectrometric studies of 3-substituted-5-amino-1,3,4-thiadiazolin-2-ones

Title
Mass spectrometric studies of 3-substituted-5-amino-1,3,4-thiadiazolin-2-ones
Authors
이운철이원김연제박송자라도영조남숙
Keywords
3-substituted-5-amino-1,3,4-thiadiazolin-2-ones; MIKE and CAD spectra
Issue Date
1997-02
Publisher
Phosphorus, Sulfur and Silicone
Citation
VOL 126, NO 1, 201-210
Abstract
Fragment pathways of 3-alkyl and acyl-5-amino-1,3,4-thiadiazolin-2-ones were completely assigned by mass analyzed kinetic energy spectra (MIKE), collisional activated dissociation (CAD) spectra and high resolution mass spectra. [NH2CS]+ and [S=C═O]+ ions were directly formed from molecular ion of the 3-alkyl compounds and from 5-amino-3H-1,3,4-thiadiazolin-2-one ion (1) which was produced by McLafferty rearrangement from molecular ion of 3-acyl compounds. A loss of neutral SCO was only detected from 3-alkyl substituted molecular ions.
URI
http://pubs.kist.re.kr/handle/201004/8972
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