Table 6.
Common names, absorption maxima, molecular weights, liquid chromatography-electrospray ionization-tandem mass spectrometry (LC–ESI-MS/MS) peaks, gas chromatography–electron ionization-mass spectrometry (GC–EI-MS) peaks, and references for the most recently reported cathinone derivatives, arranged according to the featured structures
| Common name | Absorption maxima [nm] | Molecular weight [Da] | Precursor ion [M + H+] and product ions by LC–ESI-MS/MS [m/z] | Base peak and other peaks of GC–EI-MS spectrum [m/z] | Reference |
|---|---|---|---|---|---|
| Hexedrone, HEX | 224 | 205.15 | 206, 188, 132, 175, 100, 105, 119, 91 | 100, 77, 69, 44, 58 | [62] |
| 4-Cl-pentedrone | No data | 225.10 | 226, 144, 208, 125, 166, 164, 178, 173, 131, 138 | 86, 44 | [61] |
| 4-Methylpentedrone, 4-MPD | – | 205.15 | 206, 188, 158, 146, 145, 144, 131, 130 | 86 | [63] |
| α-EAPP | 251 | 205.30 | 206 | 100, 77 | [55] |
| N-Ethylhexedrone | No data | 219.17 | 220, 130, 202, 146, 91, 158, 175 | 114, 105, 58 | [61] |
| 4-Cl-EAPP | No data | 239.12 | 240, 158, 164, 125, 180, 138, 187, 145, 195, 192 | 100, 58 | [61] |
| 4-Bromoethcathinone, 4-BEC | 265 | 255.03 | 256/258, 159, 144, 132 | 72, 44, 185, 155 | [62] |
| N-Ethyl-4-methylpentedrone | 264 | 219.32 | 220 | 100, 91 | [55] |
| N-Ethylnorpentylone, bk-EPDP, N-ethylpentylone | No data | 249.14 | 250, 202, 189, 232, 175, 203, 149, 173 | 100, 149, 91, 58 | [61, 63] |
| Propylone | No data | 235.13 | 236, 188, 146, 218, 175, 160, 118 | 86, 149, 135, 121, 44 | [61] |
| 6-Methoxy-bk-MDMA | No data | 237.11 | 238, 190, 175, 58 | 58, 204, 179 | [61] |
| α-PHP | 252, 251 | 245.36 | 246, 228, 175 | 140, 141, 105, 96, 77 | [53, 57] |
| α-PiHP | No data | 245.19 | 246, 140, 91, 119 | 140, 188, 98, 84 | [61] |
| α-PHPP, PV8 | 253 | 259.39 | 260 | 154, 105, 77 | [55] |
| α-POP, PV9 | 253 | 273.41 | 274 | 168, 105, 77 | [55] |
| 4-F-α-PVP | 256 | 249.32 | 250 | 126, 95 | [55] |
| 4-F-α-PHP | No data | 263.18 | 264, 140, 123, 109, 190, 137 | 140, 123, 96, 84, 69 | [61] |
| 4-F-α-PHPP | 255 | 277.38 | 278 | 154, 123, 95 | [57] |
| 4-F-α-PV9, 4-F-α-POP | 254, 253 | 291.40 | 292, 274, 221, 203, 189 | 168, 169, 123, 110, 95, 84, 55 | [53] |
| 4-Cl-α-PPP | 263 | 237.10 | 238, 167, 185, 139, 98 | 98, 56, 111, 69 | [62] |
| 4-Cl-α-PHP | No data | 279.15 | 280, 125, 140, 138, 209 | 140, 111, 84 | [61] |
| 4-Br-α-PVP | 267 | 309.08 | 310/312, 160, 126, 168, 131, 183 | 126, 183, 155, 84 | [62] |
| 4-Methoxy-α-PVP | 292 | 261.36 | 262 | 126, 135, 107 | [56] |
| 4-Methoxy-α-PHPP | 292 | 289.41 | 290 | 154, 135 | [57] |
| 4-Methoxy-α-POP | 292 | 303.44 | 304 | 168, 135 | [57] |
| 3,4-Dimethoxy-α-PVP | 286, 316 | 291.39 | 292 | 126, 137, 165 | [55] |
| Thiothinone | No data | 169.24 | 170 | 58, 83, 111 | [54] |
| α-PBT | No data | 223.33 | 224 | 112 | [60] |
| 5-Br-α-PBT | No data | 302.23 | 302/304 | 112 | [60] |
| 4-Br-α-PBT | 302/304 | 112 | |||
| 3-Br-α-PBT | 302/304 | 112 | |||
| 5-Br-α-PVT | No data | 316.26 | 316/318 | 126, 189, 191 | [60] |
| 4-Br-α-PVT | 316/318 | 126, 189, 191 | |||
| 3-Br-α-PVT | 316/318 | 126, 189, 191 | |||
| 4,5-Br-α-PVT | 395.15 | 393/395 | 126, 267, 269, 271 |
The boldface figures shown in the data for LC–ESI-MS/MS and GC–EI-MS are precursor ions and base peaks, respectively