Lee, UC Lee, W Kim, YJ Park, SJ Chung, JW Cho, SD Yoon, YJ 2024-01-21T16:38:37Z 2024-01-21T16:38:37Z 2021-09-05 1998-10 0951-4198 https://pubs.kist.re.kr/handle/201004/142835 The mass spectral fragmentation pathways of 1-alkyl-5-bromo-4-hydroxypyridazin-6-ones were studied under electron ionization by means of low resolution, high resolution and metastable ion analysis techniques. The principal fragmentation pathways of these compounds involved various skeletal rearrangements that involve transfer of hydrogen from the alkyl group to the carbonyl oxygen and to the N(1) and N(2) atoms. (C) 1998 John Wiley & Sons, Ltd. English JOHN WILEY & SONS LTD DERIVATIVES Mass spectrometric fragmentation of 1-alkyl-5-bromo-4-hydroxypyridazin-6-ones under electron ionization conditions Article 1 RAPID COMMUNICATIONS IN MASS SPECTROMETRY, v.12, no.19, pp.1297 - 1302 RAPID COMMUNICATIONS IN MASS SPECTROMETRY 12 19 1297 1302 scie scopus 000076185300004 2-s2.0-7344249594 Biochemical Research Methods Chemistry, Analytical Spectroscopy Biochemistry & Molecular Biology Chemistry Spectroscopy Article DERIVATIVES EI-MS spectra Some Pyridazones Fragmentation pathaway