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4-pyrazolyl-benzene boronic ester is a chemical compound that belongs to the group of boronic esters, characterized by a benzene ring with a pyrazolyl group attached and a boronic ester functional group. It is a versatile reagent in organic synthesis and a valuable building block for the development of pharmaceuticals and agrochemicals.

1312478-63-9

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1312478-63-9 Usage

Uses

Used in Organic Synthesis:
4-pyrazolyl-benzene boronic ester is used as a reagent in Suzuki-Miyaura coupling reactions for the formation of carbon-carbon bonds, a widely used method in organic chemistry to create complex molecules.
Used in Pharmaceutical Development:
4-pyrazolyl-benzene boronic ester is used as a building block in the synthesis of diverse biologically active compounds, contributing to the development of new pharmaceuticals with potential therapeutic applications.
Used in Agrochemical Development:
4-pyrazolyl-benzene boronic ester is also utilized in the creation of agrochemicals, serving as a key component in the synthesis of compounds with pesticidal or herbicidal properties, enhancing crop protection and yield.

Check Digit Verification of cas no

The CAS Registry Mumber 1312478-63-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,4,7 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1312478-63:
(9*1)+(8*3)+(7*1)+(6*2)+(5*4)+(4*7)+(3*8)+(2*6)+(1*3)=139
139 % 10 = 9
So 1312478-63-9 is a valid CAS Registry Number.

1312478-63-9Relevant academic research and scientific papers

Copper-Catalyzed ipso-Borylation of Fluoroarenes

Niwa, Takashi,Ochiai, Hidenori,Hosoya, Takamitsu

, p. 4535 - 4541 (2017)

ipso-Borylation of fluoroarenes has been achieved using an air-stable copper complex as a catalyst. Mechanistic studies suggest that the reaction proceeds via an SRN1 mechanism involving a single-electron-transfer (SET) process and not via the typical SNAr mechanism. This method differs from the previously reported nickel/copper-cocatalyzed system in terms of scope of the substrate and has exhibited good scalability. Double and triple ipso-borylations of several di- and trifluoroarenes have been also achieved efficiently, enhancing the synthetic utility of this method.

Photo-induced thiolate catalytic activation of inert Caryl-hetero bonds for radical borylation

K?nig, Burkhard,Wang, Hua,Wang, Shun

supporting information, p. 1653 - 1665 (2021/06/17)

Substantial effort is currently being devoted to obtaining photoredox catalysts with high redox power. Yet, it remains challenging to apply the currently established methods to the activation of bonds with high bond dissociation energy and to substrates with high reduction potentials. Herein, we introduce a novel photocatalytic strategy for the activation of inert substituted arenes for aryl borylation by using thiolate as a catalyst. This catalytic system exhibits strong reducing ability and engages non-activated Caryl–F, Caryl–X, Caryl–O, Caryl–N, and Caryl–S bonds in productive radical borylation reactions, thus expanding the available aryl radical precursor scope. Despite its high reducing power, the method has a broad substrate scope and good functional-group tolerance. Spectroscopic investigations and control experiments suggest the formation of a charge-transfer complex as the key step to activate the substrates.

GLYCOLATE OXIDASE INHIBITORS FOR THE TREATMENT OF DISEASE

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Paragraph 00567; 00569; 002089; 002091, (2021/01/22)

Described herein are compounds, methods of making such compounds, pharmaceutical compositions and medicaments containing such compounds, and methods of using such compounds to treat or prevent diseases or disorders associated with a defect in glyoxylate metabolism, for example a disease or disorder associated with the enzyme glycolate oxidase (GO) or alterations in oxalate metabolism. Such diseases or disorders include, for example, disorders of glyoxylate metabolism, including primary hyperoxaluria, that are associated with production of excessive amounts of oxalate.

GLYCOLATE OXIDASE INHIBITORS FOR THE TREATMENT OF DISEASE

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Paragraph 00609; 00610; 00612; 002131; 002132; 002134, (2019/07/17)

Described herein are compounds, methods of making such compounds, pharmaceutical compositions and medicaments containing such compounds, and methods of using such compounds to treat or prevent diseases or disorders associated with the enzyme glycolate oxidase (GO). Such diseases or disorders include, for example, disorders of glyoxylate metabolism, including primary hyperoxaluria, that are associated with production of excessive amounts of oxalate.

NITROGEN-CONTAINING HETEROCYCLIC COMPOUND

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, (2017/08/01)

The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity and useful as a medicament such as a prophylactic or therapeutic drug for Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, dementia with Lewy bodies and the like, and the like. The present invention relates to a compound represented by the formula (I) or a salt thereof. wherein each symbol is as described in the attached DESCRIPTION.

Compound containing L-prolinamide fragment, and preparation method and application thereof

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Paragraph 0089; 0090, (2017/07/12)

The invention discloses a compound containing an L-prolinamide fragment, and a preparation method and an application thereof and belongs to the technical field of antitumor drugs. The compound containing the L-prolinamide fragment comprises a 5-aryl pyrid

Palladium-Catalyzed ipso-Borylation of Aryl Sulfides with Diborons

Bhanuchandra,Baralle, Alexandre,Otsuka, Shinya,Nogi, Keisuke,Yorimitsu, Hideki,Osuka, Atsuhiro

, p. 2966 - 2969 (2016/07/06)

A catalytic Miyaura-type ipso-borylation of aryl sulfides with diboron reagents has been achieved, providing arylboronate esters of synthetic use. The key conditions to transform inherently reluctant C-S bonds into C-B bonds include a palladium-NHC (N-heterocyclic carbene) precatalyst, bis(pinacolato)diboron, and lithium hexamethyldisilazide. This protocol is applicable to a reasonable range of aryl alkyl sulfides. Twofold borylation was observed in the reaction of diphenyl sulfide.

Ni/Cu-Catalyzed Defluoroborylation of Fluoroarenes for Diverse C-F Bond Functionalizations

Niwa, Takashi,Ochiai, Hidenori,Watanabe, Yasuyoshi,Hosoya, Takamitsu

supporting information, p. 14313 - 14318 (2015/11/27)

Ni/Cu-catalyzed transformation of fluoroarenes to arylboronic acid pinacol esters via C-F bond cleavage has been achieved. Further versatile derivatization of an arylboronic ester has allowed for the facile two-step conversion of a fluoroarene to diverse functionalized arenes, demonstrating the synthetic utility of the method.

N-LINKED HYDROXAMIC ACID DERIVATIVES USEFUL AS ANTIBACTERIAL AGENTS

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Page/Page column 37, (2011/07/07)

The present invention is directed to a new class of hydroxamic acid derivatives, their use as LpxC inhibitors, and more specifically their use to treat bacterial infections. Formula (I).

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