Tag: M.W:200-300

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, ACS Catalysis called Enantioselective Access to γ-All-Carbon Quaternary Center-Containing Cyclohexanones by Palladium-Catalyzed Desymmetrization, Author is Wei, Qiang; Cai, Jinhui; Hu, Xu-Dong; Zhao, Jing; Cong, Hengjiang; Zheng, Chao; Liu, Wen-Bo, which mentions a compound: 40400-13-3, SMILESS is BrCC1=C(I)C=CC=C1, Molecular C7H6BrI, Recommanded Product: 1-(Bromomethyl)-2-iodobenzene.

An efficient desymmetrization of γ-quaternary carbon-containing cyclohexanones using readily available Pd/(S)-tBuPhox and benzyl amine as dual catalysts is reported. The development of the reaction, exploration on the substrate scope, and studies on the reaction mechanism. The intramol. coupling reaction leads to the formation of bicyclo[3.3.1]nonanones with a quaternary carbon bridgehead in synthetically useful yields (up to 98%) with high enantioselectivities (up to 98:2 er) and good functional group tolerance (>30 examples). Significantly, aryl and alkenyl bromides, as well as less reactive triflates are all compatible substrates for this process. The synthetic versatility of this strategy is demonstrated by scale-up synthesis and diverse transformations of the products into valuable building blocks, including quaternary center-containing dihydronaphthalenes, ring-fused indole and lactone, tetralones, and 6,6,5-tricycles. Mechanistic studies by computational calculations provide insights into the role of benzyl amine in accelerating the reaction rate and enhancing the enantioselectivities.

As far as I know, this compound(40400-13-3)Recommanded Product: 1-(Bromomethyl)-2-iodobenzene can be applied in many ways, which is helpful for the development of experiments. Therefore many people are doing relevant researches.

Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

COA of Formula: C7H6BrI. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1-(Bromomethyl)-2-iodobenzene, is researched, Molecular C7H6BrI, CAS is 40400-13-3, about Accelerating Biphasic Biocatalysis through New Process Windows. Author is Huynh, Florence; Tailby, Matthew; Finniear, Aled; Stephens, Kevin; Allemann, Rudolf K.; Wirth, Thomas.

Process intensification through continuous flow reactions has increased the production rates of fine chems. and pharmaceuticals. Catalytic reactions are accelerated through an unconventional and unprecedented use of a high-performance liquid/liquid counter current chromatog. system. Product generation is significantly faster than in traditional batch reactors or in segmented flow systems, which is exemplified through stereoselective phase-transfer catalyzed reactions. This methodol. also enables the intensification of biocatalysis as demonstrated in high yield esterifications and in the sesquiterpene cyclase-catalyzed synthesis of sesquiterpenes from farnesyl diphosphate as high-value natural products with applications in medicine, agriculture and the fragrance industry. Product release in sesquiterpene synthases is rate limiting due to the hydrophobic nature of sesquiterpenes, but a biphasic system exposed to centrifugal forces allows for highly efficient reactions.

As far as I know, this compound(40400-13-3)COA of Formula: C7H6BrI can be applied in many ways, which is helpful for the development of experiments. Therefore many people are doing relevant researches.

Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

HPLC of Formula: 40400-13-3. 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: 1-(Bromomethyl)-2-iodobenzene, is researched, Molecular C7H6BrI, CAS is 40400-13-3, about Difluorocarbene-derived trifluoromethylselenolation of benzyl halides.

Cu-Promoted difluorocarbene-derived trifluoromethylselenolation of benzyl halides RX [R = C6H5(CH2)2, naphthalen-2-ylmethyl, (3,4-dichlorophenyl)methyl, etc.; X = Cl, Br] with the Ph3P+CF2CO2-/Se/F- system is described. Three new carbon-heteroatom bonds, a Se-CF2 bond, SeCF2-F bond, and C-SeCF3 bond, were sequentially formed in the reaction. This work represents the first trifluoromethylselenolation protocol involving an external fluoride for the generation of the key intermediate, CF3Se- anion.

As far as I know, this compound(40400-13-3)HPLC of Formula: 40400-13-3 can be applied in many ways, which is helpful for the development of experiments. Therefore many people are doing relevant researches.

Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

Sakai, Takayuki; Matsuo, Yoshiyuki; Okuda, Kensuke; Hirota, Kiichi; Tsuji, Mieko; Hirayama, Tasuku; Nagasawa, Hideko published an article about the compound: 1-(Bromomethyl)-2-iodobenzene( cas:40400-13-3,SMILESS:BrCC1=C(I)C=CC=C1 ).Category: chiral-phosphine-ligands. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:40400-13-3) through the article.

To develop antitumor drugs capable of targeting energy metabolism in the tumor microenvironment, we produced a series of potent new biguanide derivatives via structural modification of the arylbiguanide scaffold. We then conducted biol. screening using hypoxia inducible factor (HIF)-1- and unfolded protein response (UPR)-dependent reporter assays and selective cytotoxicity assay under low glucose conditions. Homologation studies of aryl-(CH2)n-biguanides (n = 0-6) yielded highly potent derivatives with an appropriate alkylene linker length (n = 5, 6). The o-chlorophenyl derivative 7l (n = 5) indicated the most potent inhibitory effects on HIF-1- and UPR-mediated transcriptional activation (IC50; 1.0 ± 0.1 ΜM, 7.5 ± 0.1 ΜM, resp.) and exhibited selective cytotoxicity toward HT29 cells under low glucose condition (IC50; 1.9 ± 0.1 ΜM). Addnl., the protein expression of HIF-1α induced by hypoxia and of GRP78 and GRP94 induced by glucose starvation was markedly suppressed by the biguanides, thereby inhibiting angiogenesis. Metabolic flux and fluorescence-activated cell sorting analyses of tumor cells revealed that the biguanides strongly inhibited oxidative phosphorylation and activated compensative glycolysis in the presence of glucose, whereas both were strongly suppressed in the absence of glucose, resulting in cellular energy depletion and apoptosis. These findings suggest that the pleiotropic effects of these biguanides may contribute to more selective and effective killing of cancer cells due to the suppression of various stress adaptation systems in the tumor microenvironment.

There is still a lot of research devoted to this compound(SMILES：BrCC1=C(I)C=CC=C1)Category: chiral-phosphine-ligands, and with the development of science, more effects of this compound(40400-13-3) can be discovered.

Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

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, Journal of Organic Chemistry called Metal-Free Addition of Benzyl Halides to Aldehydes Using Super Electron Donors: Access to 3,4-Dihydroisocoumarins and 1,2-Diarylethanols, Author is Spitz, Cedric; Matteudi, Melanie; Tintori, Guillaume; Broggi, Julie; Terme, Thierry; Vanelle, Patrice, which mentions a compound: 40400-13-3, SMILESS is BrCC1=C(I)C=CC=C1, Molecular C7H6BrI, Synthetic Route of C7H6BrI.

We report here the intermol. metal-free addition reaction of functionalized benzyl halides to aldehydes using a super electron donor (SED). The metal-free and mild conditions allowed the formation of 3,4-dihydroisocoumarins and 1,2-diarylethanols with unprecedented functional group tolerance.

There is still a lot of research devoted to this compound(SMILES：BrCC1=C(I)C=CC=C1)Synthetic Route of C7H6BrI, and with the development of science, more effects of this compound(40400-13-3) can be discovered.

Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

Product Details of 40400-13-3. 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: 1-(Bromomethyl)-2-iodobenzene, is researched, Molecular C7H6BrI, CAS is 40400-13-3, about Alkylation-Terminated Catellani Reactions Using Alkyl Carbagermatranes.

The Catellani reaction has received substantial attention because it enables rapid multiple derivatization on aromatics While using alkyl electrophiles to achieve ortho-alkylation was one of the earliest applications of the Catellani reaction, ipso-alkylation-terminated reactions with β-H-containing reactants has not been realized to date. Herein, we report alkylation-terminated Catellani reaction using alkyl carbagermatranes (abbreviated as alkyl-Ge) as nucleophiles. The reactivity of alkyl-Ge and alkyl-B(OH)2 in this reaction is discussed. This approach enables efficient dialkylation with β-H-containing reactants, which was previously inaccessible by Catellani reactions.

From this literature《Alkylation-Terminated Catellani Reactions Using Alkyl Carbagermatranes》,we know some information about this compound(40400-13-3)Product Details of 40400-13-3, but this is not all information, there are many literatures related to this compound(40400-13-3).

Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

Recommanded Product: 40400-13-3. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 1-(Bromomethyl)-2-iodobenzene, is researched, Molecular C7H6BrI, CAS is 40400-13-3, about Enantioselective Rh(II)-Catalyzed Desymmetric Cycloisomerization of Diynes: Constructing Furan-Fused Dihydropiperidines with an Alkyne-Substituted Aza-Quaternary Stereocenter. Author is Wu, Rui; Lu, Jiajun; Cao, Tongxiang; Ma, Jun; Chen, Kai; Zhu, Shifa.

Herein, an enantioselective dirhodium(II)-catalyzed cycloisomerization of diynes R1CCC(R2)(R3)XCH2CCHO (R1 = H, t-Bu, 4-fluorophenyl, tri-Me silyl, etc.; R2 = t-Bu, Ph, 4-cyanophenyl, etc.; R3 = cyclopropyl, Ph, propan-2-yl, etc.; X = NTs, O, C) is achieved by the strategy of desymmetrization, which not only represents a new cycloisomerization reaction of diynes but also constitutes the first Rh(II)-catalyzed asym. intramol. cycloisomerization of 1,6-diynes. This protocol provides a range of valuable furan-fused dihydropiperidine derivatives I with an enantiomerically enriched alkynyl-substituted aza-quaternary stereocenter in high efficiency, complete atom economy, and excellent enantioselectivity (up to 98% ee). Besides, the highly functionalized products could be easily transformed into various synthetically useful building blocks and conjugated with a series of pharmaceutical mols. The mechanism involving a concerted [3+2] cycloaddition/[1,2]-H shift of the Rh(II) carbenoid intermediate was elucidated by DFT calculations and mechanistic studies. More importantly, the first single crystal of alkyne-dirhodium(II) was obtained to show that a η2-coordinating activation of alkynal by dirhodium(II) was involved. Weak hydrogen bondings between the carboxylate ligands and alkynal were found, which probably made the well-defined paddlewheel-like dirhodium(II) distinctive from other metal complexes in catalyzing this transformation. Furthermore, the origin of the enantioselectivity was elucidated by a Rh2(R-PTAD)4-alkyne complex and addnl. calculational studies.

From this literature《Enantioselective Rh(II)-Catalyzed Desymmetric Cycloisomerization of Diynes: Constructing Furan-Fused Dihydropiperidines with an Alkyne-Substituted Aza-Quaternary Stereocenter》,we know some information about this compound(40400-13-3)Recommanded Product: 40400-13-3, but this is not all information, there are many literatures related to this compound(40400-13-3).

Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

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 From 1,2-difunctionalisation to cyanide-transfer cascades – Pd-catalysed cyanosulfenylation of internal (oligo)alkynes, published in 2020, which mentions a compound: 40400-13-3, Name is 1-(Bromomethyl)-2-iodobenzene, Molecular C7H6BrI, Quality Control of 1-(Bromomethyl)-2-iodobenzene.

Internal alkynes substituted by aliphatic or aromatic moieties or by heteroatoms were converted into sulfur-substituted acrylonitrile derivatives Key is the use of Pd catalysis, which allows the addition of aromatic and aliphatic thiocyanates in an intra- and intermol. manner. Substrates with several alkyne units underwent further carbopalladation steps after the initial thiopalladation step, thus generating in a cascade-like fashion an oligoene unit with sulfur at one terminus and the cyano group at the other.

From this literature《From 1,2-difunctionalisation to cyanide-transfer cascades – Pd-catalysed cyanosulfenylation of internal (oligo)alkynes》,we know some information about this compound(40400-13-3)Quality Control of 1-(Bromomethyl)-2-iodobenzene, but this is not all information, there are many literatures related to this compound(40400-13-3).

Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

Name: 1-(Bromomethyl)-2-iodobenzene. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1-(Bromomethyl)-2-iodobenzene, is researched, Molecular C7H6BrI, CAS is 40400-13-3, about Synthesis of Carbocyclic Compounds via a Nickel-Catalyzed Carboiodination Reaction. Author is Marchese, Austin D.; Adrianov, Timur; Kollen, Martin F.; Mirabi, Bijan; Lautens, Mark.

A scalable nickel-catalyzed carboiodination reaction generating 6-membered carbocycles I [R1 = H, 7-Me, 5-F, etc.; R2 = Me, n-Pr, Bn; R3 = CO2Me, CO2Et, CO2t-Bu, CO2Ph; R4 = CO2Me, CO2Et, CO2t-Bu, CO2Ph] was reported. NiI2 and P(OEt)3 as the ligand and reducing agent, provided decorated iodomethyl-tetrahydronaphthalenes I in up to 94% yield. The impact of varying electronic and steric parameters on the reaction were reported and a nonlinear Hammett plot was obtained, supporting a change in rate-determining step from oxidative addition to reductive elimination. Exptl. and DFT studies suggested the malonate group might stabilize a nickel oxidative-addition complex. A variety of heteroatom-containing nucleophiles and medicinally relevant heterocycles were easily incorporated into the products via simple SN2 chem.

From this literature《Synthesis of Carbocyclic Compounds via a Nickel-Catalyzed Carboiodination Reaction》,we know some information about this compound(40400-13-3)Name: 1-(Bromomethyl)-2-iodobenzene, but this is not all information, there are many literatures related to this compound(40400-13-3).

Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

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: 40400-13-3, is researched, Molecular C7H6BrI, about Discovery of Dihydro-1,4-Benzoxazine Carboxamides as Potent and Highly Selective Inhibitors of Sirtuin-1, the main research direction is hydrobenzoxazine carboxamide sirtuin 1 selective inhibitor.Application In Synthesis of 1-(Bromomethyl)-2-iodobenzene.

Sirtuins are signaling hubs orchestrating the cellular response to various stressors with roles in all major civilization diseases. Sirtuins remove acyl groups from lysine residues of proteins, thereby controlling their activity, turnover, and localization. The seven human sirtuins, SirT1-7, are closely related in structure, hindering the development of specific inhibitors. Screening 170,000 compounds, we identify and optimize SirT1-specific benzoxazine inhibitors, Sosbo, which rival the efficiency and surpass the selectivity of selisistat (EX527). The compounds inhibit the deacetylation of p53 in cultured cells, demonstrating their ability to permeate biol. membranes. Kinetic anal. of inhibition and docking studies reveal that the inhibitors bind to a complex of SirT1 and NAD, similar to selisistat. These new SirT1 inhibitors are valuable alternatives to selisistat in biochem. and cell biol. studies. Their greater selectivity may allow the development of better targeted drugs to combat SirT1 activity in diseases such as cancer, Huntington’s chorea, or anorexia.

If you want to learn more about this compound(1-(Bromomethyl)-2-iodobenzene)Application In Synthesis of 1-(Bromomethyl)-2-iodobenzene, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(40400-13-3).

Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate