Author: Jessica.F

Hossain, Elius Md; Guo, Zhifang; Wang, Jun; Deacon, Glen B.; Junk, Peter C.; Diether, Dominic; Anwander, Reiner published an article in 2022. The article was titled 《η6-Arene(halogenidoaluminato)lanthanoid(III) Complexes: Synthesis, Characterization and Catalytic Activity for Isoprene Polymerization》, and you may find the article in European Journal of Inorganic Chemistry.Recommanded Product: 1,2-Diiodoethane The information in the text is summarized as follows:

η6-Arene(iodido-/bromido-aluminato)lanthanoid(III) complexes, [Ln(η6-C6H5Me)(AlI4)3] [Ln = La (1), Ce (2), Nd (3), (Gd) (4); C6H5Me = toluene], [Ln(η6-C6H3Me3-1,3,5)(AlI4)3] [Ln = La (5), Ce (6), Pr (7), Nd (8), Sm (9), Gd (10); C6H3Me3-1,3,5 = mesitylene], and [Ln(η6-C6H5Me)(AlBr4)3] [Ln = La (11), Nd (12), Sm (13)] were prepared by reactions of aluminum triiodide or aluminum tribromide with the corresponding lanthanoid metals and 1,2-diiodoethane or 1,2-dibromoethane in an arene (toluene or mesitylene) solution (molar ratio : 6 : 2 : 3). The first x-ray crystal structures of arene(iodidoaluminato)lanthanoid(III) complexes are reported. The lanthanoid atom is coordinated by an η6-arene and three chelating κ(I, I’)-tetraiodidoaluminato ligands. The tetrabromidoaluminate complexes have similar structures. The precatalyst 3 was treated with AlR3 (R = Me or iBu) to give [Nd(η6-C6H5Me)(AlI3R)3] species in situ, which were then tested for catalytic activity towards isoprene polymerization Although the resulting polyisoprene had a desirable high cis-1,4 content, the catalyst performance was well below known best performing systems and indicates that iodidoaluminates are the least favorable of the halogenidoaluminatolanthanoid(III) complexes. In the part of experimental materials, we found many familiar compounds, such as 1,2-Diiodoethane(cas: 624-73-7Recommanded Product: 1,2-Diiodoethane)

1,2-Diiodoethane(cas: 624-73-7) is one of organic iodides. Organic iodides are used in veterinary products (Organic Iodide Powder) as a nutritional source of iodine. In the chemical industry, alkyl iodides serve as excellent alkylating agents and, specifically, methyl iodide is used as a methylating agent in the synthesis of various pharmaceutical drugs. Oceanic alkyl iodides are believed to be the principal source of atmospheric iodine.Recommanded Product: 1,2-Diiodoethane

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

In 2022,Sukowski, Verena; van Borselen, Manuela; Mathew, Simon; Fernandez-Ibanez, M. Angeles published an article in Angewandte Chemie, International Edition. The title of the article was 《S,O-Ligand Promoted meta-C-H Arylation of Anisole Derivatives via Palladium/Norbornene Catalysis》.Computed Properties of C6H4ClI The author mentioned the following in the article:

Here, a new catalytic system based on palladium/norbornene and an S,O-ligand for the meta-C-H arylation of aryl ethers that significantly outperforms previously reported systems has been developed. The unique ability of this system to employ alkoxyarene substrates bearing electron donating and withdrawing substituents is demonstrated. Addnl., ortho-substituted aryl ethers are well tolerated, overcoming the “”ortho constraint””, which is the necessity to have a meta-substituent on the alkoxyarene to achieve high reaction efficiency, by enlisting novel norbornene mediators. Remarkably, for the first time the monoarylation of alkoxyarenes is achieved efficiently enabling the subsequent introduction of a second, different aryl coupling partner to rapidly furnish unsym. terphenyls. Further insight into the reaction mechanism was achieved by isolation and characterization of some Pd-complexes-before and after meta C-H activation-prior to evaluation of their resp. catalytic activities. The results came from multiple reactions, including the reaction of 1-Chloro-3-iodobenzene(cas: 625-99-0Computed Properties of C6H4ClI)

1-Chloro-3-iodobenzene(cas: 625-99-0) belongs to organic iodides. The carbon-iodine bond is weaker than other carbon-halogen bonds due to the poor electronegative nature of the iodine atom. In general, organic iodides are light-sensitive and turn yellow during storage, owing to the formation of iodine.Computed Properties of C6H4ClI

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

In 2022,Mansoor Al Sarraf, Ahmad Azhar; H. Alsultany, Forat; H. Mahmoud, Zaid; S. Shafik, Shafik; I. Al, Zuhair; Sajjadi, Ahmad published an article in Synthetic Communications. The title of the article was 《Magnetic nanoparticles supported zinc (II) complex (Fe3O4@SiO2-Imine/Thio-Zn(OAc)2): a green and efficient magnetically reusable zinc nanocatalyst for synthesis of nitriles via cyanation of aryl iodides》.Product Details of 15854-87-2 The author mentioned the following in the article:

Herein we introduce a novel and reusable nanomagnetic copper catalyst (Fe3O4@SiO2-Imine/Thio-Zn(OAc)2) constructed by immobilizing Zn (II) complex on the surface of magnetic nanoparticles functionalized with Imine/Thio group. The structure of the as-constructed Fe3O4@SiO2-Imine/Thio-Zn(OAc)2 nanomaterial was well analyzed by a number of spectroscopic techniques including: FT-IR, SEM, TEM, EDX, XRD, VSM, AAS and ICP-OES. Exptl. studies have well revealed that Fe3O4@SiO2-Imine/Thio-Zn(OAc)2 nanomaterial is an ecofriendly and efficient nanocatalyst for synthesis of synthesis of nitriles via cyanation of aryl iodides. The grafting of the zinc catalyst to the surface of magnetic nanoparticles has increased the catalytic activity of the material and also simplified catalyst recovery from the reaction mixture by an external magnet. The Fe3O4@SiO2-Imine/Thio-Zn(OAc)2 nanocatalyst was readily recovered by simple magnetic decantation and can be reused seven cycles without considerable loss in catalytic activity. In the experimental materials used by the author, we found 4-Iodopyridine(cas: 15854-87-2Product Details of 15854-87-2)

4-Iodopyridine(cas: 15854-87-2) is used as a reagent in the synthesis of indazolylamides as glucocorticoid receptor agonists. 4-Iodopyridine is a halogenated heterocycle that is a building block for proteomics research.Product Details of 15854-87-2

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Application of 301673-14-3In 2022 ,《Enantioselective Reductive N-Cyclization-Alkylation Reaction of Alkene-Tethered Oxime Esters and Alkyl Iodides by Nickel Catalysis》 appeared in Journal of the American Chemical Society. The author of the article were Jia, Xue-Gong; Yao, Qi-Wei; Shu, Xing-Zhong. The article conveys some information:

Asym. cross-electrophile difunctionalization of tethered alkenes has become a powerful tool for the production of chiral cyclic scaffolds; however, the current studies all focus on carbocyclization reactions. Herein, an N-cyclization-alkylation reaction and showcase on the potential of heterocyclization for accessing new enantioenriched cyclic architectures is reported. This work establishes a new approach for enantioselective aza-Heck cyclization/cross-coupling sequence, which remains a long-standing unsolved challenge for the synthetic community. The reaction proceeds with primary, secondary, and a few tertiary alkyl iodides, and the use of newly defined ligands gave highly enantioenriched pyrrolines with improved mol. diversity under mild conditions. The presence of imine functionality allows for further structural variations. In the experiment, the researchers used many compounds, for example, tert-Butyl 4-iodopiperidine-1-carboxylate(cas: 301673-14-3Application of 301673-14-3)

tert-Butyl 4-iodopiperidine-1-carboxylate(cas: 301673-14-3) is one of organic iodides. The carbon-iodine bond is weaker than other carbon-halogen bonds due to the poor electronegative nature of the iodine atom. In general, organic iodides are light-sensitive and turn yellow during storage, owing to the formation of iodine. Organic iodides can be alkyl, alkenyl, or alkynyl, and all of them are very reactive toward with many kinds of nucleophiles.Application of 301673-14-3

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Category: iodides-buliding-blocksIn 2019 ,《Synthesis and exploration of in-silico and in-vitro α-glucosidase and α-amylase inhibitory activities of N-(3-acetyl-2-methyl-4-phenylquinolin-6-yl)arylamides》 appeared in Journal of the Iranian Chemical Society. The author of the article were Kumar, L. Jyothish; Suresh, Y.; Rajasekaran, R.; Reddy, S. Rajeswara; Vijayakumar, V.. The article conveys some information:

Nitro function of 1-(2-methyl-6-nitro-4-phenylquinolin-3-yl)ethanone was converted into amine by grinding it with zinc dust and ammonium chloride which in turn successfully converted into the N-(3-acetyl-2-methyl-4-phenylquinolin-6-yl)arylamides I [R = H, 3-F, 2-O2N, etc.] by treating it with benzoic acids using coupling reagents such as EDC, HATU and DCC. The compounds I were found to afford excellent yields with HATU, moderate in EDC and very less in DCC and hence HATU was considered as a suitable coupling reagent. All the synthesized compounds I were evaluated for their in-silico and in-vitro α-glucosidase and α-amylase inhibitory activity using acarbose as standard to treat type II diabetes and all compounds showed pos. results by in-silico and in-vitro α-amylase inhibition assay. Among the tested compounds, compounds I [R = 2-I, 2-O2N] in α-glucosidase as well as in α-amylase were found to have least binding energy value and form more stable ligand-receptor complex. In addition, the compounds I [R = 2-I, 2-O2N] exhibited 56.90 ± 0.77% and 59.46 ± 0.61% of the higher potent α-glucosidase inhibitory activity with IC50 values 171.75 ± 3.95 μmol/mL and 171.67 ± 1.57 μmol/mL significantly (p < 0.05) compared to remaining seven test samples. And similarly, the compound I [R = 2-I, 2-O2N] possessed α-amylase inhibitory activity at a concentration of 100 μg/mL (55.42 ± 0.42% and 55.42 ± 1.14%) with IC50 values 138.92 ± 4.44 μmol/mL and 158.78 ± 2.34 μmol/mL. In the experiment, the researchers used 2-Iodobenzoic acid(cas: 88-67-5Category: iodides-buliding-blocks)

2-Iodobenzoic acid(cas: 88-67-5) belongs to organic iodides. Generally organic iodides can be divided into two classes of alkyl iodides and aryl iodides. Category: iodides-buliding-blocks Typical reactions of alkyl iodides include nucleophilic substitution, elimination, reduction, and the formation of organometallics.

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Reference of 1,2-DiiodoethaneIn 2018 ,《Radical Anions from Urea-type Carbonyls: Radical Cyclizations and Cyclization Cascades》 appeared in Angewandte Chemie, International Edition. The author of the article were Huang, Huan-Ming; McDouall, Joseph J. W.; Procter, David J.. The article conveys some information:

Radical anions generated from urea carbonyls by reductive electron transfer are exploited in carbon-carbon bond formation. New radical cyclizations of urea radical anions deliver complex nitrogen heterocycles and, depending upon the proton source used in the reactions, a chemoselective switch between reaction pathways can deliver two heterobicyclic scaffolds. A computational study has been used to investigate the selectivity of the urea radical processes. Furthermore, radical cyclization cascades involving urea radical anions deliver unusual spirocyclic aminal architectures. After reading the article, we found that the author used 1,2-Diiodoethane(cas: 624-73-7Reference of 1,2-Diiodoethane)

1,2-Diiodoethane(cas: 624-73-7) is one of organic iodides. The carbon-iodine bond is weaker than other carbon-halogen bonds due to the poor electronegative nature of the iodine atom. In general, organic iodides are light-sensitive and turn yellow during storage, owing to the formation of iodine. Organic iodides can be alkyl, alkenyl, or alkynyl, and all of them are very reactive toward with many kinds of nucleophiles.Reference of 1,2-Diiodoethane

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Quality Control of 1-Bromo-3-iodobenzeneIn 2021 ,《Hypsochromic Shift of Multiple-Resonance-Induced Thermally Activated Delayed Fluorescence by Oxygen Atom Incorporation》 was published in Angewandte Chemie, International Edition. The article was written by Tanaka, Hiroyuki; Oda, Susumu; Ricci, Gaetano; Gotoh, Hajime; Tabata, Keita; Kawasumi, Ryosuke; Beljonne, David; Olivier, Yoann; Hatakeyama, Takuji. The article contains the following contents:

Herein, we reported an ultrapure blue multiple-resonance-induced thermally activated delayed fluorescence (MR-TADF) material (ν-DABNA-O-Me) with a high photoluminescence quantum yield and a large rate constant for reverse intersystem crossing. Because of restricted π-conjugation of the HOMO rather than the LUMO induced by oxygen atom incorporation, ν-DABNA-O-Me shows a hypsochromic shift compared to the parent MR-TADF material (ν-DABNA). An organic light-emitting diode based on this material exhibits an emission at 465 nm, with a small full-width at half-maximum of 23 nm and Commission Internationale de l’Eclairage coordinates of (0.13, 0.10), and a high maximum external quantum efficiency of 29.5%. Moreover, ν-DABNA-O-Me facilitates a drastically improved efficiency roll-off and a device lifetime compared to ν-DABNA, which demonstrates significant potential of the oxygen atom incorporation strategy. In the experiment, the researchers used many compounds, for example, 1-Bromo-3-iodobenzene(cas: 591-18-4Quality Control of 1-Bromo-3-iodobenzene)

1-Bromo-3-iodobenzene(cas: 591-18-4) has been used in the preparation of 1-(3′-bromophenyl)-3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodec-1-ene and 1-(3′-bromophenyl)-3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooct-1-ene.Quality Control of 1-Bromo-3-iodobenzene

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

《Cu-Catalyzed Hydrocarbonylative C-C Coupling of Terminal Alkynes with Alkyl Iodides》 was written by Cheng, Li-Jie; Mankad, Neal P.. Recommanded Product: 301673-14-3This research focused onunsym dialkyl ketone regioselective synthesis; copper catalyzed hydrocarbonylative coupling terminal alkyne unactivated alkyl iodide. The article conveys some information:

A Cu-catalyzed hydrocarbonylative C-C coupling of terminal alkynes with unactivated alkyl iodides has been developed, enabling highly chemo- and regioselective synthesis of unsym. dialkyl ketones. A variety of functional groups are tolerated, and both primary and secondary alkyl iodides react well. An autotandem sequence of two Cu-catalyzed processes is proposed: first hydrocarbonylative coupling of the alkyne and the alkyl iodide, followed by reduction of the intermediate unsaturated ketone to the saturated product. Mechanistic experiments indicate that an alkenylcopper intermediate activates the alkyl iodide by single electron transfer to enable a radical carbonylation pathway. In the experiment, the researchers used many compounds, for example, tert-Butyl 4-iodopiperidine-1-carboxylate(cas: 301673-14-3Recommanded Product: 301673-14-3)

tert-Butyl 4-iodopiperidine-1-carboxylate(cas: 301673-14-3) is one of organic iodides. The carbon-iodine bond is weaker than other carbon-halogen bonds due to the poor electronegative nature of the iodine atom. In general, organic iodides are light-sensitive and turn yellow during storage, owing to the formation of iodine. Organic iodides can be alkyl, alkenyl, or alkynyl, and all of them are very reactive toward with many kinds of nucleophiles.Recommanded Product: 301673-14-3

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

In 2015,Zhang, Wei; Dourado, Daniel F. A. R.; Mannervik, Bengt published 《Evolution of the active site of human glutathione transferase A2-2 for enhanced activity with dietary isothiocyanates》.Biochimica et Biophysica Acta, General Subjects published the findings.Quality Control of 1,2-Diiodoethane The information in the text is summarized as follows:

Organic isothiocyanates (ITCs) are produced by plants, in which they are released from glucosinolates by myrosinase. ITCs are generally toxic and serve as a chem. defense against herbivorous insects and against infections by microorganisms. In mammalian tissues subtoxic concentrations of ITCs can provide protective effects against cancer and other diseases partially by induction of glutathione transferases (GSTs) and other detoxication enzymes. Thus, human consumption of edible plants rich in ITCs is presumed to provide health benefits. ITCs react with intracellular glutathione to form dithiocarbamates, catalyzed by GSTs. Formation of glutathione conjugates is central to the biotransformation of ITCs and leads to a route for their excretion. Clearly, the emergence of ITC conjugating activity in GSTs is essential from the biol. and evolutionary perspective. In the present investigation an active-site-focused mutant library of GST A2-2 has been screened for enzyme variants with enhanced ITC activity. Significantly superior activities were found in 34 of the approx. 2000 mutants analyzed, and the majority of the superior GSTs featured His and Gly residues in one of the three active-site positions subjected to mutagenesis. We explored the propensity of GSTs to obtain altered substrate selectivity and moreover, identified a specific pattern of mutagenesis in GST for enhanced PEITC detoxification, which may play an important role in the evolution of adaptive responses in organisms subjected to ITCs. The facile acquisition of enhanced ITC activity demonstrates that this important detoxication function can be promoted by numerous evolutionary trajectories in sequence space. The results came from multiple reactions, including the reaction of 1,2-Diiodoethane(cas: 624-73-7Quality Control of 1,2-Diiodoethane)

1,2-Diiodoethane(cas: 624-73-7) is one of organic iodides. Alkyl iodides react at a faster rate than alkyl fluorides due to the weak C-I bond. Iodo alkanes participate in a variety of organic synthesis reactions, which include the Simmons–Smith reaction (cyclopropanation using iodomethane), Williamson ether synthesis, Wittig reaction, Grignard reaction, alkyl coupling reactions, and Wurtz reaction.Quality Control of 1,2-Diiodoethane

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

In 2016,Anka-Lufford, Lukiana L.; Huihui, Kierra M. M.; Gower, Nicholas J.; Ackerman, Laura K. G.; Weix, Daniel J. published 《Nickel-Catalyzed Cross-Electrophile Coupling with Organic Reductants in Non-Amide Solvents》.Chemistry – A European Journal published the findings.Recommanded Product: tert-Butyl 4-iodopiperidine-1-carboxylate The information in the text is summarized as follows:

Cross-electrophile coupling of aryl halides with alkyl halides has thus far been primarily conducted with stoichiometric metallic reductants in amide solvents. This report demonstrates that the use of tetrakis(dimethylamino)ethylene (TDAE) as an organic reductant enables the use of non-amide solvents, such as acetonitrile or propylene oxide, for the coupling of benzyl chlorides and alkyl iodides with aryl halides. Furthermore, these conditions work for several electron-poor heterocycles that are easily reduced by manganese. Finally, the authors demonstrate that TDAE addition can be used as a control element to ‘hold’ a reaction without diminishing yield or catalyst activity. The experimental part of the paper was very detailed, including the reaction process of tert-Butyl 4-iodopiperidine-1-carboxylate(cas: 301673-14-3Recommanded Product: tert-Butyl 4-iodopiperidine-1-carboxylate)

tert-Butyl 4-iodopiperidine-1-carboxylate(cas: 301673-14-3) is one of organic iodides. Alkyl iodides react at a faster rate than alkyl fluorides due to the weak C-I bond. Iodo alkanes participate in a variety of organic synthesis reactions, which include the Simmons–Smith reaction (cyclopropanation using iodomethane), Williamson ether synthesis, Wittig reaction, Grignard reaction, alkyl coupling reactions, and Wurtz reaction.Recommanded Product: tert-Butyl 4-iodopiperidine-1-carboxylate

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com