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Norepinephrine tartrate is a crucial vasoactive drug. Its core component, norepinephrine, is a naturally produced catecholamine in the human body and is a potent agonist of both α and β1 adrenergic receptors. In clinical emergencies, it is mainly used to rapidly increase the blood pressure of patients with severe hypotension by strongly contracting peripheral blood vessels (with a potent α effect). Especially in life-threatening conditions such as septic shock and cardiogenic shock, it is the "pressure-raising cornerstone" for maintaining the perfusion pressure of critical organs. Its tartrate form ensures the stability and solubility of the drug. The drug takes effect very quickly, but has a short half-life and requires continuous intravenous infusion to maintain an accurate blood drug concentration. The treatment window is narrow, and it needs to be closely monitored for blood pressure, heart rate, and peripheral circulation in an intensive care environment to avoid excessive vasoconstriction that leads to tissue ischemia or arrhythmias. It represents a powerful intervention method for restoring the blood flow dynamics as the life-saving line at the moment of circulatory failure.
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Chemical Formula |
C12H17NO9 |
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Exact Mass |
319 |
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Molecular Weight |
319 |
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m/z |
319 (100.0%), 320 (13.0%), 321 (1.8%) |
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Elemental Analysis |
C, 45.14; H, 5.37; N, 4.39; O, 45.10 |
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Boiling point |
360 ° C |
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Density |
3.38 g / ml at 25 ° C (lit.) |
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Storage conditions |
insert atmosphere |
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solubility alcohol |
solublesoluble 40 parts of solvent |
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Flash point |
221.5° C |
Norepinephrine tartrate is an important bioactive molecule with a wide range of applications.
Administered through intravenous infusion, which works swiftly to counteract the effects of vasodilation, which can be life-threatening in critical care patients. Its mechanism of action involves binding to adrenergic receptors, particularly alpha-1 receptors, in vascular smooth muscle, causing vasoconstriction. This helps to restore perfusion pressure and ensure adequate tissue oxygenation.
Despite its effectiveness, it requires careful monitoring due to its potential side effects, such as severe hypertension, arrhythmias, and ischemia. It is crucial for healthcare providers to titrate the dosage carefully based on the patient's response, ensuring continuous vital signs monitoring.
Cardiovascular system
It is often used as a cardiotonic to treat severe hypotension and shock states. It increases blood pressure by contracting blood vessels, increasing cardiac contractility and output; It can also promote the recovery of conduction function in the heart. In emergency medicine, It is widely used for cardiac and circulatory support in emergency situations.
Organ protection
It can be used for renal function protection, especially during surgery or in intensive care settings. It can reduce the risk of kidney damage by increasing glomerular perfusion and improving renal microcirculation.
Neurological disorders
It as a precursor molecule of neurotransmitters, can be used for the research and treatment of neurological diseases. It can be used to treat diseases such as attention deficit hyperactivity disorder (ADHD) and depression. In addition, Norepinephrine target has also been applied to in vitro culture and research of neurons.
Neuroconductive mediators
It can serve as a neurotransmitter and play an important role in neuroscience research. It can be used for studying the mechanism of neurotransmitter release and its impact on neuronal and synaptic function. These studies are of great significance for understanding the normal function and disease mechanisms of the nervous system.
Respiratory system applications
It is also applied in the treatment of respiratory diseases. For example, it can be used to support the treatment of acute respiratory distress caused by diseases such as asthma and chronic obstructive pulmonary disease (COPD). It contracts airway smooth muscle, reduces mucus secretion, and improves lung ventilation capacity.
Experimental research tools
It is a commonly used reagent in laboratory research. It can be used for in vitro and in vivo experiments, such as cell culture, animal models, etc. Researchers can use the Norepinephrine target to simulate and study a series of physiological and pathological processes related to cardiovascular, nervous system, and metabolism.
The synthesis route of norepinephrine tartrate mainly includes the following steps: preparation of starting materials, synthesis of key intermediates, synthesis of norepinephrine, and preparation of tartrate. Each step involves specific chemical reactions and condition controls to ensure the purity and efficacy of the final product.
The starting materials mainly include chloroacetyl catechol, ethanol, ammonia ethanol solution, ammonia water, sodium bisulfite, etc. The purity and quality of these raw materials have a significant impact on the subsequent synthesis steps and the quality of the final product.
The preparation of chloroacetyl catechol (not a direct step in this synthesis route, but a key raw material): This step is usually obtained through the esterification reaction of catechol with chloroacetyl chloride.
The chemical equation is: C6H6(OH)2+ClCH2COCl → C6H6(OH)CH2COCl+HCl.
- Ammonification reaction
Mix chloroacetyl catechol, ethanol, and ammonia ethanol solution to undergo amination reaction under appropriate temperature and stirring conditions. Ammoniation reaction is one of the key steps in the synthesis of norepinephrine, which can convert chloroacetyl catechol into corresponding amine compounds.
C6H6(OH)CH2COCl+NH3 → C6H6(OH)CH2CONH2+HCl.
- Catalytic hydrogenation reaction
Add amine intermediates to a mixed solution containing hydrochloric acid and ethanol for catalytic hydrogenation reaction. By adding catalysts (such as palladium carbon) and hydrogen gas, the carbonyl groups in amine intermediates can be reduced to hydroxyl groups, resulting in the key intermediate of norepinephrine.
C6H6(OH)CH2CONH2+H2 → C8H11NO3+H2O.
- The synthesis of norepinephrine
After obtaining the key intermediate, it needs to be further converted to synthesize norepinephrine. This step usually involves some complex chemical reactions and separation and purification operations. The specific synthesis methods may vary depending on the experimental conditions and raw materials. But overall, the goal of this step is to convert key intermediates into biologically active norepinephrine molecules.
- Preparation of tartrate
The final step is to undergo a salt reaction between norepinephrine and tartaric acid to obtain the product. The reaction conditions in this step are usually mild and can be achieved through simple mixing and stirring.
C8H11NO3+C4H6O6 → C8H11NO3 · C4H6O6
- Preparation of epinephrine: Firstly, Epinephrine needs to be prepared. The specific synthesis steps involve several chemical reactions, including the carbonyl reduction reaction of phenylacetaldehyde, acyl chloride, condensation reaction, etc. The final product obtained is Epinephrine.
C8H8O+H2 → C9H13NO3
- Esterification of tartrate: Esterification reaction between tartaric acid and Epinephrine to produce tartrate ester. This step usually involves controlling multiple conditions such as environmental temperature and reaction time.
C4H6O6+C9H13NO3 → C12H17NO9-ester
- Ion exchange reaction: The generated tartrate ester is subjected to ion exchange reaction with the corresponding alkali metal salt to obtain product.
C12H17NO9-ester+alkali metal salt → C12H17NO9
Norepinephrine tartrate, a compound consisting of norepinephrine and tartaric acid, is a valuable reagent in scientific research due to its crystalline nature and specific spatial group (P21/c). The study of its crystal structure, often achieved through techniques like X-ray diffraction, provides insights into its molecular arrangement and interactions. This information is crucial for understanding the properties and behaviors of the compound at a fundamental level.
As a reagent, it finds widespread use in both in vitro and in vivo experimental setups. In cell culture experiments, researchers can utilize this compound to mimic and investigate various physiological and pathological processes related to the cardiovascular system, nervous system, and metabolism. By exposing cells to norepinephrine tartrate under controlled conditions, scientists can observe how the compound affects cellular functions, signaling pathways, and overall cell health.
Animal models also benefit from the use. By administering the compound to animals, researchers can study its effects on organ systems, disease progression, and treatment responses in a more complex, whole-body context. This type of experimentation allows for a more comprehensive understanding of the compound's biological activities and potential therapeutic applications.
In particular, its ability to simulate the actions of the endogenous hormone norepinephrine makes it a valuable tool for studying the sympathetic nervous system and its role in stress responses, blood pressure regulation, and cardiac function. Additionally, the compound's involvement in metabolic processes, such as glucose and lipid metabolism, makes it relevant to research on obesity, diabetes, and other metabolic disorders.
Overall, it is a versatile reagent that enables researchers to delve into the intricacies of physiological and pathological processes related to the cardiovascular, nervous, and metabolic systems. Its crystalline structure and specific properties make it an essential tool for advancing scientific knowledge and developing new treatments for a wide range of conditions.
What are the side effects of this compound?
Cardiovascular system side effects
Elevated blood pressure: Due to its ability to constrict blood vessels, this substance may cause an increase in blood pressure.
Tachycardia: This medication may stimulate the heart, causing an increase in heart rate.
Arrhythmia: In some cases, it may cause arrhythmia, especially for patients with heart disease.
Neurological side effects
Headache: Some patients may experience headache symptoms after use.
Anxiety and tension: Medications may have an impact on the nervous system, causing patients to feel anxious or nervous.
Local reaction
Pain at injection site: During intravenous injection, patients may feel pain or discomfort at the injection site.
Tissue necrosis: If the drug leaks into the surrounding tissue, it may cause tissue necrosis, so close attention should be paid to the injection site.
Other side-effects
Nausea and vomiting: Some patients may experience gastrointestinal reactions such as nausea and vomiting after taking medication.
Allergic reactions: A very small number of patients may experience allergic reactions to it, manifested as symptoms such as rash and itching.
Precautions
Strictly follow medical advice: Its use should strictly follow the doctor's guidance, avoiding self adjustment of dosage or discontinuation of medication.
Monitoring vital signs: During medication use, patients' vital signs, including blood pressure, heart rate, etc., should be closely monitored.
Pay attention to drug interactions: This substance may interact with other drugs, so doctors should be informed of the other drugs the patient is taking before use.
The development prospects of this compound are mainly influenced by multiple factors such as its application in the medical field, market demand, technological progress, and industry competition. The following is a detailed analysis of its development prospects:
Widely used in the medical field
This compound, as an important stress hormone and neurotransmitter, has a wide range of applications in the medical field. It is mainly used to treat emergency situations such as hypotension and shock, by increasing vascular resistance and raising blood pressure to maintain stable vital signs. In addition, with the deepening of research, its therapeutic effects in neurometabolic disorders, cardiovascular diseases, and other areas have gradually received attention.
Market demand continues to grow
With the intensification of global population aging and the continuous increase of chronic diseases, the demand for such emergency drugs is also continuing to grow. Especially in the field of emergency medicine, with the continuous advancement of emergency technology and the constant updating of emergency equipment, its market demand will further expand.
Technological progress drives development
Formulation innovation: Through the development of nanotechnology and sustained-release systems, the aim is to extend the duration of drug action, reduce the frequency of administration, and improve patient comfort and compliance.
Precision medicine: With the advancement of genomics and personalized medicine, exploring dose customization based on patient genetic characteristics to optimize treatment efficacy and reduce adverse reactions.
The industry competition is fierce
At present, the competition pattern in this market is relatively scattered, and multiple domestic and foreign enterprises are producing and selling this product. With the intensification of market competition, mergers and acquisitions, integration, and capital operations between large enterprises will become increasingly frequent. At the same time, the continuous emergence of new products and technologies will further promote the upgrading of market competition.
Development prospects and outlook
Based on the above factors, it can be foreseen that the development prospects of this compound are relatively broad. With the continuous advancement of medical technology and the sustained growth of market demand, its application fields will further expand. Meanwhile, driven by technological innovation and market competition, the production cost of this compound will be further reduced, and the product quality will be further improved to meet the needs of more patients.
FAQ
1. What is noradrenaline tartrate used for?
Norepinephrine is a sympathomimetic used in the control of blood pressure during various hypotensive states and as an adjunct treatment during cardiac arrest.
2. What is the difference between noradrenaline and norepinephrine?
First identified in the 1940s by Swedish physiologist Ulf von Euler, norepinephrine, also known as noradrenaline, is a neurotransmitter of the brain that plays an essential role in the regulation of arousal, attention, cognitive function, and stress reactions.
3. What happens when you lack norepinephrine?
Bursts of norepinephrine can lead to euphoria (very happy) feelings but are also linked to panic attacks, elevated blood pressure, and hyperactivity. Low levels can cause lethargy (lack of energy), lack of concentration, attention deficit hyperactivity disorder (ADHD), and possibly depression.
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