Category: 719-64-2

Research speed reading in 2021. Chemistry, like all the natural sciences, begins with the direct observation of nature— in this case, of matter. Computed Properties of https://www.ambeed.com/products/719-64-2.html, The reactant in an enzyme-catalyzed reaction is called a substrate. Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction. 719-64-2, Name is 5-Chloro-3-phenylbenzo[c]isoxazole, molecular formula is C13H8ClNO. In an article, author is Bhana, N,once mentioned of 719-64-2.

Risperidone is a benzisoxazole derivative which has proven efficacy against the positive and negative symptoms of schizophrenia It has mon recently been investigated and shown efficacy as a treatment for the behavioural and psychological symptoms associated with dementia in the elderly. Risperidone has pharmacological properties resembling those of the atypical antipsychotic clozapine and an improved tolerability profile compared with the conventional antipsychotic haloperidol. Risperidone has antagonistic activity primarily at serotonin 5-HT2A and dopamine D-2 receptors. In the first 2 large, well controlled trials of an antipsychotic agent used in the treatment of elderly patients with Alzheimer’s dementia, vascular dementia or mixed demential risperidone 1 mg/day was at least as effective as haloperidol and superior to placebo. as assessed by the rating scales for global behaviour, aggression and psychosis. In extension phases of the 2 trials, clinical benefits were maintained for treatment periods of up to 1 year, with an incidence rate of tardive dyskinesia (2.6%) one-tenth of that seen with conventional antipsychotics. Risperidone, administered at a low dosage of 1 mg/day was associated with fewer extrapyramidal symptoms compared with haloperidol in elderly patients, Risperidone was well tolerated with no clinically relevant abnormalities in laboratory tests. vital signs or electrocardiogram results. Conclusion: The efficacy of risperidone has been demonstrated in the treatment of the behavioural and psychological symptoms associated with dementia in the elderly. Preliminary results from 1-year extension studies confirm the favourable efficacy and tolerability profile of risperidone 1 mg/day, Although head to head studies with other atypical antipsychotic agents are required and the long term use of the drug requires clarification, risperidone represents a generally well tolerated and effective treatment in the management of dementia-associated behavioural and psychological symptoms in the elderly.

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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

Reference of 719-64-2, New Advances in Chemical Research, May 2021.The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. 719-64-2, Name is 5-Chloro-3-phenylbenzo[c]isoxazole, SMILES is ClC1=CC2=C(C3=CC=CC=C3)ON=C2C=C1, belongs to benzisoxazole compound. In a article, author is OKADA, M, introduce new discover of the category.

The effects of zonisamide (3-sulfamoylmethyl-1,2-benzisoxazole), a novel anticonvulsant, on extracellular levels of monoamine and its metabolite in the striatum and hippocampus, and Ca2+ dependent monoamine release in the striatum of freely moving rats were studied by microdialysis. Zonisamide increased dopamine, homovanillic acid and 5-hydroxyindoleacetic acid, and decreased 3,4-dihydroxyphenylacetic acid in the rat striatum. However, zonisamide showed no effect on Ca2+ dependent dopamine release in the rat striatum. In the hippocampus, zonisamide increased dopamine, homovanillic acid, serotonin and 5-hydroxyindoleacetic acid and decreased 3,4-dihydroxyphenylacetic acid. The present results suggest that zonisamide facilitates dopaminergic and serotoninergic neurotransmission but does not affect Ca2+ dependent dopamine release within therapeutic plasma concentrations.

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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

New discoveries in chemical research and development in 2021.As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. 719-64-2, Name is 5-Chloro-3-phenylbenzo[c]isoxazole, SMILES is ClC1=CC2=C(C3=CC=CC=C3)ON=C2C=C1, in an article , author is Howie, RA, once mentioned of 719-64-2, Recommanded Product: 719-64-2.

The title compounds, C15H13NO4, (I), and C13H9NO, (II), are produced, along with the corresponding anilines, by the reduction of the appropriate o-nitrobenzophenones. In ( I), the planar benzisoxazole and phenol fragments are tilted relative to one another by a rotation of 53.02 (14)degrees about the bond joining them, and the molecules are linked into chains by phenol O-H…N and phenyl C-H…O-oxazole hydrogen bonds. The cell of (II) (space group I2/c) contains eight molecules in general positions, four more in the 2b sites, with twofold axial symmetry that induces a degree of disorder, and a further four as centrosymmetric pairs of complete molecules, each with an occupancy of one-half. The relative tilt of the planar fragments varies slightly from one molecule to another but is much less than that in (I), ranging from 8.8 (8) to 12.58 (15)degrees.

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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

Research speed reading in 2021.The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. , Name: 5-Chloro-3-phenylbenzo[c]isoxazole, Introducing a new discovery about 719-64-2, Name is 5-Chloro-3-phenylbenzo[c]isoxazole, molecular formula is C13H8ClNO, belongs to benzisoxazole compound. In a document, author is Jankovic, Slobodan M..

Introduction: Zonisamide is a benzisoxazole with 3-methanesulfonamide side chain, chemically unrelated with other anticonvulsants, and approved as mono-therapy of newly diagnosed focal epilepsy with or without secondary generalization in adults or adjunctive therapy in the treatment of partial seizures, with or without secondary generalization, in adults, adolescents, and children aged 6 years and above. Areas covered: Pharmacokinetics, clinical efficacy, and the adverse effects of zonisamide are discussed in the article. The discussion is based on data from published preclinical studies, clinical trials, observational studies, systematic reviews, and approved summary of product characteristics. Expert opinion: Zonisamide is an anticonvulsant with multiple mechanisms of action on neuronal tissue, which achieves seizure freedom in more than 80% of patients with newly-onset focal epilepsy and in 6.2 to 18.1% of patients with focal onset seizures inadequately controlled by first-line anticonvulsants. Within the recommended dose range, it follows linear kinetic of elimination; it is metabolized in the liver by two cytochrome isoforms, so pharmacokinetic interactions are rare and with little clinical significance. Up to 10% of patients taking zonisamide will have problems with weight loss and more than 10% with irritability, confusion or depression, and long-lasting therapy may cause renal calculi in 1.2% of patients.

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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

New Advances in Chemical Research in 2021. Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction by binding to a specific portion of an enzyme and thus slowing or preventing a reaction from occurring. 719-64-2, Name is 5-Chloro-3-phenylbenzo[c]isoxazole, SMILES is ClC1=CC2=C(C3=CC=CC=C3)ON=C2C=C1, in an article , author is Jadhav, VK, once mentioned of 719-64-2, Product Details of 719-64-2.

An efficient and convenient methodology has been developed for the conversion of 2-hydroxy phenyl ketoxime to 1,2-benzisoxazole 2-oxide with sodium perborate (SPB) in glacial acetic acid under mild reaction conditions. Interestingly when the reaction was carried out under reflux condition deoximation was observed in quantitative yield.

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Reference:
Benzisoxazole – Wikipedia,
,Benzisoxazole – an overview | ScienceDirect Topics

719-64-2, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 5-Chloro-3-phenylbenzo[c]isoxazole, cas is 719-64-2,the benzisoxazole compound, it is a common compound, a new synthetic route is introduced below.

(3) According to a mass ratio of 30:2:0.08:1.7, methanol, 5-chloro-3-phenyl-2,1benzisoxazole, palladium-carbon catalyst, and ammonium formate were mixed and heated to reflux at 50C for 2 hours. After allowing to cool to room temperature, the mixture was filtered, and the resulting residue was vacuum dried at 50C for 4 hours to obtain 2-amino-5-chlorobenzophenone.

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 5-Chloro-3-phenylbenzo[c]isoxazole, 719-64-2

Reference：
Patent; Shanxi Jujiehan Chemical Co., Ltd.; Li Changying; (5 pag.)CN107698453; (2018); A;,
Benzisoxazole – Wikipedia
Benzisoxazole – an overview | ScienceDirect Topics

719-64-2, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 5-Chloro-3-phenylbenzo[c]isoxazole, cas is 719-64-2,the benzisoxazole compound, it is a common compound, a new synthetic route is introduced below.

A, in a reaction vessel equipped with a stirrer, a reflux condenser, 5-chloro-3-phenyl-benzisoxazole 0.26 mol, the mass fraction of 30% 2-bromo-5-fluoronitrobenzene solution 390ml, nickel chloride powder 0.46 mol, control the stirring speed at 190 rpm, raise the solution temperature to 78 C, reflux reaction 120 min; B, adding 90% of 4-chlorophenethylamine solution with a mass fraction of 21% slowly add the ethylene glycol dimethyl ether solution with a mass fraction of 37% adding time to control at 110min, continue to reflux reaction 5h. C, add the mass fraction of 27% sodium bicarbonate solution 200ml, reduce the solution temperature to 16 C, molecular sieve bleaching, filtration, the filtrate was concentrated, again lowering the solution temperature to 5 C, the mass fraction of 70% triethylamine solution washing, calcium oxide dehydrating agent dehydration, to give crystals of 2-amino-5-chlorobenzophenone 55.59 g, yield 92%.

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 719-64-2, 5-Chloro-3-phenylbenzo[c]isoxazole

Reference：
Patent; Chengdu Qiesite Technology Co., Ltd.; Peng Fei; (9 pag.)CN106083621; (2016); A;,
Benzisoxazole – Wikipedia
Benzisoxazole – an overview | ScienceDirect Topics

719-64-2, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 5-Chloro-3-phenylbenzo[c]isoxazole, cas is 719-64-2,the benzisoxazole compound, it is a common compound, a new synthetic route is introduced below.

1) Weigh 180 g of raw material 5-chloro-3-phenyl-2,1-benzisoxazole into 1.5 L of anhydrous methanol and 1.5 L of acetonitrile,After stirring and dissolving, add 10g Pd/C catalyst with Pd content of 3%, stir and mix to form material I,The flow rate of the slurry pump was adjusted so that the flow rate of the material I was 40.0 g/min and entered the preheating module of the microreactor. 2) Adjust the flow rate of the H2 gas flowmeter to 350ml/min, and directly enter the reaction module group and material I to undergo catalytic hydrogenation reaction without preheating.As shown in Figure 2, the molar ratio of 5-chloro-3-phenyl-2,1-benzisoxazole to hydrogen is 1:1.2, the reaction temperature is 80C, the residence time of the reaction is 35s, and the reaction pressure is 1.0Mpa; then enter the cooling module, cooling module temperature is 30 C,Collect the reaction solution from the outlet of the cooling module, recover the catalyst by filtration, and recover the solvent by distillation under reduced pressure.The residue was recrystallized from 80% ethanol solution to obtain the target product 2-amino-5-chlorobenzophenone, 168.96g, yield 92.79%, purity 99.68%.

The chemical industry reduces the impact on the environment during synthesis,719-64-2,5-Chloro-3-phenylbenzo[c]isoxazole,I believe this compound will play a more active role in future production and life.

Reference：
Patent; Heilongjiang Xinchuang Bio-technology Development Co., Ltd.; Ren Jiqiu; Yang Kun; Li Haitao; (10 pag.)CN107935872; (2018); A;,
Benzisoxazole – Wikipedia
Benzisoxazole – an overview | ScienceDirect Topics

As a common heterocyclic compound, it belongs to benzisoxazole compound, name is 5-Chloro-3-phenylbenzo[c]isoxazole, and cas is 719-64-2, its synthesis route is as follows.

(2) Take 10.0g of intermediate (II) into a three-necked bottle.50ml ethanol, 4.8g iron powder,After refluxing for 0.5 h, 1 ml of sulfuric acid (6 mol/L) was added dropwise.After the completion of the dropwise addition, the reaction was refluxed for 1 h.After the reaction is completed, a NaOH solution is added to adjust the pH to 8,Cool down to 50 C, add 0.2g activated carbon,Reflux for 0.5h,Thermal filtration into the crystallization bottle, cooling and crystallization,Ethanol washing, drying to obtain intermediate (III) 9.60g, The yield is 95.1%.The melting point is 96.3-98.2 C.

719-64-2, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,719-64-2 ,5-Chloro-3-phenylbenzo[c]isoxazole, other downstream synthetic routes, hurry up and to see

Reference：
Patent; Qilu Tianhe Huishi Pharmaceutical Co., Ltd.; Yuwen Li; Guan Qinghua; Zhao Xudong; Li Baoyong; (6 pag.)CN108250091; (2018); A;,
Benzisoxazole – Wikipedia
Benzisoxazole – an overview | ScienceDirect Topics

Name is 5-Chloro-3-phenylbenzo[c]isoxazole, as a common heterocyclic compound, it belongs to benzisoxazole compound, and cas is 719-64-2, its synthesis route is as follows.

(3) Mix tetrahydrofuran and triethylamine,Then add 5-chloro-3-phenyl-2,1 benzisoxazole,Palladium carbon catalyst mixing,Passing nitrogen,Replace the air 8 times,Then pass hydrogen to a pressure of 0.1 MPa.Magnetic stirring for 1h,Then filter,The obtained filter residue was vacuum dried at 50 C for 4 h.among them,Tetrahydrofuran,Triethylamine,5-chloro-3-phenyl-2,1 benzisoxazole,The mass ratio of the palladium carbon catalyst is 30:5:2:0.08,That is, 2-amino-5-chlorobenzophenone is obtained.

719-64-2, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,719-64-2 ,5-Chloro-3-phenylbenzo[c]isoxazole, other downstream synthetic routes, hurry up and to see

Reference：
Patent; SHAANXI JUJIEHAN CHEMICAL CO LTD; Shanxi Jujiehan Chemical Co., Ltd.; LI CHANGYING; Li Changying; (4 pag.)CN107827763; (2018); A;,
Benzisoxazole – Wikipedia
Benzisoxazole – an overview | ScienceDirect Topics