Category: 2689-65-8

Electric Literature of C5H3IO2. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 5-Iodo-2-furaldehyde, is researched, Molecular C5H3IO2, CAS is 2689-65-8, about Uracil-Directed Ligand Tethering: An Efficient Strategy for Uracil DNA Glycosylase (UNG) Inhibitor Development. Author is Jiang, Yu Lin; Krosky, Daniel J.; Seiple, Lauren; Stivers, James T..

Uracil DNA glycosylase (UNG) is an important DNA repair enzyme that recognizes and excises uracil bases in DNA using an extrahelical recognition mechanism. It is emerging as a desirable target for small-mol. inhibitors given its key role in a wide range of biol. processes including the generation of antibody diversity, DNA replication in a number of viruses, and the formation of DNA strand breaks during anticancer drug therapy. To accelerate the discovery of inhibitors of UNG we have developed a uracil-directed ligand tethering strategy. In this efficient approach, a uracil aldehyde ligand is tethered via alkyloxyamine linker chem. to a diverse array of aldehyde binding elements. Thus, the mechanism of extrahelical recognition of the uracil ligand is exploited to target the UNG active site, and alkyloxyamine linker tethering is used to randomly explore peripheral binding pockets. Since no compound purification is required, this approach rapidly identified the first small-mol. inhibitors of human UNG with micromolar to submicromolar binding affinities. In a surprising result, these uracil-based ligands are found not only to bind to the active site but also to bind to a second uncompetitive site. The weaker uncompetitive site suggests the existence of a transient binding site for uracil during the multistep extrahelical recognition mechanism. This very general inhibitor design strategy can be easily adapted to target other enzymes that recognize nucleobases, including other DNA repair enzymes that recognize other types of extrahelical DNA bases.

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1,8-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N2 – PubChem

Application In Synthesis of 5-Iodo-2-furaldehyde. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 5-Iodo-2-furaldehyde, is researched, Molecular C5H3IO2, CAS is 2689-65-8, about Photochemical behavior of halogenoheterocyclic derivatives. The alternative between arylation and dehalogenation reactions. Author is D’Auria, Maurizio.

Semiempirical calculations on the transient intermediates involved in the irradiation of haloheterocyclic compounds showed that the difference between the heat of formation of the substrates and that of the radical intermediates derived from cleavage of the C-X bond can be a useful parameter to justify the observed chem. behavior towards arylation or dehalogenation.

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1,8-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N2 – PubChem

Safety of 5-Iodo-2-furaldehyde. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 5-Iodo-2-furaldehyde, is researched, Molecular C5H3IO2, CAS is 2689-65-8, about Structure and properties of heterocyclic compounds and complexes. III. Conformations of substituted furfurals studied by dipole moments and Kerr effect methods. Author is Osipov, O. A.; Sheinker, V. N.; Kuzharov, A. S.; Nazarova, Z. N.; Derecha, E. G.; Bulgarevich, S. B..

Conformational equilibrium of 3-bromo-, 5-bromo-, 4,5-dibromo-, 3-methyl-, 5-methyl-, 5-iodo-, and 5-nitro-2-furaldehyde were determined Substituent repulsion energy played a significant role in determining relative conformational stabilities.

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1,8-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N2 – PubChem

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 5-Iodo-2-furaldehyde(SMILESS: IC1=CC=C(O1)C=O,cas:2689-65-8) is researched.HPLC of Formula: 1569-17-1. The article 《Preparation and properties of 3,5-disubstituted rhodanines》 in relation to this compound, is published in Revista sobre los Derivados de la Cana de Azucar. Let’s take a look at the latest research on this compound (cas:2689-65-8).

3-Benzyl-5-furfurylidenerhodanines I (R = H, Cl, Br, I) were prepared by condensation of 3-benzylrhodanine (II) with furfural or its 5-halo derivatives in AcOH-AcONa. II was prepared by treatment of PhCH2NH2 with CS2 and KOH, condensation of the resulting PhCH2NHCS2K with ClCH2CO2K, and cyclization in the presence of concentrated HCl.

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1,8-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N2 – PubChem

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Proton-acceptor capacity of aromatic and heterocyclic carbonyl compounds at the hydrogen bond formation stage. II. 5-Substituted furfurals, published in 1982-05-31, which mentions a compound: 2689-65-8, Name is 5-Iodo-2-furaldehyde, Molecular C5H3IO2, Recommanded Product: 5-Iodo-2-furaldehyde.

The IR spectral shifts of the OH group of PhOH in the presence of I (R = H, Me, Me2N, Cl, Br, I) and II (R = H, Me, MeO, Cl, Br) were determined and correlated with substituent constants The furan ring displayed electron-donating character to a small extent. The doublet IR bands in the 3100-3600 cm-1 region arose form H bonding of PhOH with the carbonyl O and with the π system of I and II. Transmission coefficients of 0.4 and 0.5 were calculated for the 1,4-phenylene and 2,5-furandiyl groups.

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1,8-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N2 – PubChem

Reference of 5-Iodo-2-furaldehyde. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 5-Iodo-2-furaldehyde, is researched, Molecular C5H3IO2, CAS is 2689-65-8, about Chemical shifts and JC13-H coupling constants in 5-substituted furfurals. Author is Rodriguez, M.; Gra Rios, Rafael.

The coupling constants between 13C and H were obtained from the PMR spectra of 5 substituted furfurals in 3M solutions in Me2SO. The charge ds. were calculated by using the Pariser Parr-Pople method. Good correlations were found for the chem. shifts for the H atom except for the 3 position. Therefore in positions 4 and α, the chem. shifts depend mainly of the π-electron d., whereas for the 3 position, the mesomeric effect of the substituent may be neglected. For the coupling constants there is a linear relation between JC13-Hα, JC13-H3 and the McDaniel and Brown (1958) constants σp and σm resp. For JC13-H4 vs. σp, the correlation is poor. The linear correlation between JC13-H3 and the chem. shifts for the H in position 3 implies that the chem. shifts in the 3 position are determined by electronic factors, mainly by variations in the σ-electron d.

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1,8-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N2 – PubChem

Electric Literature of C5H3IO2. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 5-Iodo-2-furaldehyde, is researched, Molecular C5H3IO2, CAS is 2689-65-8, about Polar properties and reactivities of some 5-substituted furfurals. Author is Kogan, M. G.; Pustovarov, V. S.; Kolodyazhnyi, Yu. V.; Nazarova, Z. N.; Osipov, O.A..

The dipole moments (μ) were determined of the following 5-substituted furfurals (I) (substituent and μ given): Et2N, 5.66; Me2N, 5.50; piperidino, 5.43; PhNMe, 4.95; morpholino, 4.81; Me, 3.94; CHO, 3.46; H, 3.57; Br, 3.37; Cl, 3.37; I, 3.29. Linear correlations were obtained between μ and Hammett σ constant of the substituents. The relative reaction rates (k) were also determined for the reactions of I with PhNH2. A linear plot was obtained when μ were plotted vs. log k. I (R = Me, NMe2, or NEt2) have in solution primarily the cis configuration.

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1,8-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N2 – PubChem

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Ligand-Promoted Meta-C-H Arylation of Anilines, Phenols, and Heterocycles, published in 2016-07-27, which mentions a compound: 2689-65-8, mainly applied to regioselective meta arylation aniline phenol heterocycle aryl iodide; hydroxypyridine ligand meta arylation aniline phenol heterocycle aryl iodide; lenalidomide meta arylation, Formula: C5H3IO2.

The authors report the development of a versatile 3-acetylamino-2-hydroxypyridine class of ligands that promote meta-C-H arylation of anilines, heterocyclic aromatic amines, phenols, and 2-benzyl heterocycles using norbornene as a transient mediator. More than 120 examples are presented, demonstrating this ligand scaffold enables a wide substrate and coupling partner scope. Meta-C-H arylation with heterocyclic aryl iodides as coupling partners is also realized for the first time using this ligand. The utility for this transformation for drug discovery is showcased by allowing the meta-C-H arylation of a lenalidomide derivative The first steps toward a silver-free protocol for this reaction are also demonstrated.

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1,8-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N2 – PubChem

Synthetic Route of C5H3IO2. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: 5-Iodo-2-furaldehyde, is researched, Molecular C5H3IO2, CAS is 2689-65-8, about Synthesis of new heterocyclic compounds based on N-benzyl(heptyl)-3-benzyl(heptyl)amino-4-hydroxybutanamides.

The reactions of HOCH2CH(NHR)CH2CONHR (R = benzyl, heptyl) with 5-iodofurfural, Cl3CCOOEt, SOCl2, and di-Et oxalate were examined The products included oxazolidines I and II (R = benzyl, heptyl), oxathiazolidine oxide III, and morpholinediones IV (same R). I and III showed antibacterial and antifungal activity.

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1,8-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N2 – PubChem

Computed Properties of C5H3IO2. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 5-Iodo-2-furaldehyde, is researched, Molecular C5H3IO2, CAS is 2689-65-8, about An unusual photochemical reaction of indene with furan and thiophene derivatives. Author is D’Auria, Maurizio; De Mico, Antonella; D’Onofrio, Franco.

Photochem. substitution of iododfurans or iodothiophenes by indene gave 2-indenylfurans or -thiophenes. E.g., irradiation of 5-iodofuran-2-carboxaldehyde in MeCN in the presence of indene gave the substitution product I.

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Reference:
1,8-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N2 – PubChem