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- W2359456867 abstract "Objective To design and synthesis N-( quinolin-8-yl) benzenesulfonamide derivatives and study their fragmentation pathways. Methods 8-aminoquinoline and benzenesulfonyl chloride derivatives as raw material,the target products was synthesized by the amidation reaction. In positive mode,the main fragment ions and the fragmentation pathways of N-( quinolin-8-yl) benzenesulfonamide derivatives were explained.Results N-( quinolin-8-yl) benzenesulfonamide derivatives were synthesized and their structure were characterized by1H-NMR and MS. In positive mode,ion peaks m / z 159 [M+H]+,144,117 were detected for 10 N-( quinolin-8-yl) benzenesulfonamide derivatives containing active hydrogen,ion peaks m / z 158 [M+H]+,130 were detected for 2,4-Difluoro-N-methyl-N-( quinolin-8-yl) benzenesulfonamide,and ion peaks m / z 172 [M+H]+,157,130 were detected for N-ethyl-2,4-difluoro-N-( quinolin-8-yl) benzenesulfonamide.Conclusion N-( quinolin-8-yl) benzenesulfonamide derivatives were cracked around —SO2—NR—. With the different of R,the fragmentation pathways and fragment ions of N-( quinolin-8-yl) benzenesulfonamide derivatives were different,which provided a convenient method to analyze and confirm the structures of N-( quinolin-8-yl) benzenesulfonamide derivatives." @default.
- W2359456867 created "2016-06-24" @default.
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- W2359456867 date "2015-01-01" @default.
- W2359456867 modified "2023-09-23" @default.
- W2359456867 title "Synthesis of N-(quinolin-8-yl) benzenesulfonamide derivatives and its proposed fragment pathways of electrospray ionization mass spectroscopy" @default.
- W2359456867 hasPublicationYear "2015" @default.
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