Studies on the Mass Spectral of Monocyclic N-Aryl α,β-unstaturated
碩士 === 高雄醫學大學 === 藥學研究所碩士在職專班 === 91 === 英文摘要 ABSTRACT The mass spectra of a series of N-Arylα,β-unsaturated γ-lactams (Fig 1), and monocyclic N-Aryl--valerolactams (Fig 2) were studied, respectively. Besides their molecular ion peak, together with their characteristic fragmen...
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ndltd-TW-091KMC015510082019-05-15T20:22:43Z http://ndltd.ncl.edu.tw/handle/692xta Studies on the Mass Spectral of Monocyclic N-Aryl α,β-unstaturated 單環γ-丁內醯胺及α-戊內醯胺質譜法之研究 Kuo-Fan Lin 林國藩 碩士 高雄醫學大學 藥學研究所碩士在職專班 91 英文摘要 ABSTRACT The mass spectra of a series of N-Arylα,β-unsaturated γ-lactams (Fig 1), and monocyclic N-Aryl--valerolactams (Fig 2) were studied, respectively. Besides their molecular ion peak, together with their characteristic fragments such as [M-29] +, [M-55] +, [M-82] + and [M-29]+, [M-56] , [M-69]+, and [M-98]+ were found in EI-MS spectra, respectively. Furthermore, based on the exacted mass and chemical compositions of each fragment determined by high-resolution mass spectrometry (HRMS), the forming mechanism for the interpretation of each fragment was rational proposed. This result is expected to be useful information for further identification of N-Aryl α,β-unsaturatedγ-lactams and monocyclic N-Aryl--valerolactams. Wang, E. C. 王英基 2003 學位論文 ; thesis 65 zh-TW |
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碩士 === 高雄醫學大學 === 藥學研究所碩士在職專班 === 91 === 英文摘要
ABSTRACT
The mass spectra of a series of N-Arylα,β-unsaturated γ-lactams (Fig 1), and monocyclic N-Aryl--valerolactams (Fig 2) were studied, respectively. Besides their molecular ion peak, together with their characteristic fragments such as [M-29] +, [M-55] +, [M-82] + and [M-29]+, [M-56] , [M-69]+, and [M-98]+ were found in EI-MS spectra, respectively. Furthermore, based on the exacted mass and chemical compositions of each fragment determined by high-resolution mass spectrometry (HRMS), the forming mechanism for the interpretation of each fragment was rational proposed. This result is expected to be useful information for further identification of N-Aryl α,β-unsaturatedγ-lactams and monocyclic N-Aryl--valerolactams.
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author2 |
Wang, E. C. |
author_facet |
Wang, E. C. Kuo-Fan Lin 林國藩 |
author |
Kuo-Fan Lin 林國藩 |
spellingShingle |
Kuo-Fan Lin 林國藩 Studies on the Mass Spectral of Monocyclic N-Aryl α,β-unstaturated |
author_sort |
Kuo-Fan Lin |
title |
Studies on the Mass Spectral of Monocyclic N-Aryl α,β-unstaturated |
title_short |
Studies on the Mass Spectral of Monocyclic N-Aryl α,β-unstaturated |
title_full |
Studies on the Mass Spectral of Monocyclic N-Aryl α,β-unstaturated |
title_fullStr |
Studies on the Mass Spectral of Monocyclic N-Aryl α,β-unstaturated |
title_full_unstemmed |
Studies on the Mass Spectral of Monocyclic N-Aryl α,β-unstaturated |
title_sort |
studies on the mass spectral of monocyclic n-aryl α,β-unstaturated |
publishDate |
2003 |
url |
http://ndltd.ncl.edu.tw/handle/692xta |
work_keys_str_mv |
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