Month: May 2021

90-27-7, Name is 2-Phenylbutanoic acid, molecular formula is C10H12O2, Recommanded Product: 90-27-7, belongs to benzisoxazole compound, is a common compound. In a patnet, author is PEETERS, OM, once mentioned the new application about 90-27-7.

STRUCTURE OF 3-(2-[4-(6-FLUORO-1,2-BENZISOXAZOL-3-YL)PIPERIDINO]ETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRIDO-[1,2-A]PYRIMIDIN-4-ONE (RISPERIDONE)

The benzisoxazole and pyrimidine moieties are essentially planar and the dihedral angle between these planes is 5.6 (1)-degrees. The piperidine ring is in a slightly distorted chair conformation, while the tetrahydropyridine moiety shows a half-chair conformation. The crystal stucture is stabilized by a hydrogen bond between the H atom on position 4 of the benzisoxazole and the O atom of the pyrimidinone of a translated (x, y-1, z) molecule [C…O = 3.372 (7), H…O = 2.327 angstrom, C-H…O = 161.6-degrees].

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

Chemistry, like all the natural sciences, begins with the direct observation of nature— in this case, of matter.619-05-6, Name is 3,4-Diaminobenzoic acid, SMILES is O=C(O)C1=CC=C(N)C(N)=C1, belongs to benzisoxazole compound. In a document, author is Arava, Veera Reddy, introduce the new discover, Application In Synthesis of 3,4-Diaminobenzoic acid.

An efficient synthesis of 3-chloromethyl-1,2-benzisoxazoles via modified Boekelheide rearrangement

An efficient and simple method for the preparation of 3-chloromethyl-1,2-benzisoxazoles by modified Boekelheide rearrangement using phosphorous oxychloride in moderate to good yields has been reported. The scope of the process in terms of synthetic utility and versatility is established.

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

Chemistry is an experimental science, SDS of cas: 6009-70-7, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 6009-70-7, Name is Ammonium oxalate monohydrate, molecular formula is C2H10N2O5, belongs to benzisoxazole compound. In a document, author is Aidene, Mohand.

Reactivity of 2,1-Benzisoxazole in Palladium-Catalyzed Direct Arylation with Aryl Bromides

The Pd-catalyzed direct arylation of 2,1-benzisoxazole with aryl bromides to access 3-arylbenzoisoxazoles proceeds in moderate-to-high yields with 1mol% Pd(OAc)(2) or 2mol% PdCl(C3H5)(dppb) (dppb=1,4-bis(diphenylphosphino)butane) as the catalysts and KOAc as an inexpensive base. A wide variety of (hetero)aryl bromides have been employed successfully. Moreover, arylations followed by benzisoxazole ring opening allowed the preparation of 2-aminobenzophenones in only two steps.

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

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 1113-38-8, Name is Ammonium oxalate, molecular formula is C2H8N2O4. In an article, author is Mathew, Thomas,once mentioned of 1113-38-8, Product Details of 1113-38-8.

2-Nitrodiphenylalkanes/alkenes as adept photosynthons for direct access to valuable N-heterocycles

Photoexcited o-nitro chromophore in o-nitrobenzylic systems has led to the design and development of many useful photochromic systems such as photolabile protecting groups, photoresists, for controlled release of bioactive compounds, as well as efficient photosynthons giving direct access to many important molecular systems that are otherwise difficult to obtain. This brief review cites a few examples showing the photochemistry of 2-nitrodiphenylalkanes and alkenes, which find useful in the synthesis of 2,1-benzisoxazole derivatives, dibenzo(c,f)-(1,2)diazepin-N-oxides and N,N-dioxides, acridones, isatogens etc., that are present in many pharmaceutical drugs.

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

557-59-5, Name is Tetracosanoic acid, molecular formula is C24H48O2, belongs to benzisoxazole compound, is a common compound. In a patnet, author is Ikeda, Ryuhei, once mentioned the new application about 557-59-5, Product Details of 557-59-5.

Catalytic Asymmetric Hydrogenation of 3-Substituted Benzisoxazoles

A variety of 3-substituted benzisoxazoles were reduced with hydrogen using the chiral ruthenium catalyst, {RuCl(p-cymene)[(R,R)-(S,S)-PhTRAP]}Cl. The ruthenium-catalyzed hydrogenation proceeded in high yield in the presence of an acylating agent, affording alpha-substituted o-hydroxybenzylamines with up to 57% ee. In the catalytic transformation, the N-O bond of the benzisoxazole substrate is reductively cleaved by the ruthenium complex under the hydrogenation conditions. The C-N double bond of the resulting imine is saturated stereoselectively through the PhTRAP-ruthenium catalysis. The hydrogenation produces chiral primary amines, which may work as catalytic poisons, however, the amino group of the hydrogenation product is rapidly acylated when the reaction is conducted in the presence of an appropriate acylating agent, such as Boc(2)O or Cbz-OSu.

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

113-24-6, Name is Sodium pyruvate, molecular formula is C3H3NaO3, belongs to benzisoxazole compound, is a common compound. In a patnet, author is Prasad, S. B. Benaka, once mentioned the new application about 113-24-6, Quality Control of Sodium pyruvate.

Synthesis of novel 6-fluoro-3-(4-piperidinyl)-1,2-benzisoxazole derivatives as antiproliferative agents: A structure-activity relationship study

A series of novel 6-fluoro-3-(4-piperidinyl)-1,2-benzisoxazole derivatives 5(a-m) were synthesized with different substituted aromatic/heterocyclic acid chlorides (R-CO-Cl) and characterized by H-1 NMR, LC/MS, FTIR and elemental analyses. All the compounds synthesised were evaluated for their antiproliferative activity by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay. The antiproliferative effects of the synthesised compounds were tested against viable human skin fibroblast cells and carcinoma cells namely HeLa cells, HT-29 cells, MCF-7 cells, HepG-2 cells by adopting positive and negative control. The importance of the aromatic and heterocyclic moiety was confirmed. From the SAR studies, it reveals that, the substitution at N-terminal of 6-fluoro-3-(4-piperidinyl)-1,2-benzisoxazole by the heterocyclic ring plays a dominant role and was responsible for the antiproliferative activity. Among the synthesized compounds 5a, 5d and 5k have showed potent antiproliferative activity on all the carcinoma cells tested.

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

Synthetic Route of 298-12-4, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 298-12-4, Name is 2-Oxoacetic acid, SMILES is OC(=O)C=O, belongs to benzisoxazole compound. In a article, author is HARADA, H, introduce new discover of the category.

DEVELOPMENT OF POTENT SEROTONIN-3 (5-HT3) RECEPTOR ANTAGONISTS .2. STRUCTURE-ACTIVITY-RELATIONSHIPS OF N-(1-BENZYL-4-METHYLHEXAHYDRO-1H-1,4-DIAZEPIN-6-YL)CARBOXAMIDES

Our studies on 4-amino-5-chloro-2-ethoxybenzamides led to the discovery that the N-(1,4-dimethylhexahydro-1H-1,4-diazepin-6-yl)benzamide 9 and the 1-benzyl-4-methylhexahydro-1H-1,4-diazepine analogue 10 are potent serotonin-3 (5-HT3) receptor antagonists. Structure-activity relationship (SAR) studies on the influence of the aromatic nucleus of 9 and 10 upon inhibition of the von Bezold-Jarisch reflex in rats are described. Heteroaromatic rings such as pyrrole, thiophene, furan, pyridine, pyridazine, 1,2-benzisoxazole, indole, quinoline, and isoquinoline rings showed weak 5-HT, receptor antagonistic activity, Within this series, use of the 1H-indazole ring as an aromatic moiety led to a substantial increase of the activity; the 1H-indazolylcarboxamides 54, 57, 97, and 102 showed potent 5-HT3 receptor antagonistic activity. The optimal compound identified via extensive SAR studies was N-(1-benzyl-4-methylhexahydro-1H-1,4-diazepin-6-yl)-1H-indazole-3-carboxamide (54), whose effect was superior to that of the corresponding benzamide 10 and essentially equipotent to those of ondansetron (1) and granisetron (4).

Synthetic Route of 298-12-4, Each elementary reaction can be described in terms of its molecularity, the number of molecules that collide in that step. The slowest step in a reaction mechanism is the rate-determining step.you can also check out more blogs about 298-12-4.

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

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 83249-10-9, Name is 3-(Methoxycarbonyl)bicyclo[1.1.1]pentane-1-carboxylic acid, SMILES is O=C(C1(C2)CC2(C(OC)=O)C1)O, in an article , author is Kociolek, Martin G., once mentioned of 83249-10-9, COA of Formula: https://www.ambeed.com/products/83249-10-9.html.

SYNTHESIS OF 1,2-BENZISOXAZOLE 2-OXIDES

A series of 2-hydroxyaryl ketoximes were converted to the corresponding 1,2-benzisoxazole 2-oxides by treatment with iodobenzene diacetate (in acetic acid or methanol) or N-chlorosuccinimide in water. Both methods gave moderate to excellent yields for a variety of substituted oximes under mild conditions within short reaction times. The latter method has the advantages of an aqueous solvent and lack of halogenated organic by-products.

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

In an article, author is Hoy, Sheridan M., once mentioned the application of 57-11-4, Name: Stearic acid, Name is Stearic acid, molecular formula is C18H36O2, molecular weight is 284.4773, MDL number is MFCD00002752, category is benzisoxazole. Now introduce a scientific discovery about this category.

Zonisamide: A Review of Its Use as Adjunctive Therapy in the Management of Partial Seizures in Pediatric Patients Aged >= 6 Years

Oral zonisamide (Zonegran(A (R))) is a benzisoxazole derivative chemically unrelated to other antiepileptic drugs (AEDs). It is approved in the EU as an adjunct to other AEDs in the treatment of pediatric patients aged a parts per thousand yen6 years with partial seizures, with or without secondary generalization. In a randomized, double-blind, multinational, phase III study in pediatric patients aged 6-17 years with partial seizures, the proportion of patients achieving a a parts per thousand yen50 % reduction from baseline in seizure frequency per 28 days during the maintenance treatment period was significantly higher with adjunctive therapy with zonisamide than placebo. The antiepileptic efficacy of zonisamide was sustained during a 59-week extension study in this patient population. Zonisamide was generally well tolerated in these studies, with the majority of adverse events being mild or moderate in severity. Thus, oral zonisamide as an adjunctive therapy to other AEDs provides a useful option in the treatment of pediatric patients aged a parts per thousand yen6 years with partial seizures.

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

503-66-2, Name is 3-Hydroxypropionic Acid (contains varying amounts of 3,3-Oxydipropionic Acid), molecular formula is C3H6O3, belongs to benzisoxazole compound, is a common compound. In a patnet, author is Cox, Joanna H., once mentioned the new application about 503-66-2, HPLC of Formula: https://www.ambeed.com/products/503-66-2.html.

Zonisamide as a Treatment for Partial Epileptic Seizures: A Systematic Review

Although the majority of people with epilepsy have a good prognosis and their seizures can be well controlled with pharmacotherapy, up to one-third of patients can develop drug-resistant epilepsy, especially those patients with partial seizures. This unmet need has driven considerable efforts over the last few decades aimed at developing and testing newer antiepileptic agents to improve seizure control. One of the most promising antiepileptic drugs of the new generation is zonisamide, a benzisoxazole derivative chemically unrelated to other anticonvulsant agents. In this article, the authors present the results of a systematic literature review summarizing the current evidence on the efficacy and tolerability of zonisamide for the treatment of partial seizures. Of particular interest within this updated review are the recent data on the use of zonisamide as monotherapy, as they might open new therapeutic avenues.

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