| Mass Spectrometry of 2a, 4-Disubstituted 5-Benzoyl-2a, 3,4,5-tetrahydro-2-phenoxy-azeto [ 1,2-a ] [1,5 ] benzodiazepin - 1 （2H）-ones Under Electron Impact Ionization Conditions |
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| 引用本文： | XUJia-xi HUANGXu. Mass Spectrometry of 2a, 4-Disubstituted 5-Benzoyl-2a, 3,4,5-tetrahydro-2-phenoxy-azeto [ 1,2-a ] [1,5 ] benzodiazepin - 1 （2H）-ones Under Electron Impact Ionization Conditions[J]. 高等学校化学研究, 2005, 21(4): 452-456 |
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| 作者姓名： | XUJia-xi HUANGXu |
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| 作者单位： | KeyLaboratoryofBioorganicChemistryandMolecularEngineeringofMinistryofEducationofChina,DepartmentofChemicalBiology,CollegeofChemistryandMolecularEngineering,PekingUniversity,Beijing100871,P.R.China |
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| 基金项目： | 国家自然科学基金，the Excellent Young Teachers Program，the Scientific Research Foundation for the Returned Oversea Chinese Scholars of Ministry of Education of China，the President Grant of Peking University |
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| 摘 要： | The mass spectrometric fragmentation of 2a, 4-disubstituted 5-benzoyl-2a, 3,4, 5-tetrahydro-2-phenoxy-azeto[1,2-α] [ 1,5 ] benzodiazepin-I (2H)-ones has been investigated by means of mass-analyzed ion kinetic energy spectrometry under electron impact ionization conditions. All compounds tend to lose different moieties, such as phenoxy, phenoxy and H, and phenoxyketene. Both [ M^ - PhO ] and [ M^ - PhOH ] ions could further lose CO, and the [ M^ - PhOCH = C = O] ions could lose propene or styrene, PhCON, PhCOHN, and other fragments.
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| 关 键 词： | 质谱 氮杂环丁二烯[1 2-a][1 5]苯二氮-1（2H）-酮 破碎作用 电子撞击电离 |
| 收稿时间： | 2004-09-20 |
Mass Spectrometry of 2a,4-Disubstituted 5-Benzoyl-2a,3,4,5-tetrahydro-2-phenoxy-azeto[1,2-a][1,5]benzodiazepin-1(2H)-ones Under Electron Impact Ionization Conditions |
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| XU Jia-xi,HUANG Xu. Mass Spectrometry of 2a,4-Disubstituted 5-Benzoyl-2a,3,4,5-tetrahydro-2-phenoxy-azeto[1,2-a][1,5]benzodiazepin-1(2H)-ones Under Electron Impact Ionization Conditions[J]. Chemical Research in Chinese University, 2005, 21(4): 452-456 |
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| Authors: | XU Jia-xi HUANG Xu |
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| Affiliation: | Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education of China, Department of Chemical Biology, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China |
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| Abstract: | The mass spectrometric fragmentation of 2a,4-disubstituted 5-benzoyl-2a,3,4,5-tetrahydro-2-phenoxy-azeto[1,2-a][1,5]benzodiazepin-1(2H)-ones has been investigated by means of mass-analyzed ion kinetic energy spectrometry under electron impact ionization conditions. All compounds tend to lose different moieties, such as phenoxy, phenoxy and H, and phenoxyketene. Both [M -PhO] and [M -PhOH] ions could further lose CO, and the [M -PhOCH=C=O] ions could lose propene or styrene, PhCON, PhCOHN, and other fragments. |
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| Keywords: | Azeto[1 2-a][1 5]benzodiazepin-1(2H)-one Mass spectrometry Fragmentation Mechanism |
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