Research Article

A QSRR Modeling of Hazardous Psychoactive Designer Drugs Using GA-PlS and L-M ANN

Table 1

The data set, structure, and the corresponding observed 𝑘 values.

No.NameStructure 𝑘 E X P

Calibration set

1N-[2-(5-Methoxyindol-3-yl)ethyl]acetamide (Melatonin)C13H16N2O20.09
22-Amino-3-(5- hydroxyindolin-3-yl)propanoic acid,5-hydroxy-tryptophan (5-HO-TP)C11H12N2O30.31
33-Methoxy-tyramine (3-MT)C9H13NO20.39
43-(2-Aminoethyl)indol-5-ol (5-HO-T)C10H12N2O0.46
5(Dimethylaminoethyl)- 1H-indol-5-ol (Bufotenin)C12H16N2O0.50
6p-Methoxyphen ethylamineC9H13NO0.53
72-(3,4-Dimethoxyphenyl)ethylamine (DMPEA)C10H15NO20.59
81-Methyl-3,4-dihydrobeta-carbolin-7-ol (Hannalol)C12H12N2O0.68
92-(3,4-Dimethoxyphenyl)-N-methylethylamine (N-Me-DMPEA)C11H17NO20.69
101-Methylbeta-carbolin-7-ol (Harmol)C12H10N2O0.71
112-(Methylamino)-1-phenylpropan-1-one (Methcathinone)C10H12NO0.85
121-(p-Fluorophenyl)piperazine (4FPP)C10H13FN20.87
132-PhenylethylamineC8H11N0.89
142-Dimethylamino-1-phenylpropan-1-one (Dimethylcathinone)C11H15NO0.9
151-(2-Methoxyphenyl)piperazine (2MPP)C11H16N2O0.98
162,5-Dimethoxyphenethylamine (2C–H)C10H15NO21.00
171-(3-Methoxyphenyl)piperazine (3MPP)C11H16N2O1.01
182-Ethylamino-1-phenyl-propan-1-one (Ethcathinone)C11H15NO1.02
191-(3-Fluorophenyl)piperazine (3FPP)C10H13FN21.03
201-(4-Methoxyphenyl)piperazine (4MPP)C11H16N2O1.04
211-(2-Fluorophenyl)piperazine (2FPP)C10H13FN21.07
221-(6-Methoxy-2H-benzo[d]1,3-dioxolan-5-yl)prop-2-ylamine (MMDA-2)C11H15NO31.12
23[2-(5-Methoxyindol-3-yl)ethyl]dimethylamine (5-MeO-DMT)C13H18N2O1.13
241-(2-Fluorophenyl)prop-2-ylamine (2FMP)C9H12FN1.14
252,5-Dimethoxy-4-nitrolphenethylamine (2C–N)C10H14N2O41.22
26(2-Indol-3-ylethyl) dimethylamine, dimethyltryptamine (DMT)C12H16N21.23
27(Indol-3-ylmethyl)dimethylamine (Gramine)C11H14N21.26
282-Amino-1-(3,4-methylenedioxy phenyl)butane (BDB)C11H15NO21.29
29[2-(4-Methoxyphenyl)-isopropyl]methylamine (PMMA)C11H17NO1.3
301-(3-Fluorophenyl)prop-2-ylamine (3FMP)C9H12FN1.31
314-Fluoro-N-hydroxyamphetamine (N-HO-4FMP)C9H12FNO1.32
32N,N-Diethyltryptamine (DET)C14H20N21.35
33Methylbeta-carboline (Harman)C12H10N21.36
34N-Methyl-1-(1,3-benzodioxol-5- yl)-2-butanamine (MBDB)C12H17NO21.44
351-(o-Chlorophenyl)piperazine (2CPP)C10H13ClN21.45
361-(3-Chlorophenyl)piperazine (3CPP)C10H13ClN21.49
373-{2-[Bis(methylethyl)amino]ethyl} indol-4-ol (4-HO-DIPT)C16H24N2O1.53
382-Ethylamino-1-(4-methoxyphenyl)propane (PMEA)C12H19NO1.54
391-(2,3-Dimethylphenyl)piperazine (2 3-XP)C12H18N21.59
40Diethyl[2-(5-methoxyindol-3-yl)ethyl]amine (5-MeO-DET)C15H22N2O1.60
411-(3-Trifluoromethylphenyl)piperazine (4-TFMPP)C11H13F3N21.63
42[2-(5-Methoxyindol-3-yl)ethyl]methyl (methylethyl)amine (5-MeO-MIPT)C15H22N2O1.64
434-Chloro-2,5-dimethoxyphenethylamine (2C–C)C10H14ClNO21.65
447-Methoxy-1-methylbeta-carboline (Harmine)C13H12N2O1.67
451-(2,4-Dimethylphenyl)piperazine (2,4-XP)C12H18N21.71
463-{2-[Methyl (methylethyl)amino]ethyl} indol-4-ol (4HO-MIPT)C14H20N2O1.72
474-Bromo-2,5-dimethoxyphenethylamine (2C-B)C10H14BrNO21.73
48(2-Indol-3-ylethyl)methyl (methylethyl)amine (MIPT)C14H20N21.75
491-(4-Chloro-2,5-dimethoxy phenyl)prop-2-ylamine (DOC)C11H16ClNO21.83
501-(3-Thienylmethyl)piperazine (3TMP)C9H14N2S1.89
514-Iodo-2,5-dimethoxyphenethylamine (2C-I)C10H14INO21.90
523-{2-[Methyl(methylethyl)- amino]ethyl}indo-4-yl acetate (4-AcO-MIPT)C16H22N2O21.92
53Bis(methylethyl)[2-(5-methoxyindol-3-yl)ethyl]amine (5-MeO-DIPT)C17H26N2O1.97
543,4-Trimethyleneamphetamine (3,4-TMA)C12H17N2.00
552,5-Dimethoxy-4-ethylphenethylamine (2C-E)C12H19NO22.01
561-BenzyM-methylpiperazine (MBZP)C12H18N22.03
572,5-Dimethoxy-4-ethylthio amphetamine (ALEPH-2)C13H21NO2S2.04
581-Benzylpiperazine (BZP)C11H16N22.06
592-(4-Iodo-2,5-dimethoxyphenyl)ethylamine (DOI)C11H16INO22.07
60Bis(methylethyl)(2-indol-3-ylethyl)amine (DIPT)C16H24N22.08
611-(2-Phenylethyl)piperazine (2PEP)C12H18N22.19
622,5-Dimethoxy-4-propylthiophenethylamine (2C-T-7)C13H21NO2S2.22
63[2-(5-Methoxyindol-3-yl)ethyl]dipropylamine (5-MeO-DPT)C17H26N2O2.45

Prediction set

64N,N-Dimethylaminotyramine (Hordenine)C10H15N1O10.44
652-(4-(2-Aminoethyl)-2,5-dimethoxy phenylthio)ethanol (2C-T-2-OH)C12H19NO3S0.56
662-Methylamino-1-(3,4-methylene dioxyphenyl)propan-1-one (Mlone)C11H13NO30.78
672,4,5-Trimethoxyamphetamine (TMA-2)C12H19NO30.89
682-(5-Methoxyindol-3-yl)ethylamine (5MeO-T)C11H14N2O0.92
692-Indol-3-ylethylamine (T)C10H12N21.00
70N-Methyl-3,4-methylenedioxyamphetamine (MDMA)C11H15NO21.10
711-(5-Methoxyindol-3-yl)prop-2-ylamine (5-MeO-AMT)C12H16N2O1.13
72(2-Indol-3-ylethyl)methylamine (NMT)C11H14N21.17
73Methyl(1-methyl-2-phenylethyl)amine, Methamphetamine (MA)C10H15N1.29
744-(2H-Benzo[d]1,3-dioxolan-5-yl)- 3-methylbutan-2-ol (FLEA)C11H15NO31.38
75[2-(4-Fluorophenyl)-isopropyl]methylamine (N-Me-4FMP)C10H14FN1.48
761-(p-Chlorophenyl)piperazine (4CPP)C10H13ClN21.50
771-(3,4-Dimethylphenyl)piperazine (3,4-XP)C12H18N21.59
787-Methoxy-1-methyl- 3,4-dihydrobetacarboline (Harmaline)C13H14N2O1.67
791-(5-Trifluoromethylphenyl)piperazine (TFMPP)C11H13F3N21.72
80N-Ethyl-N-(2-(5- methoxy-li/-indol-3- yl)ethyl)propan-2-amine (5-MeO-EIPT)C16H24N2O1.81
813-{2-[Bis(methylethyl)-amino]ethyl} indol-4-yl acetate (4-AcO-DIPT)C18H26N2O21.95
82[2-(5-Methoxyindol-3-yl)ethyl]diprop-2-enylamine (5-MeO-DALT)C17H22N2O2.06
832,5-Dimethoxy-4-isopropylthio phenethylamine (2C-T-4)C13H21NO2S2.15
84(2-Indol-3-ylethyl)dipropylamine (DPT)C16H24N22.37

Test set

854-(2-Aminoethyl)phenol (Tyramine)C8H11NO0.36
86p-Hydroxy-methamphetamine (4HO-MA)C10H15NO0.50
87(2R)-2-Amino-3-indol-3-ylpropanoic acid (TP)C11H12N2O20.60
883,4,5-Trimethoxyamphetamine (TMA)C12H19NO30.87
892-Ethylamino-1-(3,4-methylenedioxyphenyl)propan-1-one (bk-MDEA)C12H15NO30.95
901-Phenylpiperazine (PP)C10H14N21.00
912-Methylamino-1-(3,4-methylenedioxy phenyl)butan-1-one (bk-MBDB)C12H15NO31.04
921-Phenylprop-2-ylamine, Amphetamine (AM)C9H13N1.13
931-Indol-3-ylprop-2-ylamine (AMT)C11H14N21.25
941-(4-Fluorophenyl)prop-2-ylamine, 4-Fluoromethamphetamine (4FMP)C9H12FN1.34
95(3-(2H-Benzo[d] 1,3-dioxolan-5-yl)-1- methylpropyl)methylamine (HMDMA)C12H17NO21.45
961-(4-Fluorophenyl)-2-methyl-2-propylamine (4F-Phentermine)C10H14FN1.54
972,4,6-Trimethoxyamphetamine (TMA-6)C12H19NO31.61
981-(2,5-Dimethylphenyl)piperazine (2,5-XP)C12H18N21.69
991-(2H-Benzo[d]1,3-dioxolan-5-yl)- 2-pyrrolidinylpentan-1-one (MDPV)C16H21NO31.73
1002,5-Dimethoxy-4-ethylthiophenethylamine (2C-T-2)C12H19NO2S1.87
1012-[(tert-Butyl)amino]-1-(3-chloro phenyl)propan-1-one (Bupropion)C13H18ClNO1.98
1022-Aminopropiophenone (Cathinone)C9H11NO2.05
103Piperonylpiperazine (MDBZP)C12H16N2O22.08
1042-(2,4,5-Trichloro-3,6-dimethoxy phenyl)ethylamine (2C-C-3)C10H12Cl3NO22.23