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1-(2,6-Dichlorophenyl)-2-Indolinone(diclofenac), white to light yellow crystalline powder, insoluble in water, otherwise known as diclofenac acid, is a non-steroidal anti-inflammatory drug with anti-inflammatory, analgesic, and antipyretic effects. Clinically, it is used for pain caused by rheumatoid arthritis, adhesive spondylitis, non-inflammatory arthritis, arthritis, non-articular rheumatism, non-articular inflammation, various neuralgia, cancer pain, post-traumatic pain, and fever caused by various inflammation. It is toxic to some animals, such as vultures. Diclofenac powder is mainly used in chemistry, but diclofenac solution is mainly used for animals, such as diclofenac solution for dogs or cats eyes when sick.
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Chemical Formula |
C14H9Cl2NO |
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Exact Mass |
277 |
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Molecular Weight |
278 |
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m/z |
277 (100.0%), 279 (63.9%), 278 (15.1%), 281 (10.2%), 280 (9.7%), 282 (1.5%), 279 (1.1%) |
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Elemental Analysis |
C, 60.46; H, 3.26; Cl, 25.49; N, 5.04; O, 5.75 |
1-(2,6-Dichlorophenyl)-2-Indolinone(Diclofenac) is a non-steroidal anti-inflammatory drug (NSAID) with analgesic, anti-inflammatory, and antipyretic effects. It is commonly used for the following purposes:
Analgesia
Diclofenac can be used to alleviate mild to moderate pain, such as headaches, arthritis, toothache, menstrual pain, and musculoskeletal pain.
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Anti inflammation
Diclofenac plays an anti-inflammatory role by inhibiting the synthesis of inflammatory mediators in inflammatory reaction, such as Prostaglandin and Leukotriene. Therefore, it is often used to treat inflammation related diseases and symptoms, such as arthritis, Ankylosing spondylitis and gout.
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Arthritis
Diclofenac is widely used in various types of arthritis, including Rheumatoid arthritis, Osteoarthritis and Ankylosing spondylitis. It can reduce pain, swelling, and stiffness, and improve joint function.
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Antipyretic
Diclofenac can be used for antipyretic treatment in patients with fever symptoms.
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Acute gout
Diclofenac can be used for analgesic and anti-inflammatory treatment during acute gout attacks.
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Postoperative pain control
Diclofenac can be used as a postoperative analgesic to alleviate the pain caused by surgical trauma.
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Dental applications
In the dental field, Diclofenac is commonly used to treat toothache and postoperative pain, as well as to alleviate inflammation and discomfort caused during tooth extraction or root canal treatment.
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Other uses
Diclofenac is also used to treat some other diseases and symptoms, such as migraine, menstrual pain, Neuralgia and gouty Arthralgia.
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1- (2,6-Dichlorophenyl) -2-Indolinone, commonly known as diclofenac, is mainly manifested in its anti-inflammatory properties due to its pharmacological mechanism, as follows:
Inhibit cyclooxygenase and lipoxygenase
Dual inhibitory effect: Diclofenac has a dual effect of inhibiting cyclooxygenase (COX) and lipoxygenase in inflammatory reactions. When cyclooxygenase is inhibited, its metabolites, prostaglandins, are significantly reduced.
Reduce inflammatory mediators: The reduction of prostaglandins reduces local inflammatory reactions, tissue congestion and swelling, and pain sensitivity to bradykinin, thereby exerting their anti-inflammatory effects.
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Anti inflammatory effect
Clinical validation: Diclofenac has been proven to have good anti-inflammatory effects in both animal experiments and human clinical practice.
Targeted inhibition: Diclofenac has a significantly stronger inhibition of COX-2 than COX-1. Due to the close relationship between COX-2 and inflammation and pain, while COX-1 is related to maintaining normal functions of the human gastrointestinal tract, this selective inhibition results in relatively low gastrointestinal adverse reactions caused by diclofenac, lower than drugs such as aspirin and indomethacin.
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Indications
Chronic arthritis: Diclofenac acid is widely used to treat the swelling and pain of various chronic arthritis diseases, including rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, gouty arthritis, etc. It is the first-line treatment drug for these diseases.
Soft tissue rheumatic pain: also used to treat non joint soft tissue rheumatic pain, such as shoulder pain, tenosynovitis, bursitis, muscle pain, etc.
Acute pain: Diclofenac has significant therapeutic effects on some acute pain conditions, such as postoperative pain, swelling, post-traumatic lesions (such as sprains, strains), primary dysmenorrhea, headache, toothache, etc.
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Precautions
Symptomatic effect: It should be noted that diclofenac mainly has symptomatic effects, namely anti-inflammatory, analgesic, and antipyretic, and cannot directly treat the cause. Therefore, it is essential to simultaneously treat the underlying causes during the application process.
Adverse reactions: Although the gastrointestinal adverse reactions caused by diclofenac are relatively low, there are still a few people who may experience gastrointestinal damage. In addition, there may be other potential adverse reactions, such as allergic reactions, so it is important to fully understand and follow medical advice before use.
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In summary, the specific manifestations of 1- (2,6-Dichlorophenyl) -2-indolinone (diclofenac) in anti-inflammatory aspects mainly include its dual mechanism of inhibiting inflammatory mediators, significant anti-inflammatory effects, broad indications, symptomatic effects that need attention, and potential adverse reactions.
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Melting point 156 – 158° , Boiling point 412.0 ± 45.0 ° C ( Predicted ) , Density 1.431 ± 0.06 g / cm3 ( Predicted ) , Storage conditions Sealed in dry, Room Temperature , Acidity coefficient ( pKa ) pKa4 ( Uncertain ) , Water solubility 1.278 mg / L ( 30 oC ) , Hazard Signs ( GHS ) , GHS06 , warning word Danger , Hazard description H301 , Prevention instructions P264-P270-P301 + P310 + P330-P405-P501 , Transport of dangerous goods No. 3249 , RTECS AG6310000 , HazardClass 6.1 ( b ) , Packing Group III.
The common synthesis route of 1-(2,6-Dichlorophenyl)-2-Indolinone (Diclofenac) usually involves the following Committed step:
The synthesis of Diclofenac usually starts with 2,6-dichlorobenzoic acid. This step typically involves reacting 2,6-dichlorobenzoic acid with a certain amount of anhydride and solvent to generate the corresponding anhydride.
After the initial compound undergoes an amination reaction, 2-cyano-3-amino-4-imino-5-fluoropyridine is generated. This step typically involves the use of ammonia reagents (such as ammonia or ammonia water) and solvents.
The next step is to combine 2-cyano-3-amino-4-imino-5-fluoropyridine with β- The beta bromo ketonic ester reacts to form a Simple aromatic ring structure. This step usually requires alkaline conditions and appropriate solvents.
Elimination reaction is an important step in the synthesis of diclofenac. By Elimination reaction β- The partial removal of bromone esters and the introduction of a carbonyl functional group ultimately form the amide structure of diclofenac.
After synthesis, the obtained product is usually purified through crystallization and purification steps. Crystallization can be achieved through solvent control and temperature conditions to obtain high-purity diclofenac products.
1-(2,6-Dichlorophenyl)-2-Indolinone, also known as diclofenac, is an important pharmaceutical raw material (API) with broad application prospects. As a type of nonsteroidal anti-inflammatory drug (NSAID), diclofenac is mainly used clinically to relieve pain, reduce inflammation, and cool down. With the global aging population and increasing health awareness, the demand for high-quality and high-performance pharmaceutical products continues to grow, and the market prospects for diclofenac are becoming increasingly broad. Here are its development prospects:
Market demand analysis
The promotion of population aging
With the aggravation of global population aging, the incidence rate of chronic pain, arthritis and other elderly diseases is increasing year by year. Diclofenac, as an effective drug for treating these diseases, will continue to grow in market demand. Especially in developed countries, due to the high degree of population aging, the demand for pharmaceutical products such as diclofenac is more urgent.
Improvement of Health Awareness
With the improvement of people's living standards and the enhancement of health awareness, more and more people are paying attention to their own health status. Diclofenac, as a safe and effective nonsteroidal anti-inflammatory drug, can meet people's pursuit of high-quality life. Especially in the fields of sports and fitness, occupational disease prevention, etc., diclofenac has broad application prospects.
The Development of Emerging Markets
Emerging market countries such as China and India have a growing demand for pharmaceutical products due to their large populations and rapid economic development. The improvement of medical standards and healthcare security systems in these countries will further drive the market demand for pharmaceutical products such as diclofenac.
Technological progress and production process optimization
Policy support for the pharmaceutical industry
Governments around the world have introduced a series of policy measures to support the development of the pharmaceutical industry in order to safeguard public health and improve the level of medical security. These policies include increasing support for pharmaceutical research and development, improving the approval efficiency of pharmaceutical products, and strengthening the supervision of the pharmaceutical market. These policy measures will provide a favorable policy environment for the research and development, production, and sales of pharmaceutical products such as diclofenac.
Intellectual Property Protection
Intellectual property protection is crucial for innovation and development in the pharmaceutical industry. By strengthening intellectual property protection, cracking down on counterfeit and shoddy products, and maintaining market order, governments around the world will help safeguard the intellectual property and legitimate rights and interests of pharmaceutical products such as diclofenac. This will help stimulate the innovation vitality of pharmaceutical companies and promote the continuous upgrading and optimization of pharmaceutical products such as diclofenac.
Compliance with international trade rules
With the deepening of globalization, international trade rules have a significant impact on the internationalization of the pharmaceutical industry. By strengthening compliance and cooperation with international trade rules, governments of various countries can promote the liberalization and facilitation of international trade in pharmaceutical products, which will help enhance the international competitiveness of pharmaceutical products such as diclofenac.
Market competition pattern and trend
Market competition pattern
At present, the competitive landscape of the diclofenac market is relatively scattered, with both international large pharmaceutical companies and domestic small and medium-sized pharmaceutical enterprises. These enterprises have certain differences in product quality, price, market share, and other aspects. With the intensification of market competition and the increasing demand for high-quality drugs from consumers, the competition in the diclofenac market will become more intense.
Market trends
In the future, the diclofenac market will show the following development trends: firstly, high-quality and high-performance products will become the mainstream of the market; The construction of intelligent and automated production lines will improve production efficiency and product quality; Thirdly, international trade liberalization and facilitation will promote the international development of pharmaceutical products such as diclofenac; Fourthly, personalized medicine and precision medicine will become important development directions for pharmaceutical products such as diclofenac.
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