Bupropion
カタログ番号:
B3432513
CAS番号:
34841-39-9
分子量:
239.74 g/mol
InChIキー:
SNPPWIUOZRMYNY-UHFFFAOYSA-N
注意:
研究専用です。人間または獣医用ではありません。
概要
説明
Bupropion, also known by its chemical name 2-(tert-butylamino)-1-(3-chlorophenyl)propan-1-one, is a unique compound primarily used as an antidepressant and smoking cessation aid. It was first developed in 1966 and patented in 1974 by Burroughs Wellcome, later marketed under the brand names Wellbutrin and Zyban . This compound is classified as a norepinephrine-dopamine reuptake inhibitor (NDRI), distinguishing it from other antidepressants that typically target serotonin pathways .
準備方法
Synthetic Routes and Reaction Conditions
The synthesis of bupropion hydrochloride involves several key steps. One common method starts with the bromination of 3’-chloropropiophenone using bromine in the presence of tert-butylamine to form the this compound free base. This is followed by the addition of hydrochloric acid to obtain this compound hydrochloride . Another method involves the bromination of m-chloropropiophenone with sodium bromide and sulfuric acid, followed by amination with tert-butylamine and acidification with hydrogen chloride .
Industrial Production Methods
Industrial production of this compound hydrochloride typically follows similar synthetic routes but is optimized for large-scale manufacturing. The process involves bromination, amination, and acidification steps, with a focus on high yield, low cost, and environmental sustainability. For instance, using polymer-bound pyridinium tribromide instead of liquid bromine can make the process greener and safer .
化学反応の分析
Types of Reactions
Bupropion undergoes various chemical reactions, including:
Oxidation: this compound can be oxidized to form hydroxythis compound, a major active metabolite.
Reduction: Reduction reactions can convert this compound to its corresponding alcohol derivatives.
Substitution: Halogen substitution reactions can modify the chlorophenyl group.
Common Reagents and Conditions
Oxidation: Common oxidizing agents include potassium permanganate and chromium trioxide.
Reduction: Reducing agents like lithium aluminum hydride or sodium borohydride are used.
Substitution: Halogenation reagents such as bromine or chlorine in the presence of catalysts.
Major Products Formed
Hydroxythis compound: Formed through oxidation, it is an active metabolite with similar pharmacological effects.
Threohydrothis compound and Erythrohydrothis compound: Formed through reduction reactions.
科学的研究の応用
Bupropion has a wide range of scientific research applications:
Chemistry: Used as a model compound in studies of NDRIs and their synthesis.
Biology: Investigated for its effects on neurotransmitter systems, particularly dopamine and norepinephrine.
Industry: Employed in the development of new antidepressant formulations and smoking cessation aids.
作用機序
Bupropion exerts its effects by inhibiting the reuptake of norepinephrine and dopamine, thereby increasing their levels in the synaptic cleft and prolonging their action . It binds to the norepinephrine transporter (NET) and the dopamine transporter (DAT), preventing the reabsorption of these neurotransmitters into presynaptic neurons . Additionally, this compound acts as a negative allosteric modulator of nicotinic acetylcholine receptors, contributing to its efficacy in smoking cessation .
類似化合物との比較
Similar Compounds
Duloxetine: A serotonin-norepinephrine reuptake inhibitor (SNRI) used for depression and anxiety.
Venlafaxine: Another SNRI with similar applications.
Methylphenidate: A dopamine-norepinephrine reuptake inhibitor used primarily for attention deficit hyperactivity disorder (ADHD).
Uniqueness of Bupropion
This compound is unique among antidepressants due to its lack of significant serotonergic effects, which reduces the risk of sexual dysfunction and weight gain commonly associated with other antidepressants . Its dual action on norepinephrine and dopamine reuptake makes it particularly effective for patients with hypersomnia and fatigue .
特性
IUPAC Name |
2-(tert-butylamino)-1-(3-chlorophenyl)propan-1-one |
Source
|
|---|---|---|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
InChI |
InChI=1S/C13H18ClNO/c1-9(15-13(2,3)4)12(16)10-6-5-7-11(14)8-10/h5-9,15H,1-4H3 |
Source
|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
InChI Key |
SNPPWIUOZRMYNY-UHFFFAOYSA-N |
Source
|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
Canonical SMILES |
CC(C(=O)C1=CC(=CC=C1)Cl)NC(C)(C)C |
Source
|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
Molecular Formula |
C13H18ClNO |
Source
|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
DSSTOX Substance ID |
DTXSID7022706 |
Source
|
| Record name | Bupropion | |
| Source | EPA DSSTox | |
| URL | https://comptox.epa.gov/dashboard/DTXSID7022706 | |
| Description | DSSTox provides a high quality public chemistry resource for supporting improved predictive toxicology. | |
Molecular Weight |
239.74 g/mol |
Source
|
| Source | PubChem | |
| URL | https://pubchem.ncbi.nlm.nih.gov | |
| Description | Data deposited in or computed by PubChem | |
Physical Description |
Solid |
Source
|
| Record name | Bupropion | |
| Source | Human Metabolome Database (HMDB) | |
| URL | http://www.hmdb.ca/metabolites/HMDB0001510 | |
| Description | The Human Metabolome Database (HMDB) is a freely available electronic database containing detailed information about small molecule metabolites found in the human body. | |
| Explanation | HMDB is offered to the public as a freely available resource. Use and re-distribution of the data, in whole or in part, for commercial purposes requires explicit permission of the authors and explicit acknowledgment of the source material (HMDB) and the original publication (see the HMDB citing page). We ask that users who download significant portions of the database cite the HMDB paper in any resulting publications. | |
Boiling Point |
BP: 52 °C at 0.005 mm Hg |
Source
|
| Record name | Bupropion | |
| Source | Hazardous Substances Data Bank (HSDB) | |
| URL | https://pubchem.ncbi.nlm.nih.gov/source/hsdb/6988 | |
| Description | The Hazardous Substances Data Bank (HSDB) is a toxicology database that focuses on the toxicology of potentially hazardous chemicals. It provides information on human exposure, industrial hygiene, emergency handling procedures, environmental fate, regulatory requirements, nanomaterials, and related areas. The information in HSDB has been assessed by a Scientific Review Panel. | |
Solubility |
Very hygroscopic and susceptible to decomposition, Soluble in methanol, ethanol, acetone, ether, benzene |
Source
|
| Record name | Bupropion | |
| Source | DrugBank | |
| URL | https://www.drugbank.ca/drugs/DB01156 | |
| Description | The DrugBank database is a unique bioinformatics and cheminformatics resource that combines detailed drug (i.e. chemical, pharmacological and pharmaceutical) data with comprehensive drug target (i.e. sequence, structure, and pathway) information. | |
| Explanation | Creative Common's Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/legalcode) | |
| Record name | Bupropion | |
| Source | Hazardous Substances Data Bank (HSDB) | |
| URL | https://pubchem.ncbi.nlm.nih.gov/source/hsdb/6988 | |
| Description | The Hazardous Substances Data Bank (HSDB) is a toxicology database that focuses on the toxicology of potentially hazardous chemicals. It provides information on human exposure, industrial hygiene, emergency handling procedures, environmental fate, regulatory requirements, nanomaterials, and related areas. The information in HSDB has been assessed by a Scientific Review Panel. | |
Mechanism of Action |
Bupropion is a norepinephrine/dopamine-reuptake inhibitor (NDRI) that exerts its pharmacological effects by weakly inhibiting the enzymes involved in the uptake of the neurotransmitters norepinephrine and dopamine from the synaptic cleft, therefore prolonging their duration of action within the neuronal synapse and the downstream effects of these neurotransmitters. More specifically, bupropion binds to the norepinephrine transporter (NET) and the dopamine transporter (DAT). Bupropion was originally classified as an "atypical" antidepressant because it does not exert the same effects as the classical antidepressants such as Monoamine Oxidase Inhibitors (MAOIs), Tricyclic Antidepressants (TCAs), or Selective Serotonin Reuptake Inhibitors (SSRIs). While it has comparable effectiveness to typical first-line options for the treatment of depression such as SSRIs, bupropion is a unique option for the treatment of MDD as it lacks any clinically relevant serotonergic effects, typical of other mood medications, or any effects on histamine or adrenaline receptors. Lack of activity at these receptors results in a more tolerable side effect profile; bupropion is less likely to cause sexual side effects, sedation, or weight gain as compared to SSRIs or TCAs, for example. When used as an aid to smoking cessation, bupropion is thought to confer its anti-craving and anti-withdrawal effects by inhibiting dopamine reuptake, which is thought to be involved in the reward pathways associated with nicotine, and through the antagonism of the nicotinic acetylcholinergic receptor (AChR), thereby blunting the effects of nicotine. Furthermore, the stimulatory effects produced by bupropion in the central nervous system are similar to nicotine's effects, making low doses of bupropion a suitable option as a nicotine substitute. When used in combination with [naltrexone] in the marketed product ContraveⓇ for chronic weight management, the two components are thought to have effects on areas of the brain involved in the regulation of food intake. This includes the hypothalamus, which is involved in appetite regulation, and the mesolimbic dopamine circuit, which is involved in reward pathways. Studies have shown that the combined activity of bupropion and [naltrexone] increase the firing rate of hypothalamic pro-opiomelanocortin (POMC) neurons and blockade of opioid receptor-mediated POMC auto-inhibition, which are associated with a reduction in food intake and increased energy expenditure. This combination was also found to reduce food intake when injected directly into the ventral tegmental area of the mesolimbic circuit in mice, which is an area associated with the regulation of reward pathways., Unicyclic aminoketone with noradrenergic and dopaminergic activity., Bupropion is a novel, non-tricyclic antidepressant with a primary pharmacological action of monoamine uptake inhibition. The drug resembles a psychostimulant in terms of its neurochemical and behavioural profiles in vivo, but it does not reliably produce stimulant-like effects in humans at clinically prescribed doses. Bupropion binds with modest selectivity to the dopamine transporter, but its behavioural effects have often been attributed to its inhibition of norepinephrine uptake. This experiment examines monoaminergic involvement in the discriminative stimulus effects of bupropion. Rats were trained to press one lever when injected i.p. with bupropion (17.0 mg/kg), and another lever when injected with saline. In substitution tests, dose-response curves were obtained for several monoamine uptake inhibitors. Nine of ten dopamine uptake blockers fully substituted for bupropion; the exception, indatraline (LU 19-005), partially substituted (71% bupropion-appropriate responding). Serotonin and norepinephrine uptake blockers (zimelidine and nisoxetine, respectively) produced negligible or limited substitution, and the anti-muscarinic dopamine uptake blocker benztropine produced limited partial substitution. A series of dopamine D1-like and D2-like receptor agonists were also tested: only the D2-like agonist RU 24213 fully substituted; three other D2-like agonists and four D1-like agonists partially substituted (50% < drug responding < 80%). Antagonism of the discriminative effects of bupropion was obtained with a D1- and a D2-like dopamine antagonist. The results demonstrate strong similarities with those obtained using other dopamine uptake inhibitors as training drugs, and support the view that the behavioural effects of bupropion are primarily mediated by dopaminergic mechanisms., The effects of bupropion on core body temperature of intact or reserpinized mice were studied. Intraperitoneal (IP) administration of bupropion to mice induced a dose-dependent hypothermia. The response of bupropion was decreased by the D-2 antagonist sulpiride or pimozide, but not by the D-1 antagonist SCH 23390, antimuscarinic drug atropine, alpha-adrenergic blocker phenoxybenzimine, beta-adrenergic antagonist propranolol or antiserotonergic methergoline. Reserpine induced hypothermia, which was reversed by bupropion administration. The reversal response of bupropion was reduced by propranolol, but not sulpiride, SCH 23390, phenoxybenzamine, atropine or methergoline. It is concluded that bupropion-induced hypothermia may be mediated through D-2 receptor activation, while the reversal of reserpine-induced hypothermia by bupropion may be exerted through beta-adrenergic stimulation., Bupropion (12.5-75 mg kg-1) was given intraperitoneally to rats and was found to decrease the food consumption of the animals dose-dependently. While phenoxybenzamine, propranolol and methergoline failed to antagonize the anorectic effect of the drug; pimozide a dopamine receptor blocker decreased anorexia induced by bupropion. Bupropion (12.5-50 mg kg-1) also caused a marked increase in locomotor activity of the rats. The increase in locomotion produced by bupropion was completely antagonized by pretreatment of the animals with pimozide and reserpine plus a-methyl-p-tyrosine, but not by pretreatment with phenoxybenzamine, propranolol or methergoline. Taking into considerations the evidences of dopaminergic properties of bupropion shown by the others, it could be suggested that the anorexia and hyperactivity produced by bupropion may be induced through the indirect dopaminergic mechanism., For more Mechanism of Action (Complete) data for Bupropion (7 total), please visit the HSDB record page. |
Source
|
| Record name | Bupropion | |
| Source | DrugBank | |
| URL | https://www.drugbank.ca/drugs/DB01156 | |
| Description | The DrugBank database is a unique bioinformatics and cheminformatics resource that combines detailed drug (i.e. chemical, pharmacological and pharmaceutical) data with comprehensive drug target (i.e. sequence, structure, and pathway) information. | |
| Explanation | Creative Common's Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/legalcode) | |
| Record name | Bupropion | |
| Source | Hazardous Substances Data Bank (HSDB) | |
| URL | https://pubchem.ncbi.nlm.nih.gov/source/hsdb/6988 | |
| Description | The Hazardous Substances Data Bank (HSDB) is a toxicology database that focuses on the toxicology of potentially hazardous chemicals. It provides information on human exposure, industrial hygiene, emergency handling procedures, environmental fate, regulatory requirements, nanomaterials, and related areas. The information in HSDB has been assessed by a Scientific Review Panel. | |
Color/Form |
Pale yellow oil | |
CAS No. |
34911-55-2, 144445-76-1, 144445-75-0, 34841-39-9 |
Source
|
| Record name | (±)-Bupropion | |
| Source | CAS Common Chemistry | |
| URL | https://commonchemistry.cas.org/detail?cas_rn=34911-55-2 | |
| Description | CAS Common Chemistry is an open community resource for accessing chemical information. Nearly 500,000 chemical substances from CAS REGISTRY cover areas of community interest, including common and frequently regulated chemicals, and those relevant to high school and undergraduate chemistry classes. This chemical information, curated by our expert scientists, is provided in alignment with our mission as a division of the American Chemical Society. | |
| Explanation | The data from CAS Common Chemistry is provided under a CC-BY-NC 4.0 license, unless otherwise stated. | |
| Record name | (-)-Bupropion | |
| Source | CAS Common Chemistry | |
| URL | https://commonchemistry.cas.org/detail?cas_rn=144445-76-1 | |
| Description | CAS Common Chemistry is an open community resource for accessing chemical information. Nearly 500,000 chemical substances from CAS REGISTRY cover areas of community interest, including common and frequently regulated chemicals, and those relevant to high school and undergraduate chemistry classes. This chemical information, curated by our expert scientists, is provided in alignment with our mission as a division of the American Chemical Society. | |
| Explanation | The data from CAS Common Chemistry is provided under a CC-BY-NC 4.0 license, unless otherwise stated. | |
| Record name | (+)-Bupropion | |
| Source | CAS Common Chemistry | |
| URL | https://commonchemistry.cas.org/detail?cas_rn=144445-75-0 | |
| Description | CAS Common Chemistry is an open community resource for accessing chemical information. Nearly 500,000 chemical substances from CAS REGISTRY cover areas of community interest, including common and frequently regulated chemicals, and those relevant to high school and undergraduate chemistry classes. This chemical information, curated by our expert scientists, is provided in alignment with our mission as a division of the American Chemical Society. | |
| Explanation | The data from CAS Common Chemistry is provided under a CC-BY-NC 4.0 license, unless otherwise stated. | |
| Record name | Bupropion [INN:BAN] | |
| Source | ChemIDplus | |
| URL | https://pubchem.ncbi.nlm.nih.gov/substance/?source=chemidplus&sourceid=0034911552 | |
| Description | ChemIDplus is a free, web search system that provides access to the structure and nomenclature authority files used for the identification of chemical substances cited in National Library of Medicine (NLM) databases, including the TOXNET system. | |
| Record name | Bupropion | |
| Source | DrugBank | |
| URL | https://www.drugbank.ca/drugs/DB01156 | |
| Description | The DrugBank database is a unique bioinformatics and cheminformatics resource that combines detailed drug (i.e. chemical, pharmacological and pharmaceutical) data with comprehensive drug target (i.e. sequence, structure, and pathway) information. | |
| Explanation | Creative Common's Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/legalcode) | |
| Record name | Bupropion | |
| Source | EPA DSSTox | |
| URL | https://comptox.epa.gov/dashboard/DTXSID7022706 | |
| Description | DSSTox provides a high quality public chemistry resource for supporting improved predictive toxicology. | |
| Record name | BUPROPION | |
| Source | FDA Global Substance Registration System (GSRS) | |
| URL | https://gsrs.ncats.nih.gov/ginas/app/beta/substances/01ZG3TPX31 | |
| Description | The FDA Global Substance Registration System (GSRS) enables the efficient and accurate exchange of information on what substances are in regulated products. Instead of relying on names, which vary across regulatory domains, countries, and regions, the GSRS knowledge base makes it possible for substances to be defined by standardized, scientific descriptions. | |
| Explanation | Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required. | |
| Record name | Bupropion | |
| Source | Hazardous Substances Data Bank (HSDB) | |
| URL | https://pubchem.ncbi.nlm.nih.gov/source/hsdb/6988 | |
| Description | The Hazardous Substances Data Bank (HSDB) is a toxicology database that focuses on the toxicology of potentially hazardous chemicals. It provides information on human exposure, industrial hygiene, emergency handling procedures, environmental fate, regulatory requirements, nanomaterials, and related areas. The information in HSDB has been assessed by a Scientific Review Panel. | |
| Record name | Bupropion | |
| Source | Human Metabolome Database (HMDB) | |
| URL | http://www.hmdb.ca/metabolites/HMDB0001510 | |
| Description | The Human Metabolome Database (HMDB) is a freely available electronic database containing detailed information about small molecule metabolites found in the human body. | |
| Explanation | HMDB is offered to the public as a freely available resource. Use and re-distribution of the data, in whole or in part, for commercial purposes requires explicit permission of the authors and explicit acknowledgment of the source material (HMDB) and the original publication (see the HMDB citing page). We ask that users who download significant portions of the database cite the HMDB paper in any resulting publications. | |
Melting Point |
233-234 °C |
Source
|
| Record name | Bupropion | |
| Source | DrugBank | |
| URL | https://www.drugbank.ca/drugs/DB01156 | |
| Description | The DrugBank database is a unique bioinformatics and cheminformatics resource that combines detailed drug (i.e. chemical, pharmacological and pharmaceutical) data with comprehensive drug target (i.e. sequence, structure, and pathway) information. | |
| Explanation | Creative Common's Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/legalcode) | |
Synthesis routes and methods I
Procedure details
t-Butylamine was added to m-chloro-α-bromopropiophenone obtained above and the reaction mixture was refluxed for 3 hours. Excessive t-butylamine was removed by evaporation below 80° C. The concentrated solution was cooled down to room temperature and then extracted with 800 ml of ethyl acetate and 280 ml of water. The organic phase was dried with anhydrous magnesium sulfate (15 g) to obtain a solution of bupropion free base. A solution of HCl in ethyl acetate was added at room temperature to the organic phase. Crude product of bupropion hydrochloride was obtained after filtration. The crude product of bupropion hydrochloride was dissolved in 1200 ml of methanol and 120 ml of water at 80° C., decolorized with activated carbon (5 g) for 20 minutes and filtered. The filtrate was cooled and filtered to obtain wet product of bupropion hydrochloride. The wet product was dried in vacuum (−0.04˜−0.09 MPa, 80° C.) for 3 hours to obtain pure product. Total yield was 70% based on m-chloropropiophenone, and the HPLC's purify was higher than or equal to 99.9%.
Name
Synthesis routes and methods II
Procedure details
Bupropion HCl was replaced with HBr and adjusted to obtain same amount Bupropion base.
Name
Synthesis routes and methods III
Procedure details
The dissolution of bupropion HBr formulations according to the invention were assessed in three USP-3 media, i.e., SGF pH 1.2, Acetate Buffer pH 4.5 and Phosphate Buffer pH 6.8 over a period of 16 hours. These results are contained in FIG. 66. Particularly Bupropion HBr XL 348 mg tablets (final), Lot # Bup-HBr-XL-012-5; Wellbutrin XL 300 mg tablets (final), Lot # 05A116; Bupropion HBr XL 348 mg tablets ECl Lot # Bup-HBr-XL-012-5 (EC 32 mg wg) and Wellbutrin XL 300 mg tablets (EC10-Lot # 05D047 were assessed in SGF media pH 1.2 for 2 hours, Acetate Buffer pH 4.5 for 2 hours, and Phosphate Buffer SIF pH 6.8 for a total of 10 hours. The results are contained in the FIG. 66-68.
[Compound]
Name
Bupropion HBr XL 348
Quantity
0 (± 1) mol
Type
reactant
Reaction Step Five
[Compound]
Name
Bup-HBr XL-012-5
Quantity
0 (± 1) mol
Type
reactant
Reaction Step Six
[Compound]
Name
Bupropion HBr XL 348
Quantity
0 (± 1) mol
Type
reactant
Reaction Step Eight
[Compound]
Name
Bup-HBr XL-012-5
Quantity
32 mg
Type
reactant
Reaction Step Eight
Name
Synthesis routes and methods IV
Procedure details
1.0 g of bupropion hydrochloride salt was dissolved in the minimum amount of water in 250 ml flask. The contents of the flask were transferred to a separatory funnel, to which 20 ml of 10% aqueous sodium carbonate was added, and the mixture was extracted with methylene chloride (3×50 ml). The combined methylene chloride extracts were washed with water (3×50 ml), then brine solution (50 ml), dried over anhydrous K2CO3, filtered and the filtrate stripped down under reduced pressure on a rotary evaporator to give the desired product as a yellow oil (7.9 g, 90% yield). 1H NMR (CDCl3, 400 MHz): δ 7.90 (s, 1H), 7.81 (d, j=7.8 Hz, 1H), 7.48 (d, j=7.8 Hz, 1H), 7.37 (dd, j1=j2=7.8 Hz, 1H), 4.24 (qt, J=7.2 Hz, 1H), 1.19 (d, j=7.2 Hz, 3H), 0.97 (s, 9H) ppm. ppm; MS m/z 240 (M+). LC-MS m/z 240 (M+) single peak at Rt=8.40 min.
Name
Yield
90%
Retrosynthesis Analysis
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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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