Research Article

Multistage Fragmentation of Ion Trap Mass Spectrometry System and Pseudo-MS3 of Triple Quadrupole Mass Spectrometry Characterize Certain (E)-3-(Dimethylamino)-1-arylprop-2-en-1-ones: A Comparative Study

Table 1

Multistage comparison MS data of compounds 4a–j by pseudo-MS3of QqQ and/or MS3of IT.

MS Technique4a ( 176.20)4b ( 190.10) 4c ( 206.20)4d ( 193.20)4e ( 210.10)
QqQIT QqQIT QqQIT QqQIT QqQIT

ISF (QqQ)/MS2 (IT)98.1091.1098.1095.1098.10
105.1098.10107.1098.10111.10
119.10123.10139.20
135.10

Pseudo-MS3 (QqQ)/MS3 (IT)51.1051.1051.1051.1051.10
55.2055.2055.2055.2055.20
70.3065.1065.1070.3070.30
77.1070.3070.3095.1077.10
105.1077.1077.10111.10
91.1091.10
107.10

MS Technique4f ( 254.10)4g ( 221.10)4h ( 226.20)4i ( 188.10)4j ( 182.10)
QqQIT QqQIT QqQIT QqQIT QqQIT

ISF (QqQ)/MS2 (IT)98.1098.1098.1095.1098.10
155.10122.10127.1098.10111.10
183.10150.30155.10
175.10
191.10

Pseudo-MS3 (QqQ)/MS3 (IT)51.1051.1055.2055.2055.20
55.2055.2070.3070.3070.30
70.3070.30102.1080.1083.10
77.10105.10127.10
155.10122.10147.10
134.10
150.30
163.10