Category: 118994-89-1

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Ethyl oxazole-5-carboxylate( cas:118994-89-1 ) is researched.Related Products of 118994-89-1.Yang, Ke; Zhang, Cheng; Wang, Peng; Zhang, Yan; Ge, Haibo published the article 《Nickel-catalyzed decarboxylative acylation of heteroarenes by sp2 C-H functionalization》 about this compound( cas:118994-89-1 ) in Chemistry – A European Journal. Keywords: oxoglyoxylic acid oxazole decarboxylative acylation nickel catalyst; oxazole ketone preparation; acylation; decarboxylation; heteroarenes; nickel; sp2 CH bond functionalization. Let’s learn more about this compound (cas:118994-89-1).

Nickel-catalyzed ligand-free decarboxylative cross-coupling of azole derivatives with α-oxoglyoxylic acids was developed. This work represents the first example of decarboxylative cross-coupling reactions, in a C-H bond functionalization manner, through nickel catalysis, and tolerates various functional groups. Addnl., this approach provides an efficient access to (ox)azole ketones, an important structural motif in many medicinal compounds with a broad range of biol. activities. © 2014 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

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Reference:
Pyrazine – Wikipedia,
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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Chemistry – A European Journal called Total synthesis of potent antifungal marine bisoxazole natural products benzazoles A and B, Author is Bull, James A.; Balskus, Emily P.; Horan, Richard A. J.; Langner, Martin; Ley, Steven V., which mentions a compound: 118994-89-1, SMILESS is O=C(C1=CN=CO1)OCC, Molecular C6H7NO3, Safety of Ethyl oxazole-5-carboxylate.

The bengazoles are a family of marine natural products that display potent antifungal activity and a unique structure, containing two oxazole rings flanking a single carbon atom. Total syntheses of benzazole A and B are described, which contain a sensitive stereogenic center at this position between the two oxazoles. Addnl., the synthesis of 10-epi-benzazole A is reported. Two parallel synthetic routes were investigated, relying on construction of the 2,4-disubstituted oxazole under mild conditions and a diastereoselective 1,3-dipolar cycloaddition Our successful route is high yielding, provides rapid access to single stereoisomers of the complex natural products and allows the synthesis of analogs for biol. evaluation.

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Pyrazine – Wikipedia,
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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Research Support, Non-U.S. Gov’t, Organic Letters called The Kondrat’eva Reaction in Flow: Direct Access to Annulated Pyridines, Author is Lehmann, Johannes; Alzieu, Thibaut; Martin, Rainer E.; Britton, Robert, which mentions a compound: 118994-89-1, SMILESS is O=C(C1=CN=CO1)OCC, Molecular C6H7NO3, Recommanded Product: Ethyl oxazole-5-carboxylate.

A continuous flow inverse-electron-demand Kondrat’eva reaction has been developed that provides direct access to cycloalka[c]pyridines from unactivated oxazoles and cycloalkenes. The cycloadditions of both unactivated alkenes and deactivated oxazoles are promoted in continuous flow at elevated temperatures and pressures (230 °C, 750psi). E.g., reaction of 5-phenyloxazole and cyclopentene in presence of TFA gave 55% 4-phenyl-6,7-dihydro-5H-cyclopenta[c]pyridine (I). Annulated pyridines obtained by this one-step process are valuable scaffolds for medicinal chem.

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Pyrazine – Wikipedia,
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Recommanded Product: Ethyl oxazole-5-carboxylate. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Ethyl oxazole-5-carboxylate, is researched, Molecular C6H7NO3, CAS is 118994-89-1, about Light-Promoted Copper-Catalyzed Enantioselective Alkylation of Azoles. Author is Li, Chen; Chen, Bin; Ma, Xiaodong; Mo, Xueling; Zhang, Guozhu.

A catalytic asym. alkylation of azoles with secondary 1-arylalkyl bromides through direct C-H functionalization is reported. Under blue-light photoexcitation, a copper(I)/carbazole-based bisoxazoline (CbzBox) catalytic system exhibits good reactivity and high stereoselectivity, thus offering an efficient strategy for the construction of chiral alkyl azoles. These reactions proceed at low temperature and are compatible with a wide range of azoles.

There are many compounds similar to this compound(118994-89-1)Recommanded Product: Ethyl oxazole-5-carboxylate. if you want to know more, you can check out my other articles. I hope it will help you，maybe you’ll find some useful information.

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Product Details of 118994-89-1. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Ethyl oxazole-5-carboxylate, is researched, Molecular C6H7NO3, CAS is 118994-89-1, about The Application of C-H Functionalization in the Development of a Concise and Convergent Route to the Phosphatidylinositol-3-kinase Delta Inhibitor Nemiralisib.. Author is Bream, Robert N.; Clark, Hugh; Edney, Dean; Harsanyi, Antal; Hayler, John; Ironmonger, Alan; Mc Cleary, Nadine; Phillips, Natalie; Priestley, Catherine; Roberts, Alastair; Rushworth, Philip; Szeto, Peter; Webb, Michael R.; Wheelhouse, Katherine.

The development of an improved and scalable method for the manufacture of Nemiralisib, a phosphatidylinositol-3-kinase delta inhibitor was studied. Incorporation of three consecutive catalytic reactions, including a palladium-catalyzed C-H functionalization and an iridium-catalyzed borylation, significantly simplified and shortened the synthetic sequence. The revised route was successfully implemented in pilot plant on multikilogram scale to deliver >100 kg of product.

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Pyrazine – Wikipedia,
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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 118994-89-1, is researched, Molecular C6H7NO3, about The Application of C-H Functionalization in the Development of a Concise and Convergent Route to the Phosphatidylinositol-3-kinase Delta Inhibitor Nemiralisib., the main research direction is Nemiralisib improved preparation.Application of 118994-89-1.

The development of an improved and scalable method for the manufacture of Nemiralisib, a phosphatidylinositol-3-kinase delta inhibitor was studied. Incorporation of three consecutive catalytic reactions, including a palladium-catalyzed C-H functionalization and an iridium-catalyzed borylation, significantly simplified and shortened the synthetic sequence. The revised route was successfully implemented in pilot plant on multikilogram scale to deliver >100 kg of product.

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Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Ethyl oxazole-5-carboxylate(SMILESS: O=C(C1=CN=CO1)OCC,cas:118994-89-1) is researched.Quality Control of 5-Amino-2-fluoropyridine. The article 《A Method for Iodination of Oxazoles at C-4 via 2-Lithiooxazoles》 in relation to this compound, is published in Journal of Organic Chemistry. Let’s take a look at the latest research on this compound (cas:118994-89-1).

Lithiation and sequential iodination of oxazole derivatives gave mixtures of 4-iodooxazole derivatives, 2-iodooxazole derivatives and 2,4-diiodooxazole derivatives Metalation of 5-(4-methylphenyl)oxazole and coupling with 4-iodo-5-(2-phenylethyl)oxazole gave the resp. 2,4′-bisoxazole.

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Pyrazine – Wikipedia,
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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 118994-89-1, is researched, Molecular C6H7NO3, about Fluorogenic Behaviour of the Hetero-Diels-Alder Ligation of 5-Alkoxyoxazoles with Maleimides and their Applications, the main research direction is fluorescence maleimide ligation peptide labeling; Diels-Alder; azaphthalimide; fluorescence spectroscopy; ligation; oxazole.Formula: C6H7NO3.

Fluorogenic reactions are largely underrepresented in the toolbox of chemoselective ligations despite their tremendous potential, particularly in chem. biol. and biochem. In this respect, we have investigated in full detail the fluorescence behavior of the azaphthalamide, a scaffold which is generated through a hetero-Diels-Alder reaction of 5-alkoxyoxazole and maleimide derivatives under mild conditions that are compatible with, among others, peptide chem. The scope and limitations of such a fluorogenic labeling strategy were examined through four distinct applications, which target enzymic activities or bioorthogonal reactions.

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Pyrazine – Wikipedia,
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SDS of cas: 118994-89-1. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: Ethyl oxazole-5-carboxylate, is researched, Molecular C6H7NO3, CAS is 118994-89-1, about Direct C2-Heteroarylation of Indoles by Rhodium-Catalyzed C-C Bond Cleavage of Secondary Alcohols. Author is Yu, Tian-Yang; Zheng, Zhao-Jing; Sun, Wei; Qiao, Zi-Heng.

A rhodium-catalyzed direct heteroarylation of indoles by cleavage of an inert C-C bond of alcs. is reported. This catalytic system exhibits high reactivity and tolerates various functional groups. This reaction provides a tool for the rapid construction of biheteroaryls without pre-activation of the starting materials. Control experiments were conducted to determine a possible mechanism. This reaction makes a significant contribution to the field of C-C bond activation of alcs.

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Reference:
Pyrazine – Wikipedia,
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HPLC of Formula: 118994-89-1. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Ethyl oxazole-5-carboxylate, is researched, Molecular C6H7NO3, CAS is 118994-89-1, about Total synthesis of potent antifungal marine bisoxazole natural products benzazoles A and B. Author is Bull, James A.; Balskus, Emily P.; Horan, Richard A. J.; Langner, Martin; Ley, Steven V..

The bengazoles are a family of marine natural products that display potent antifungal activity and a unique structure, containing two oxazole rings flanking a single carbon atom. Total syntheses of benzazole A and B are described, which contain a sensitive stereogenic center at this position between the two oxazoles. Addnl., the synthesis of 10-epi-benzazole A is reported. Two parallel synthetic routes were investigated, relying on construction of the 2,4-disubstituted oxazole under mild conditions and a diastereoselective 1,3-dipolar cycloaddition Our successful route is high yielding, provides rapid access to single stereoisomers of the complex natural products and allows the synthesis of analogs for biol. evaluation.

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Reference:
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem