Tag: M.W=200-300

Name: 3-Bromo-4-chloronitrobenzene. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 3-Bromo-4-chloronitrobenzene, is researched, Molecular C6H3BrClNO2, CAS is 16588-26-4, about GDC-0449-A potent inhibitor of the hedgehog pathway. Author is Robarge, Kirk D.; Brunton, Shirley A.; Castanedo, Georgette M.; Cui, Yong; Dina, Michael S.; Goldsmith, Richard; Gould, Stephen E.; Guichert, Oivin; Gunzner, Janet L.; Halladay, Jason; Jia, Wei; Khojasteh, Cyrus; Koehler, Michael F. T.; Kotkow, Karen; La, Hank; La Londe, Rebecca L.; Lau, Kevin; Lee, Leslie; Marshall, Derek; Marsters, James C.; Murray, Lesley J.; Qian, Changgeng; Rubin, Lee L.; Salphati, Laurent; Stanley, Mark S.; Stibbard, John H. A.; Sutherlin, Daniel P.; Ubhayaker, Savita; Wang, Shumei; Wong, Susan; Xie, Minli.

SAR for a wide variety of heterocyclic replacements for a benzimidazole led to the discovery of functionalized 2-pyridyl amides as novel inhibitors of the hedgehog pathway. The 2-pyridyl amides were optimized for potency, PK, and drug-like properties by modifications to the amide portion of the mol. resulting in I (GDC-0449). Amide I produced complete tumor regression at doses as low as 12.5 mg/kg BID in a medulloblastoma allograft mouse model that is wholly dependent on the Hh pathway for growth and is currently in human clin. trials, where it is initially being evaluated for the treatment of BCC.

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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: 16588-26-4, is researched, Molecular C6H3BrClNO2, about Formation and rearrangement of ipso intermediates in aromatic free-radical chlorination reactions, the main research direction is ipso intermediate radical chlorination; rearrangement halonitrobenzene chlorination mechanism; nitrobenzene halo chlorination mechanism; transition state structure chlorination.Related Products of 16588-26-4.

Photoinitiated chlorination of p-ClC6H4NO2 (I) in CCl4 at room temperature produces mainly p-Cl2C6H4 (II) and some Cl3C6H3 (III). Reaction of p-BrC6H4NO2 (IV) under the same conditions also produces II and III plus a small amount of 2,4-Br(O2N)C6H3Cl (V). The presence of rearrangement product V and the greater III/II ratio from IV than from I are strong evidence for the formation and rearrangement of an ipso intermediate in these aromatic free-radical chlorinations.

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Recommanded Product: 3-Bromo-4-chloronitrobenzene. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 3-Bromo-4-chloronitrobenzene, is researched, Molecular C6H3BrClNO2, CAS is 16588-26-4, about GDC-0449-A potent inhibitor of the hedgehog pathway. [Erratum to document cited in CA151:550392]. Author is Robarge, Kirk D.; Brunton, Shirley A.; Castanedo, Georgette M.; Cui, Yong; Dina, Michael S.; Goldsmith, Richard; Gould, Stephen E.; Guichert, Oivin; Gunzner, Janet L.; Halladay, Jason; Jia, Wei; Khojasteh, Cyrus; Koehler, Michael F. T.; Kotkow, Karen; La, Hank; LaLonde, Rebecca L.; Lau, Kevin; Lee, Leslie; Marshall, Derek; Marsters, James C.; Murray, Lesley J.; Qian, Changgeng; Rubin, Lee L.; Salphati, Laurent; Stanley, Mark S.; Stibbard, John H. A.; Sutherlin, Daniel P.; Ubhayaker, Savita; Wang, Shumei; Wong, Susan; Xie, Minli.

On page 1, lines 59 -62 are incorrect; the correct versions of the lines are given. On page 5 lines 220-225 are incorrect; the correct versions of the lines are given. In addition, References 25, citing K Sasai et al., (2006) and 26, citing JT Romer et al., (2004), were erroneous omitted.

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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, Bulletin of the Korean Chemical Society called Microwave-assisted Transition Metal-catalyzed Coupling Approach to Indazole Diversity, Author is Oh, Yoo Jin; Yum, Eul Kgun, which mentions a compound: 651780-02-8, SMILESS is CC(C)(C)OC(=O)N1N=CC2=CC(Br)=CC=C12, Molecular C12H13BrN2O2, Reference of tert-Butyl 5-bromo-1H-indazole-1-carboxylate.

Diverse mono or biaryl substituents were introduced to indazole moieties under microwave-assisted palladium-catalyzed coupling reactions with isomeric bromoindazoles and aryl boronic acids. 1,3-Disubstituted indazoles were also obtained by C=C or C-N coupling of monosubstituted indazoles with functionalized terminal alkenes and arylhalides. Facile introduction of diverse substituents to indazoles showed useful synthetic approach for creating indazole compound library to discover biol. active small mols.

Compound(651780-02-8)Reference of tert-Butyl 5-bromo-1H-indazole-1-carboxylate received a lot of attention, and I have introduced some compounds in other articles, similar to this compound(tert-Butyl 5-bromo-1H-indazole-1-carboxylate), if you are interested, you can check out my other related articles.

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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: 651780-02-8, is researched, Molecular C12H13BrN2O2, about Base-Free Photoredox/Nickel Dual-Catalytic Cross-Coupling of Ammonium Alkylsilicates, the main research direction is photoredox nickel catalyzed coupling ammonium alkylsilicate hetero aryl bromide.SDS of cas: 651780-02-8.

Single-electron transmetalation is recognized as an enabling technol. for the mild transfer of alkyl groups to transition metal catalysts in cross-coupling reactions. Hypercoordinate silicates represent a new and improved class of radical precursors because of their low oxidation potentials and the innocuous byproducts generated upon oxidation Herein, authors report the cross-coupling of secondary and primary ammonium alkylsilicates with (hetero)aryl bromides in good to excellent yields. The base-free conditions have exceptional protic group tolerance on both partners, permitting the cross-coupling of unprotected primary and secondary amines.

Compound(651780-02-8)SDS of cas: 651780-02-8 received a lot of attention, and I have introduced some compounds in other articles, similar to this compound(tert-Butyl 5-bromo-1H-indazole-1-carboxylate), if you are interested, you can check out my other related articles.

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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 Copper(I)-induced bromine-hydrogen exchange of 2,3-dibromoanilines, published in 1984, which mentions a compound: 16588-26-4, Name is 3-Bromo-4-chloronitrobenzene, Molecular C6H3BrClNO2, HPLC of Formula: 16588-26-4.

The Cu(I)-induced Br/H exchange reaction of 2,3-dibromoaniline and 5-substituted 2,3-dibromoanilines in the 2-position has been kinetically studied in aqueous HOAc-HCl medium at 90°. The dehalogenation reaction is 2nd order, 1st in both substrate and Cu+, and may be interpreted as a reductive substitution, composed of two 1-electron steps. The 2,3-dibromophenol was only qual. examined but gave similar results.

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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: 651780-02-8, is researched, SMILESS is CC(C)(C)OC(=O)N1N=CC2=CC(Br)=CC=C12, Molecular C12H13BrN2O2Journal, Article, Research Support, Non-U.S. Gov’t, Organic Letters called Fluorination of Boronic Acids Mediated by Silver(I) Triflate, Author is Furuya, Takeru; Ritter, Tobias, the main research direction is fluoroarene preparation; fluorination boronic acid aryl alkenyl silver mediated regiospecific; silver mediated regiospecific fluorination boronic acid aryl alkenyl.Name: tert-Butyl 5-bromo-1H-indazole-1-carboxylate.

A regiospecific Ag-mediated fluorination reaction of aryl- and alkenylboronic acids and esters is reported. The fluorination reaction uses com. available reagents, does not require the addition of exogenous ligands, and can be performed on a multigram scale. This report discloses the first practical reaction sequence from arylboronic acid to aryl fluorides.

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Application In Synthesis of 3-Bromo-4-chloronitrobenzene. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 3-Bromo-4-chloronitrobenzene, is researched, Molecular C6H3BrClNO2, CAS is 16588-26-4, about Acid- and base-dependent hydrolysis of N-(sulfonatooxy)-3-bromoacetanilide: involvement of N-(3-bromophenyl)hydroxylamine O-sulfonate. Author is Novak, Michael; Rovin, Lise H.; Pelecanou, Maria; Mulero, Julio J.; Lagerman, Robert K..

The title compound (I) undergoes hydrolysis at 80° and pH 1.0-8.0 by acid- and base-dependent processes and by an uncatalyzed path. The uncatalyzed reaction exhibits the same characteristics as the uncatalyzed N-O bond-cleavage reactions of the more reactive N-(sulfonatooxy)acetanilides. The pH-dependent paths involve the hydrolysis of I to form N-(3-bromophenyl)hydroxylamine O-sulfonate (II). II cannot be directly detected under the conditions of this study, but its existence can be inferred from product study and trapping data. Although II undergoes decomposition entirely by heterolytic N-O bond cleavage to yield m-BrC6H4N+H (III), a less reactive analog of II, i.e., N-(3-bromophenyl)-O-pivaloylhydroxylamine (IV), apparently undergoes competitive homolytic and heterolytic N-O bond cleavage to yield both m-NHC6H4Br radical and III. Both II and IV serve as models for certain suspected carcinogenic metabolites of polycyclic aromatic amines and amides.

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Recommanded Product: tert-Butyl 5-bromo-1H-indazole-1-carboxylate. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: tert-Butyl 5-bromo-1H-indazole-1-carboxylate, is researched, Molecular C12H13BrN2O2, CAS is 651780-02-8, about Discovery of inhibitors of plasminogen activator inhibitor-1: Structure-activity study of 5-nitro-2-phenoxybenzoic acid derivatives. Author is Pandya, Vrajesh; Jain, Mukul; Chakrabarti, Ganes; Soni, Hitesh; Parmar, Bhavesh; Chaugule, Balaji; Patel, Jigar; Joshi, Jignesh; Joshi, Nirav; Rath, Akshyaya; Raviya, Mehul; Shaikh, Mubeen; Sairam, Kalapatapu V. V. M.; Patel, Harilal; Patel, Pankaj.

Two novel series of 5-nitro-2-phenoxybenzoic acid derivatives are designed as potent PAI-1 inhibitors using hybridization and conformational restriction strategy in the tiplaxtinin and piperazine chemo types. The lead compounds 5a, 6c, and 6e exhibited potent PAI-1 inhibitory activity and favorable oral bioavailability in the rodents.

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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: 3-Bromo-4-chloronitrobenzene( cas:16588-26-4 ) is researched.Product Details of 16588-26-4.Jorgensen, William L.; Bollini, Mariela; Thakur, Vinay V.; Domaoal, Robert A.; Spasov, Krasimir A.; Anderson, Karen S. published the article 《Efficient Discovery of Potent Anti-HIV Agents Targeting the Tyr181Cys Variant of HIV Reverse Transcriptase》 about this compound( cas:16588-26-4 ) in Journal of the American Chemical Society. Keywords: HIV Reverse Transcriptase inhibitor antiaids pyrimidinyl benzonitrile analog preparation. Let’s learn more about this compound (cas:16588-26-4).

Non-nucleoside reverse transcriptase inhibitors (NNRTIs) that interfere with the replication of human immunodeficiency virus (HIV) are being pursued with guidance from mol. modeling including free-energy perturbation (FEP) calculations for protein-inhibitor binding affinities. The previously reported pyrimidinylphenylamine 1 (I) and its chloro analog 2 are potent anti-HIV agents; they inhibit replication of wild-type HIV-1 in infected human T-cells with EC50 values of 2 and 10 nM, resp. However, they show no activity against viral strains containing the Tyr181Cys (Y181C) mutation in HIV-RT. Modeling indicates that the problem is likely associated with extensive interaction between the dimethylallyloxy substituent and Tyr181. As an alternative, a phenoxy group is computed to be oriented in a manner diminishing the contact with Tyr181. However, this replacement leads to a roughly 1000-fold loss of activity for 3 (2.5 μM). The present report details the efficient, computationally driven evolution of 3 to novel NNRTIs with sub-10 nM potency toward both wild-type HIV-1 and Y181C-containing variants. The critical contributors were FEP substituent scans for the phenoxy and pyrimidine rings and recognition of potential benefits of addition of a cyanovinyl group to the phenoxy ring.

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