molecular formula C19H23ClN2 B1669221 Clomipramin CAS No. 303-49-1

Clomipramin

Katalognummer: B1669221
CAS-Nummer: 303-49-1
Molekulargewicht: 314.9 g/mol
InChI-Schlüssel: GDLIGKIOYRNHDA-UHFFFAOYSA-N
Achtung: Nur für Forschungszwecke. Nicht für den menschlichen oder tierärztlichen Gebrauch.
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Beschreibung

Clomipramin ist ein trizyklisches Antidepressivum, das in erster Linie zur Behandlung von Zwangsstörungen eingesetzt wird. Es ist auch wirksam bei der Behandlung anderer Erkrankungen wie Major Depression, Panikstörung und chronischen Schmerzen. This compound wurde 1964 vom Schweizer Pharmaunternehmen Ciba-Geigy entdeckt und wird unter anderem unter dem Markennamen Anafranil verkauft .

Wirkmechanismus

Target of Action

Clomipramine, a tricyclic antidepressant (TCA), primarily targets the serotonin and norepinephrine reuptake transporters . These transporters are responsible for the reabsorption of serotonin and norepinephrine into the presynaptic neuron after they have completed their function of transmitting a neural impulse. By inhibiting these transporters, clomipramine increases the levels of serotonin and norepinephrine in the synaptic cleft, enhancing their neurotransmission .

Mode of Action

Clomipramine acts as a potent inhibitor of serotonin reuptake and a less potent inhibitor of norepinephrine reuptake . It binds to the serotonin and norepinephrine transporters, blocking their action, which leads to an increased concentration of these neurotransmitters in the synaptic cleft . This results in prolonged neurotransmitter action on the post-synaptic receptors, enhancing serotonergic and noradrenergic neurotransmission .

Biochemical Pathways

The enhanced serotonergic and noradrenergic neurotransmission resulting from clomipramine’s action can affect various biochemical pathways. For instance, it has been reported that clomipramine can interfere with the autophagic flux, a crucial cellular degradation pathway . This interference can lead to changes in the metabolomic pathways associated with the pathophysiology of depression .

Pharmacokinetics

Clomipramine is rapidly absorbed from the gastrointestinal tract and is extensively metabolized in the liver, primarily by the CYP2D6 enzyme, to its active metabolite, desmethylclomipramine . The bioavailability of clomipramine is approximately 50% . It has a high protein binding capacity of 96-98% . The elimination half-life of clomipramine is 19-37 hours, and that of desmethylclomipramine is 54-77 hours . It is excreted in the urine (51-60%) and feces (24-32%) .

Result of Action

The increased levels of serotonin and norepinephrine in the synaptic cleft due to clomipramine’s action can lead to various molecular and cellular effects. These include down-regulation of cerebral cortical β-adrenergic receptors and sensitization of post-synaptic serotonergic receptors with chronic use . This can result in mood elevation in depressed individuals . Moreover, clomipramine has been found to inhibit neuronal autophagic flux, which can have significant implications for cellular viability and function .

Action Environment

Environmental factors can influence the action, efficacy, and stability of clomipramine. For instance, factors such as pollution and smoking can enhance the risk of negative outcomes . Furthermore, the route of administration can affect the drug’s action. For example, intranasal administration of clomipramine has been associated with more significant changes in the metabolites composition in the frontal cortex compared to other routes .

Wissenschaftliche Forschungsanwendungen

Clomipramin hat eine große Bandbreite an Anwendungen in der wissenschaftlichen Forschung:

5. Wirkmechanismus

This compound wirkt, indem es die Wiederaufnahme von Serotonin und Noradrenalin im zentralen Nervensystem hemmt. Dies führt zu erhöhten Konzentrationen dieser Neurotransmitter im synaptischen Spalt, was zu einer verstärkten Neurotransmission führt. Die Verbindung blockiert auch Histamin-H1-Rezeptoren, α1-adrenerge Rezeptoren und muskarinische Rezeptoren, was zu ihren sedativen, blutdrucksenkenden und anticholinergen Wirkungen beiträgt .

Ähnliche Verbindungen:

Einzigartigkeit von this compound: this compound ist einzigartig aufgrund seiner starken Hemmung der Serotonin-Wiederaufnahme im Vergleich zu anderen trizyklischen Antidepressiva. Dies macht es besonders wirksam bei der Behandlung von Zwangsstörungen. Darüber hinaus hemmt sein Metabolit, Desmethylthis compound, bevorzugt die Noradrenalin-Wiederaufnahme, was einen dualen Wirkmechanismus bietet .

Vorbereitungsmethoden

Synthesewege und Reaktionsbedingungen: Clomipramin wird in einem mehrstufigen Verfahren aus Iminodibenzyl synthetisiert. Die wichtigsten Schritte umfassen:

Industrielle Produktionsmethoden: Die industrielle Produktion von this compound erfolgt in der Regel nach dem gleichen Syntheseweg, jedoch im größeren Maßstab. Der Prozess beinhaltet eine strenge Kontrolle der Reaktionsbedingungen, um eine hohe Reinheit und Ausbeute zu gewährleisten. Das Endprodukt wird oft in seine Hydrochloridsalzform umgewandelt, um Stabilität und einfache Formulierung zu gewährleisten .

Analyse Chemischer Reaktionen

Reaktionstypen: Clomipramin durchläuft verschiedene Arten chemischer Reaktionen, darunter:

Häufige Reagenzien und Bedingungen:

Hauptprodukte, die gebildet werden:

Vergleich Mit ähnlichen Verbindungen

Uniqueness of Clomipramine: Clomipramine is unique due to its strong inhibition of serotonin reuptake compared to other tricyclic antidepressants. This makes it particularly effective in treating obsessive-compulsive disorder. Additionally, its metabolite, desmethylclomipramine, preferentially inhibits norepinephrine reuptake, providing a dual mechanism of action .

Eigenschaften

IUPAC Name

3-(2-chloro-5,6-dihydrobenzo[b][1]benzazepin-11-yl)-N,N-dimethylpropan-1-amine
Source PubChem
URL https://pubchem.ncbi.nlm.nih.gov
Description Data deposited in or computed by PubChem

InChI

InChI=1S/C19H23ClN2/c1-21(2)12-5-13-22-18-7-4-3-6-15(18)8-9-16-10-11-17(20)14-19(16)22/h3-4,6-7,10-11,14H,5,8-9,12-13H2,1-2H3
Source PubChem
URL https://pubchem.ncbi.nlm.nih.gov
Description Data deposited in or computed by PubChem

InChI Key

GDLIGKIOYRNHDA-UHFFFAOYSA-N
Source PubChem
URL https://pubchem.ncbi.nlm.nih.gov
Description Data deposited in or computed by PubChem

Canonical SMILES

CN(C)CCCN1C2=CC=CC=C2CCC3=C1C=C(C=C3)Cl
Source PubChem
URL https://pubchem.ncbi.nlm.nih.gov
Description Data deposited in or computed by PubChem

Molecular Formula

C19H23ClN2
Source PubChem
URL https://pubchem.ncbi.nlm.nih.gov
Description Data deposited in or computed by PubChem

Related CAS

17321-77-6 (mono-hydrochloride)
Record name Clomipramine [INN:BAN]
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DSSTOX Substance ID

DTXSID6022844
Record name Clomipramine
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Molecular Weight

314.9 g/mol
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Physical Description

Solid
Record name Clomipramine
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Boiling Point

160-170 °C at 3.00E-01 mm Hg, 160-170 °C at 0.3 mm Hg
Record name Clomipramine
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Solubility

1.44e-02 g/L
Record name Clomipramine
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Mechanism of Action

Clomipramine is a strong, but not completely selective serotonin reuptake inhibitor (SRI), as the active main metabolite desmethyclomipramine acts preferably as an inhibitor of noradrenaline reuptake. α1-receptor blockage and β-down-regulation have been noted and most likely play a role in the short term effects of clomipramine. A blockade of sodium-channels and NDMA-receptors might, as with other tricyclics, account for its effect in chronic pain, in particular the neuropathic type., The pharmacology of clomipramine is complex and in many ways resembles that of other antidepressants, particularly those agents (eg, selective serotonin-reuptake inhibitors, trazodone) that predominantly potentiate the pharmacologic effects of serotonin (5-HT). Although clomipramine's principal pharmacologic effect in vitro is the selective inhibition of serotonin reuptake, in vivo the drug's pharmacologic activity is not so selective because of the action of its demethylated metabolite, desmethylclomipramine, as an inhibitor of norepinephrine reuptake. As a result of this and other effects, clomipramine also shares the pharmacologic profile of other tricyclic antidepressants., The precise mechanism of action that is responsible for the efficacy of clomipramine in the treatment of obsessive-compulsive disorder is unclear. However, because of its pronounced potency in blocking serotonin reuptake at the presynaptic neuronal membrane and its efficacy in the treatment of obsessive-compulsive disorder, a serotonin hypothesis has been developed to explain the pathogenesis of the condition. The hypothesis postulates that a dysregulation of serotonin is responsible for obsessive-compulsive disorder and that clomipramine is effective because it corrects this imbalance., Clomipramine and its principal metabolite, desmethylclomipramine, have been shown to block the reuptake of serotonin and norepinephrine, respectively, at the presynaptic neuronal membrane. The effects of serotonin and norepinephrine may thus be potentiated. However, it has been suggested that postsynaptic receptor modification is mainly responsible for the antidepressant action observed during long-term administration of antidepressant agents. During long-term therapy with most antidepressants (eg, tricyclic antidepressants, monoamine oxidase [MAO] inhibitors), these adaptive changes generally consist of subsensitivity of the noradrenergic adenylate cyclase system in association with a decrease in the number of beta-adrenergic receptors; such effects on noradrenergic receptor function commonly are referred to as "down-regulation." In addition, some antidepressants reportedly decrease the number of 5-HT binding sites following chronic administration., Clomipramine's principal metabolite, desmethylclomipramine, is an inhibitor of norepinephrine reuptake. Clomipramine decreases the concentration of 3-methoxy-4-hydroxyphenylglycol (MHPG), a metabolite of norepinephrine, in CSF in patients with obsessive-compulsive disorder. Patients with depressive affective (mood) disorders (e.g., major depressive episode) also exhibit decreases in concentrations of 5-HIAA and MHPG in CSF during treatment with clomipramine. The decrease in the concentration of 5-HIAA in CSF was correlated with inhibition of the in vitro uptake of 3H-serotonin in plasma. The change in concentration of MHPG in CSF during clomipramine therapy was correlated with amelioration of depression., For more Mechanism of Action (Complete) data for Clomipramine (10 total), please visit the HSDB record page.
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Impurities

N-[3-(3-chloro-10,11-dihydro-5H-dibenzo[b,f]azepin-t-yl)propyl]-N,N',N'-trimethylpropane-1,3-diamine, 3-(3-chloro-5H-dibenzo[b,f]azepin-5-yl]-N,N-dimethylpropan-1-amine, 3-(3,7-dichloro-10,11-dihydro-5H-dibenzol[b,f]azepin-5-yl)-N,N-dimethylpropan-1-amine, 3-chloro-5-[3-(dimethylamino)propyl]-10,11-dihydro-5H-dibenz[b,f]azepine, For more Impurities (Complete) data for Clomipramine (11 total), please visit the HSDB record page.
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CAS No.

303-49-1
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Melting Point

191.5-192, 189.5 °C
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Retrosynthesis Analysis

AI-Powered Synthesis Planning: Our tool employs the Template_relevance Pistachio, Template_relevance Bkms_metabolic, Template_relevance Pistachio_ringbreaker, Template_relevance Reaxys, Template_relevance Reaxys_biocatalysis model, leveraging a vast database of chemical reactions to predict feasible synthetic routes.

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Strategy Settings

Precursor scoring Relevance Heuristic
Min. plausibility 0.01
Model Template_relevance
Template Set Pistachio/Bkms_metabolic/Pistachio_ringbreaker/Reaxys/Reaxys_biocatalysis
Top-N result to add to graph 6

Feasible Synthetic Routes

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