Category: 7661-33-8

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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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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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.

There is still a lot of research devoted to this compound(SMILES：O=C1N(C2=CC=C(Cl)C=C2)CCC1)Safety of 1-(4-Chlorophenyl)pyrrolidin-2-one, and with the development of science, more effects of this compound(7661-33-8) can be discovered.

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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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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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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: 7661-33-8, is researched, Molecular C10H10ClNO, about Efficient Synthesis of N-Substituted 2,4-Azepandione Ring System as an Active Intermediate for Heterocyclic Syntheses, the main research direction is azepandione preparation; butanoate acetylarylamino ethyl cyclization.SDS of 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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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 ).Computed Properties of 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.

If you want to learn more about this compound(1-(4-Chlorophenyl)pyrrolidin-2-one)Computed Properties of C10H10ClNO, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(7661-33-8).

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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.Prince, Robin J.; Gao, Fang; Pazienza, Jessica E.; Marx, Isaac E.; Schulz, Jurgen; Hopkins, Brian T. researched the compound: 1-(4-Chlorophenyl)pyrrolidin-2-one( cas:7661-33-8 ).Quality Control of 1-(4-Chlorophenyl)pyrrolidin-2-one.They published the article 《Utilization of Cyclic Amides as Masked Aldehyde Equivalents in Reductive Amination Reactions》 about this compound( cas:7661-33-8 ) in Journal of Organic Chemistry. Keywords: cyclic amide masked aldehyde equivalent reductive amination. We’ll tell you more about this compound (cas:7661-33-8).

An operationally simple protocol has been discovered that couples primary or secondary amines with N-aryl-substituted lactams to deliver differentiated diamines in moderate to high yields. The process allows for the partial reduction of a lactam in the presence of Cp2ZrHCl (Schwartz’s reagent), followed by a reductive amination between the resulting hemiaminal and primary or secondary amine. These reactions can be telescoped in a one-pot fashion to significantly simplify the operation. The scope of amines and substituted lactams of various ring sizes was demonstrated through the formation of a range of differentiated diamine products. Furthermore, this methodol. was expanded to include N-aryl pyrrolidinone substrates with an enantiopure ester group at the 5-position, and α-amino piperidinones were prepared with complete retention of stereochem. information. The development of this chem. has enabled the consideration of lactams as useful synthons.

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