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Formula: C10H10ClNO. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1-(4-Chlorophenyl)pyrrolidin-2-one, is researched, Molecular C10H10ClNO, CAS is 7661-33-8, about Dinuclear Copper(I) Complexes as Precatalysts in Ullmann and Goldberg Coupling Reactions. Author is Haldon, Estela; Alvarez, Eleuterio; Nicasio, M. Carmen; Perez, Pedro J..

The use of structurally well-characterized Cu(I) species as precatalysts in C-N and C-S bond forming reactions is described. Two new dinuclear Cu(I) complexes containing two isomeric ligands of bis(7-azaindolyl)methane were synthesized and fully characterized by NMR and x-ray diffraction studies. Both Cu(I) species exhibit a 1:1 Cu/L ratio and were used as precatalysts in the N-arylation of 2-pyrrolidinone and S-arylation of thiols with aryl iodides. The complexes efficiently catalyze these cross-coupling reactions, affording high yields of products under mild conditions.

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Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 1H-Pyrazole-4-sulfonyl chloride, is researched, Molecular C3H3ClN2O2S, CAS is 438630-64-9, about Purinylpyridinylamino-based DFG-in/αC-helix-out B-Raf inhibitors: Applying mutant versus wild-type B-Raf selectivity indices for compound profiling.Related Products of 438630-64-9.

One of the challenges for targeting B-RafV600E with small mol. inhibitors had been achieving adequate selectivity over the wild-type protein B-RafWT, as inhibition of the latter has been associated with hyperplasia in normal tissues. Recent studies suggest that B-Raf inhibitors inducing the ‘DFG-in/αC-helix-out’ conformation (Type IIB) likely will exhibit improved selectivity for B-RafV600E. To explore this hypothesis, we transformed Type IIA inhibitor (1) into a series of Type IIB inhibitors (sulfonamides and sulfamides 4-6) and examined the SAR. Three selectivity indexes were introduced to facilitate the analyses: the B-RafV600E/B-RafWT biochem. (bS), cellular (cS) selectivity, and the phospho-ERK activation (pA). Our data indicates that α-branched sulfonamides and sulfamides show higher selectivities than the linear derivatives We rationalized this finding based on anal. of structural information from the literature and provided evidence for a monomeric B-Raf-inhibitor complex previously hypothesized to be responsible for the desired B-RafV600E selectivity.

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Product Details of 7661-33-8. 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: 1-(4-Chlorophenyl)pyrrolidin-2-one, is researched, Molecular C10H10ClNO, CAS is 7661-33-8, about Synthesis of haptens and potential radioligands and development of antibodies to insect growth regulators diflubenzuron and BAY SIR 8514. Author is Wie, Siong I.; Sylwester, Alan P.; Wing, Keith D.; Hammock, Bruce D..

A variety of synthetic approaches were undertaken, leading to potential haptens and radioligands for the benzoylphenylurea insect growth regulators diflubenzuron  [35367-38-5] and BAY SIR 8514  [64628-44-0]. One successful approach involved derivatization of the aniline N by Et 4-bromobutyrate followed by reaction with an appropriate isocyanate and cleavage of the Et ester to yield a free carboxypropyl “”handle””. Useful haptens were also synthesized by using a 3′-phenolic metabolite of diflubenzuron as well as acetate and amine functionalities in the 4′ position while the N-sulfenyl bond proved too unstable for use as an antigen. With the exception of the sulfenylated derivatives, the haptens lacked significant bol. activity on 3 insect species. Following protein coupling by the active ester or water-soluble diimide method, antibodies were raised to 2 diflubenzuron haptens in each of 7 rabbits immunized as demonstrated by radioimmunoassay using [14C]diflubenzuron, Ouchterlony gel diffusion, and immunoelectrophoresis.

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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.Ebrahimi, A.; Habibi-Khorasani, S. M.; Jahantab, M. researched the compound: Pyridine-3,5-dicarbonitrile( cas:1195-58-0 ).Recommanded Product: Pyridine-3,5-dicarbonitrile.They published the article 《Additivity of substituent effects on the proton affinity and gas-phase basicity of pyridines》 about this compound( cas:1195-58-0 ) in Computational & Theoretical Chemistry. Keywords: pyridine substituent effect additivity proton affinity gas phase basicity. We’ll tell you more about this compound (cas:1195-58-0).

The change in the proton affinity (PA) and basicity (GB) of pyridine with substituents have been considered by quantum mech. methods at the B3LYP/6-311++G(d,p) level of theory. The PA and GB values increase by the electron-donating substituents and decrease by the electron-withdrawing substituents. The effects of substituents on the PA and GB are approx. additive. The deviations of changes that are predicted from the additivity of substituent effects are generally lower than 30% from the calculated changes. Linear relationships are observed between the calculated PA values of substituted pyridines and the topol. properties of electron d., the mol. electrostatic potentials (MEP), and the N-H bond lengths. In addition, well-defined relations are established between the calculated PA values and the Hammett constants, and the reaction constant (ρ) has been calculated for the protonation reaction. With some exceptions, the effect of substituents are also additive on the electron d. and its Laplacian calculated at N-H BCP, and the MEP values calculated around the N atom.

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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 Selective Copper-Catalyzed N-Arylation of Lactams with Arylboronic Acids under Base- and Ligand-Free Conditions, published in 2015-06-30, which mentions a compound: 7661-33-8, Name is 1-(4-Chlorophenyl)pyrrolidin-2-one, Molecular C10H10ClNO, Product Details of 7661-33-8.

An oxidative copper-catalyzed cross-coupling of arylboronic acids with various ring-size lactams has been developed. The N-arylated lactams were obtained in moderate to excellent yields without any addnl. bases, ligands, or additives. This reaction shows complete selectivity for N-arylation of lactams in the presence of a hydroxyl group.

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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.Bhunia, Subhajit; De, Subhadip; Ma, Dawei researched the compound: 1-(4-Chlorophenyl)pyrrolidin-2-one( cas:7661-33-8 ).Formula: C10H10ClNO.They published the article 《Room Temperature Cu-Catalyzed N-Arylation of Oxazolidinones and Amides with (Hetero)Aryl Iodides》 about this compound( cas:7661-33-8 ) in Organic Letters. Keywords: aryl oxazolidinone preparation arylamide copper catalyst; oxazolidinone amide heteroaryl iodide arylation. We’ll tell you more about this compound (cas:7661-33-8).

N,N′-Bis(pyridin-2-ylmethyl)oxalamide (BPMO) was found to be an apposite promoter for the Cu-catalyzed N-arylation of oxazolidinones and primary and secondary amides with (hetero)aryl iodides at room temperature Excellent chemoselectivity reached between aryl iodides and aryl bromides, and a wide range of functional groups tolerated the reaction conditions, which led to the formation of greatly diverse N-arylation products.

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Safety of 1-(4-Chlorophenyl)pyrrolidin-2-one. 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: 1-(4-Chlorophenyl)pyrrolidin-2-one, is researched, Molecular C10H10ClNO, CAS is 7661-33-8, about Iridium(III)-catalyzed regioselective direct arylation of sp2 C-H bonds with diaryliodonium salts. Author is Gao, Pan; Liu, Li; Shi, Zhuangzhi; Yuan, Yu.

A regioselective direct arylation of arenes and olefins with aryliodonium salts at the ortho position to provide biaryl compounds, e.g., I was reported. The key to the high selectivity was the appropriate choice of aryliodonium salts as the arylating reagent in presence of a cationic iridium(III) catalyst. The coordination of the metal with an oxygen atom or a nitrogen atom and subsequent C-H activation allowed for direct arylation with coupling partners. This reaction proceeded under mild reaction conditions and with a high tolerance of various functional groups including many halide functional groups.

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Quality Control of 1-(4-Chlorophenyl)pyrrolidin-2-one. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 1-(4-Chlorophenyl)pyrrolidin-2-one, is researched, Molecular C10H10ClNO, CAS is 7661-33-8, about Cyclization of ω-halo amides to lactams. Author is Manhas, Maghar S.; Jeng, Stella J..

N-Aryl-β-bromopropionamides and -γ-bromobutyramides, where the aryl group is Ph or 3 α-cholestanyl, are treated with Na in liquid NH3 to give 1 aryl-2-azetidionones (I) (Ar = Ph, o- and p-BrC6H4, etc.) and 1-aryl-2-pyrrolidinones. Lactams are also prepared from bromo amides and NaH in Me2SO and KOBu-tert in Me2SO.

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Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 23002-78-0, is researched, SMILESS is CC(C1=CSC(C)=N1)=O, Molecular C6H7NOSJournal, Article, Synlett called An efficient protocol for the oxidative hydrolysis of ketone SAMP hydrazones employing SeO2 and H2O2 under buffered (pH 7) conditions, Author is Smith, Amos B. III; Liu, Zhuqing; Simov, Vladimir, the main research direction is SAMP hydrazone ketone oxidative hydrolysis selenium oxide hydrogen peroxide.Electric Literature of C6H7NOS.

An effective oxidative protocol for the liberation of ketones from SAMP hydrazones employing peroxyselenous acid under aqueous buffered conditions (pH 7) has been developed. The procedure proceeds without epimerization of adjacent stereocenters or dehydration, in representative SAMP alkylation and aldol reaction adducts, resp.

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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 1-(4-Chlorophenyl)pyrrolidin-2-one( cas:7661-33-8 ) is researched.Formula: C10H10ClNO.Waly, Mohamed A.; Yossif, Shiam A.; Ibrahim, Ismail T.; Sofan, Mamdouh A. published the article 《Efficient Synthesis of N-Substituted 2,4-Azepandione Ring System as an Active Intermediate for Heterocyclic Syntheses》 about this compound( cas:7661-33-8 ) in Journal of Heterocyclic Chemistry. Keywords: azepandione preparation; butanoate acetylarylamino ethyl cyclization. Let’s learn more about this compound (cas:7661-33-8).

An improved efficient synthesis for 2,4-azepandiones I [R = H, CH3, Cl; R1 = H, CO2CH3] could be achieved by a careful control of the reaction conditions to cyclize Et 4-(N-acetylarylamino)butanoates 4-R-2-R1C6H3N[(CH2)3CO2CH2CH3]C(O)CH3, resp. Et 4-arylamino butanoates 4-R-2-R1C6H3NH(CH2)3C(O)2CH2CH3 was prepared by stirring the Et 4-bromobutanoate and substituted anilines 4-R-2-R1C6H3NH2 at room temperature Then, they were acetylated with acetyl chloride and triethylamine under the conditions that avoid the formation of 2-pyrrolidinone derivatives II. Due to the rapid decomposition of Et 4-(N-acetylarylamino)butanoates to Et 4-arylaminobutanoates, the reaction mixture was directly transferred without workup to the next cyclization step. The azepandione synthesis was favored by using a weak base at low temperature, where it was in a competition with the other modes of ring closure. The structures of the new compounds were supported by correct anal. and spectral data.

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