Forensic Science and Technology

Identification of 2-(2-chlorophenyl)-2-nitrocyclohexanone in the Seized Drugs

WU Wenxian, XU Boyang, ZHANG Hongjian

Forensic Science and Technology, 2023, 48(3): 268-274. DOI: 10.16467/j.1008-3650.2023.0004

名称	未知化合物	氯胺酮	相对相差/ppm	元素组成
离子峰1	125.0151	125.0152	0.8	C₇H₆Cl⁺
离子峰2	179.0619	179.0619	0	C₁₁H₁₂Cl⁺
离子峰3	207.0567	207.0568	0.5	C₁₂H₁₂ClO⁺

Table 1 Exact masses of product ions of the sample and Ketamine

Other figure/table from this article

Fig.1 The structure of 2-(2-Chlorophenyl)-2-nitrocyclohexanone
Fig.2 Mass spectra of the sample by UHPLC-HRMS in the MS1 mode
Fig.3 Mass spectra of the sample by UHPLC-HRMS in the MS² mode (a: 276.0391; b: 271.0839)
Fig.4 FTIR ATR spectrums of the sample
Table 2 NMR data of the sample in MeOD (δ in ppm)
Fig.5 The proposed ESI fragmentation pathways of product ions
Fig.6 Synthesis of Ketamine by 2-(2-chlorophenyl)-2-nitrocyclohexanone