Metralindole

Metralindole
Clinical data
Routes of; administration	Oral
ATC code	none;
Legal status
Legal status	In general: ℞ (Prescription only);
Identifiers
	IUPAC name 2,4,5,6-tetrahydro-9-methoxy-4-methyl-1H-3,4,6a-triazafluoranthene;
CAS Number	54188-38-4 ; HCl: 53734-79-5 ;
PubChem CID	68713 ;
ChemSpider	61964 ;
UNII	2QW3FL6OPA ; HCl: M15TM76Y3L ;
CompTox Dashboard (EPA)	DTXSID0045705 ;
Chemical and physical data
Formula	C15H17N3O
Molar mass	255.321 g·mol−1
3D model (JSmol)	Interactive image ;
	SMILES CN1CCN2C3=C(C=C(C=C3)OC)C4=C2C1=NCC4;

Last updated March 28, 2025

Metralindole (Inkazan) is a reversible inhibitor of monoamine oxidase A (RIMA) which was investigated in Russia as a potential antidepressant.^[1] It is structurally and pharmacologically related to pirlindole.

References

↑ Andreeva NI, Golovina SM, Faermark MF, Shvarts GI, Mashkovskiĭ MD (1991). "[The comparative influence of pyrazidol, inkazan and other antidepressant monoamine oxidase inhibitors on the pressor effect of tyramine]". Farmakologiia i Toksikologiia (in Russian). 54 (2): 38–40. PMID 1884793.

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[pmid1884793-1] Andreeva NI, Golovina SM, Faermark MF, Shvarts GI, Mashkovskiĭ MD (1991). "[The comparative influence of pyrazidol, inkazan and other antidepressant monoamine oxidase inhibitors on the pressor effect of tyramine]". Farmakologiia i Toksikologiia (in Russian). 54 (2): 38–40. PMID 1884793.

[1]

v t e Anxiolytics (N05B)
5-HT_1AR Tooltip 5-HT1A receptor agonists	Buspirone Gepirone Tandospirone
GABA_AR Tooltip GABAA receptor PAMs Tooltip positive allosteric modulators	Benzodiazepines: Adinazolam Alprazolam Bromazepam Camazepam Chlordiazepoxide Clobazam Clonazepam Clorazepate Clotiazepam Cloxazolam Diazepam ^# Ethyl loflazepate Etizolam Fludiazepam Halazepam Ketazolam Lorazepam ^# Medazepam Nordazepam Oxazepam Pinazepam Prazepam; Others: Alpidem ^‡ Barbiturates (e.g., phenobarbital) Carbamates (e.g., meprobamate) Carisoprodol Chlormezanone ^‡ Ethanol (alcohol) Etifoxine
Hypnotics	Zopiclone
Gabapentinoids (α₂δVDCC blockers)	Gabapentin Gabapentin enacarbil Phenibut Pregabalin
Antidepressants	SSRIs Tooltip Selective serotonin reuptake inhibitors (e.g., escitalopram) SNRIs Tooltip Serotonin-norepinephrine reuptake inhibitors (e.g., duloxetine) SARIs Tooltip Serotonin antagonist and reuptake inhibitors (e.g., trazodone) TCAs Tooltip Tricyclic antidepressants (e.g., clomipramine ^#) TeCAs Tooltip Tetracyclic antidepressants (e.g., mirtazapine) MAOIs Tooltip Monoamine oxidase inhibitors (e.g., phenelzine); Others: Agomelatine Bupropion Tianeptine Vilazodone Vortioxetine
Antipsychotics	Quetiapine Flupentixol
Sympatholytics (Antiadrenergics)	Alpha-1 blockers (e.g., prazosin) Alpha-2 agonists (e.g., clonidine, dexmedetomidine, guanfacine) Beta blockers (e.g., propranolol)
Others	Benzoctamine Cycloserine Fabomotizole Hydroxyzine Lorpiprazole Mebicar Mepiprazole Nicotine Opipramol Oxaflozane ^‡ Phenaglycodol Phenibut Picamilon Selank Tiagabine Tofisopam Validolum
^# WHO-EM ^‡ Withdrawn from market Clinical trials: ^† Phase III ^§Never to phase III

v t e Tryptamines
Tryptamines	1-Methyl-T 1-Methylpsilocin 1-Pr-5-MeO-AMT 2-HO-NMT 2-Me-DET 2-Methyl-5-HT 2,N,N-TMT 4,5-DHP-DMT 4,5-DHT 4-AcO-DALT 4-AcO-DET 4-AcO-DiPT 4-AcO-DPT 4-AcO-EPT 4-AcO-MALT 4-AcO-MET 4-AcO-MiPT 4-AcO-NMT 4-AcO-TMT 4-F-5-MeO-pyr-T 4-F-5-MeO-DMT 4-Fluoro-DMT 4-Fluoro-T 4-HO-5-MeO-T 4-HO-DALT 4-HO-DBT 4-HO-DET 4-HO-DPT 4-HO-DSBT 4-HO-EiBT 4-HO-EPT 4-HO-MALT 4-HO-MET 4-HO-McPT 4-HO-McPeT 4-HO-MiPT 4-HO-MPT 4-HO-MsBT 4-HO-NALT 4-HO-NiPT 4-HO-NMT 4-HO-PiPT 4-HO-pyr-T 4-HO-TMT 4-HT 4-MeO-DiPT 4-MeO-DMT 4-MeO-MiPT 4-MeO-T 4-PrO-DMT 4,5-MDO-DMT 4,5-MDO-DiPT 5-BT 5-Bromo-DMT 5-Bromo-T 5-Chloro-DMT 5-Chloro-T 5-CT 5-Ethoxy-DMT 5-Ethyl-DMT 5-Fluoro-DET 5-Fluoro-DMT 5-Fluoro-EPT 5-Fluoro-T 5-HO-DiPT 5-HO-NiPT 5-HTP (oxitriptan) 5-Me-MiPT 5-MeO-2-TMT 5-MeO-34MPEMT 5-MeO-7,N,N-TMT 5-MeO-DALT 5-MeO-DBT 5-MeO-DET 5-MeO-DiPT 5-MeO-DMT 5-MeO-DPT 5-MeO-EiPT 5-MeO-EPT 5-MeO-MALT 5-MeO-MET 5-MeO-MiPT 5-MeO-NET 5-MeO-NiPT 5-MeO-NMT 5-MeO-PiPT 5-MeO-pyr-T 5-MeO-NBpBrT 5-MeO-T (5-MT; mexamine) 5-MeO-T-NBOMe 5-MeS-DMT 5-Methyl-DMT 5-Methyl-T 5-MT-NB3OMe 5-NOT 5,6-MeO-MiPT 5,6-MDO-DiPT 5,6-MDO-DMT 5,6-MDO-MiPT 5,6-DHT 5,7-DHT 6-Fluoro-DET 6-Fluoro-DMT 6-Fluoro-T 6-MeO-DMT 6-MeO-T 6-Methyl-T 6,7-DHT 7-Chloro-T 7-MeO-T 7-Methyl-DMT 7-Methyl-T Acetryptine (5-AT) Aeruginascin (4-PO-TMT) AGH-107 AGH-192 AH-494 ALiPT Alpertine Baeocystin (4-PO-NMT) Benzotript (4-chlorobenzoyl-L-tryptophan) Bretisilocin (5-fluoro-MET) Bufotenidine (5-HTQ) Bufotenin (5-HO-DMT) Convolutindole A CP-132,484 DALT DBT Desformylflustrabromine DET DiPT DMT DPT E-6801 E-6837 EiPT EMDT EPT Ethocybin (4-PO-DET) FGIN-127 FGIN-143 FT-104 HIOC Idalopirdine Indolylethylfentanyl Indorenate Iprocin (4-HO-DiPT) Isamide Lespedamine MBT MET Milipertine Miprocin (4-HO-MiPT) MiPT MPT MS-245 MSBT N-Feruloylserotonin (moschamine) NBoc-DMT NET/NETP NiPT NMT Norbaeocystin (4-PO-T) NTBT O-4310 O-Pivalylbufotenine Oxypertine PiPT Psilacetin (O-acetylpsilocin; 4-AcO-DMT) Psilocin (4-HO-DMT) Psilocybin (4-PO-DMT) Psilomethoxin (4-HO-5-MeO-DMT) Pyr-T RS134-49 10,11-Secoergoline (α,N-Pip-T) Serotonin (5-HT) Solypertine ST-1936 Tryptamine (T) Tryptophan Yuremamine Z2876442907
N-Acetyltryptamines	2-Iodomelatonin 2-Phenylmelatonin 5-Methoxyluzindole 6-Chloromelatonin 6-Fluoromelatonin 6-Hydroxymelatonin 6-Methoxymelatonin 6,7-Dichloro-2-methylmelatonin α-Methylmelatonin Luzindole Melatonin Normelatonin (N-acetylserotonin; NAS) N-Acetyltryptamine N-Butanoylmelatonin N-Propionylmelatonin Piromelatine TIK-301
α-Alkyltryptamines	2,α-DMT 4-HO-αMT 4-HO-MPMI (lucigenol) 4-Me-αET 4-Me-αMT 5-Allyloxy-AMT 5-Chloro-αET 5-Chloro-αMT 5-Ethoxy-αMT 5-Fluoro-αET 5-Fluoro-αMT 5-iPrO-αMT 5-MeO-α,N,N-TMT 5-MeO-αET 5-MeO-αMT 5-MeO-MPMI 5-Methyl-αET 6-Fluoro-αMT 7-Chloro-αMT 7-Methyl-αET α-Methyl-5-HTP α-Methylmelatonin α-Methylserotonin (5-HO-αMT) α-Methyltryptophan (αMTP) α,N-DMT (N-methyl-αMT) α,N,N-TMT α,N,O-TMS αET (etryptamine) αMT AL-37350A (4,5-DHP-αMT) BK-5Br-NM-AMT BK-5Cl-NM-AMT BK-5F-NM-AMT BK-NM-AMT BW-723C86 CP-135807 IPAP (α,N-DPT) MPMI Soclenicant (BNC-210)
Triptans	Almotriptan Donitriptan Eletriptan Frovatriptan L-694247 Rizatriptan Sumatriptan Zolmitriptan
Cyclized tryptamines	Bay R 1531 Ciclindole Cyclic 3-OHM Ergolines and lysergamides (e.g., LSD) Flucindole Harmala alkaloids and β-carbolines (e.g., 6-MeO-THH, 9-Me-BC, β-carboline (norharman), harmaline, harmalol, harmane, harmine, pinoline, tetrahydroharmine, tryptoline) Iboga alkaloids and related (e.g., DM-506 (ibogaminalog), ibogaine, ibogamine, noribogaine, tabernanthalog, tabernanthine) LY-266,097 Metralindole NDTDI PHA-57378 PNU-22394 PNU-181731 RU-28306 Yohimbans (e.g., yohimbine, rauwolscine, spegatrine, corynanthine, ajmalicine, reserpine, deserpidine, rescinnamine)
Isotryptamines	5-MeO-isoDMT 6-MeO-isoDMT isoAMT isoDMT Isotryptamine (isoT) PNU-181731 Ro60-0175 Zalsupindole (DLX-001, AAZ-A-154)
Related compounds	2-Azapsilocin 4-Aza-5-MeO-DPT 5-Aza-4-MeO-DiPT 5-HIAA 5-HIAL 5-HITCA 5-MIAL 7-Aza-5-MeO-DiPT AL-34662 AL-38022A Benzofurans (e.g., 3-APB, 5-MeO-DiBF, BPAP, dimemebfe, mebfap) BRL-54443 CP-94253 EMD-386088 I-32 IAL Latrepirdine LY-367265 Masupirdine Non-tryptamine triptans (e.g., avitriptan, LY-334370, naratriptan) Pirlindole (R)-69 (3IQ) Ro60-0213 RU-24,969 Sertindole SN-22 Tepirindole Tetrindole VER-3323 VU6067416 YM-348

Clinical data

Routes of administration	Oral
ATC code	none
Legal status
Legal status	In general: ℞ (Prescription only)
Identifiers
IUPAC name 2,4,5,6-tetrahydro-9-methoxy-4-methyl-1H-3,4,6a-triazafluoranthene
CAS Number	54188-38-4 HCl: 53734-79-5 ^Y
PubChem CID	68713
ChemSpider	61964
UNII	2QW3FL6OPA HCl: M15TM76Y3L ^Y
CompTox Dashboard (EPA)	DTXSID0045705
Chemical and physical data
Formula	C₁₅H₁₇N₃O
Molar mass	255.321 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES CN1CCN2C3=C(C=C(C=C3)OC)C4=C2C1=NCC4

Metralindole

See also

References