Tetrindole

Chemical compound

None

Identifiers

IUPAC name

2,3,3a,4,5,6-Hexahydro-8-cyclohexyl-1H-pyrazino[3,2,1-j,k]carbazole

PubChem CID

160020

ChemSpider

140675^Y

ChEBI

CHEBI:77799^N

Chemical and physical dataFormulaC₂₀H₂₆N₂Molar mass294.442 g·mol⁻¹3D model (JSmol)

Interactive image

SMILES

C1CCC(CC1)C2=CC3=C(C=C2)N4CCNC5C4=C3CCC5

InChI

InChI=1S/C20H26N2/c1-2-5-14(6-3-1)15-9-10-19-17(13-15)16-7-4-8-18-20(16)22(19)12-11-21-18/h9-10,13-14,18,21H,1-8,11-12H2^Y
Key:AUXCHYJDVJZEPG-UHFFFAOYSA-N^Y

^NY (what is this?) (verify)

Tetrindole was a drug candidate that functions by reversibly inhibiting monoamine oxidase A; it was first synthesized in Moscow in the early 1990s.^[1] Tetrindole is similar in its chemical structure to pirlindole (Pyrazidol), and metralindole.^[2]

References

^ Medvedev AE, Kirkel AA, Kamyshanskaya NS, Moskvitina TA, Axenova LN, Gorkin VZ, et al. (January 1994). "Monoamine oxidase inhibition by novel antidepressant tetrindole". Biochemical Pharmacology. 47 (2): 303–8. doi:10.1016/0006-2952(94)90021-3. PMID 8304974.
^ Ramsay RR, Gravestock MB (March 2003). "Monoamine oxidases: to inhibit or not to inhibit". Mini Reviews in Medicinal Chemistry. 3 (2): 129–36. doi:10.2174/1389557033405287. PMID 12570845.

Antidepressants (N06A)

Specific reuptake inhibitors and/or receptor modulators

SSRIsTooltip Selective serotonin reuptake inhibitors	Citalopram Escitalopram Fluoxetine^# Fluvoxamine Indalpine^‡ Paroxetine Sertraline Zimelidine^‡
SNRIsTooltip Serotonin–norepinephrine reuptake inhibitors	Desvenlafaxine Duloxetine Levomilnacipran Milnacipran Tofenacin Venlafaxine
NRIsTooltip Norepinephrine reuptake inhibitors	Atomoxetine Reboxetine Viloxazine
NDRIsTooltip Norepinephrine–dopamine reuptake inhibitors	Amineptine^‡ Bupropion Nomifensine^‡
NaSSAsTooltip Noradrenergic and specific serotonergic antidepressants	Mianserin Mirtazapine Setiptiline
SARIsTooltip Serotonin antagonist and reuptake inhibitors	Etoperidone Nefazodone Trazodone
SMSTooltip Serotonin modulator and stimulators	Vilazodone Vortioxetine
Others	Agomelatine Amisulpride Dextromethorphan/bupropion Esketamine Etryptamine^‡ Gepirone Indeloxazine Flupentixol Ketamine^§ Medifoxamine^‡ Metryptamine^‡ Oxaflozane^‡ Pivagabine^‡ Tandospirone Teniloxazine Tianeptine

Tricyclic and tetracyclic antidepressants

TCAsTooltip Tricyclic antidepressants	Amineptine^‡ Amitriptyline^# Amitriptylinoxide Amoxapine Butriptyline^‡ Clomipramine^# Demexiptiline^‡ Desipramine Dibenzepin Dimetacrine^‡ Dosulepin Doxepin Imipramine Imipraminoxide^‡ Iprindole^‡ Lofepramine Melitracen Metapramine^‡ Nitroxazepine Nortriptyline Noxiptiline Opipramol Pipofezine Propizepine^‡ Protriptyline Quinupramine^‡ Tianeptine Trimipramine
TeCAsTooltip Tetracyclic antidepressants	Maprotiline Mianserin Mirtazapine Setiptiline
Others	Tiazesim

Monoamine oxidase inhibitors

Non-selective	Irreversible: Benmoxin^‡ Iproclozide^‡ Iproniazid^‡ Isocarboxazid Isoniazid^# Linezolid^# Mebanazine^‡ Nialamide^‡ Octamoxin^‡ Phenelzine Pheniprazine^‡ Phenoxypropazine^‡ Pivhydrazine^‡ Safrazine^‡ Tedizolid Tranylcypromine Reversible: Caroxazone^‡ Mixed: Bifemelane
MAO_ATooltip Monoamine oxidase A-selective	Reversible: Eprobemide Metralindole Minaprine^‡ Moclobemide Pirlindole Tetrindole Toloxatone
MAO_BTooltip Monoamine oxidase B-selective	Irreversible: Selegiline

Adjunctive therapies
Atypical antipsychotics (aripiprazole, brexpiprazole, lurasidone, olanzapine, quetiapine, risperidone) Buspirone Lithium (lithium carbonate, lithium citrate) Thyroid hormones (triiodothyronine (T₃), levothyroxine (T₄))

Miscellaneous
Ademetionine (SAMe) GABAkine neurosteroids (brexanolone, zuranolone) Hypericum perforatum (St. John's Wort) Oxitriptan (5-HTP) Rubidium chloride (RbCl) Tryptophan

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

Monoamine metabolism modulators

Non-specific

AAADTooltip Aromatic L-amino acid decarboxylase

Substrates→Products: L-DOPA (levodopa)→Dopamine
5-HTP→Serotonin
L-Histidine→Histamine
Phenylalanine→Phenethylamine
L-Tyrosine→Tyramine
Tryptophan→Tryptamine

MAOTooltip Monoamine oxidase

Substrates→Products (with ALDHTooltip Aldehyde dehydrogenase/ALRTooltip ALR): Epinephrine (adrenaline)→DHMA Metanephrine→MHPG/VMA Norepinephrine (noradrenaline)→DHMA Normetanephrine→MHPG/VMA Dopamine→DOPAC 3-Methoxytyramine→HVA Serotonin→5-HIAA Inhibitors: Non-selective: Benmoxin Caroxazone Echinopsidine Furazolidone Guineesine Hydralazine Indantadol Iproclozide Iproniazid Isocarboxazid Isoniazid Linezolid Mebanazine Metfendrazine Nialamide Octamoxin Paraxazone Phenelzine Pheniprazine Phenoxypropazine Pivhydrazine Procarbazine Safrazine Tranylcypromine
Inhibitors: MAO-A-selective: Amiflamine Bazinaprine Befloxatone Brofaromine Cimoxatone Clorgiline CX157 (Tyrima) Eprobemide Esuprone Harmala alkaloids (e.g., harmine, harmaline, harman, norharman, tetrahydroharmine) Methylene blue Metralindole Minaprine Moclobemide Pirlindole Sercloremine Tetrindole Toloxatone
Inhibitors: MAO-B selective: Adarigiline Almoxatone D-Deprenyl Ethanol Ladostigil Lazabemide Milacemide Mofegiline Nicotine Pargyline^‡ Rasagiline Safinamide Selegiline (L-Deprenyl) Sembragiline

Phenethylamines
(dopamine, epinephrine,
norepinephrine)

PAHTooltip Phenylalanine hydroxylase	Substrates→Products: Phenylalanine→Tyrosine Inhibitors: 3,4-Dihydroxystyrene
THTooltip Tyrosine hydroxylase	Substrates→Products: Tyrosine→L-DOPA (levodopa) Inhibitors: 2-Hydroxyestradiol 2-Hydroxyestrone 3-Iodotyrosine Aquayamycin Bulbocapnine Metirosine Oudenone
DBHTooltip Dopamine beta-monooxygenase	Substrates→Products: Dopamine→Norepinephrine (Noradrenaline) Inhibitors: Bupicomide Disulfiram Dopastin Fusaric acid Nepicastat Phenopicolinic acid Tropolone
PNMTTooltip Phenylethanolamine N-methyltransferase	Substrates→Products: Norepinephrine (noradrenaline)→Epinephrine (adrenaline) Inhibitors: CGS-19281A SKF-64139 SKF-7698
COMTTooltip Catechol-O-methyl transferase	Substrates→Products: Dopamine→3-Methoxytyramine DOPAC→Homovanillic acid Norepinephrine→Normetanephrine Epinephrine→Metanephrine DOPEG→MOPEG DOMA→VMA 2-Hydroxyestradiol→2-Methoxyestradiol 2-Hydroxyestrone→2-Methoxyestrone 4-Hydroxyestradiol→4-Methoxyestradiol 4-Hydroxyestrone→4-Methoxyestrone Inhibitors: 2-Hydroxyestradiol 2-Hydroxyestrone Entacapone Neluxicapone Nitecapone Opicapone Quinalizarin Tolcapone

Tryptamines
(serotonin, melatonin)

TPHTooltip Tryptophan hydroxylase	Substrates→Products: Tryptophan→5-HTP Inhibitors: AGN-2979 Fenclonine (PCPA) Telotristat ethyl
AANATTooltip Serotonin N-acetyl transferase	Substrates→Products: Serotonin→N-Acetylserotonin
ASMTTooltip Acetylserotonin O-methyltransferase	Substrates→Products: N-Acetylserotonin→Melatonin

Histamine

HDCTooltip Histidine decarboxylase	Substrates→Products: L-Histidine→Histamine Inhibitors: Catechin Alpha-Fluoromethylhistidine Histidine methyl ester Meciadanol Naringenin Tritoqualine
HNMTTooltip Histamine N-methyltransferase	Substrates→Products: Histamine→N-Methylhistamine Inhibitors: Amodiaquine Diphenhydramine Harmaline Metoprine Quinacrine SKF-91488 Tacrine
DAOTooltip Diamine oxidase	Substrates→Products: Histamine→Imidazole acetic acid Inhibitors: Pimagedine (aminoguanidine)

See also: Receptor/signaling modulators • Adrenergics • Dopaminergics • Melatonergics • Serotonergics • Monoamine reuptake inhibitors • Monoamine releasing agents • Monoamine neurotoxins