摘要
总结和归属了N,N′_二乙酰基丁二酰二肼、N,N′_二乙酰基癸二酰二肼以及4种N,N′_二酰基戊二酰二肼和4种N,N′_二酰基己二酰二肼共10个化合物在电子轰击电离质谱 (EIMS)中的主要裂解方式和特征 ,指明了主要碎片离子的来源和结构 ;这10种化合物质谱图中的主要碎片峰均来自于羰基的α_裂解和重排α_裂解,由其裂解产生的基峰离子H2NNHCO(CH2)nCO+ 以及RCONHNHCO(CH)nCO+ 、RCONHN+
Notable features of EIMS fragmentation for N,N′ _ diacetyl succinic dihydrazides, N,N′ _ diacetyl sebacic dihydrazides,four N,N′ _ diacyl glutaric dihydrazides and four N,N′ _ diacyl adipic dihydrazides are summarized. Acyl is still propionyl, hexanoyl, octanoyl, lauroyl or palmitoyl. For all of over ten compounds, the main fragments are from α _ cleavage of carbonyl group and its rearrangement α _ cleavages. The base peak ion H2NNHCO(CH2)nC O+together with RCONHNHCO(CH2)n C O+ and RCONHN+H3 form their MS characteristic peaks.
出处
《分析测试学报》
CAS
CSCD
北大核心
2002年第2期55-57,共3页
Journal of Instrumental Analysis
基金
辽宁省教育厅科学基金资助项目 (9701221032)
