Category: iodides-buliding-blocks

Computed Properties of C10H7IIn 2022 ,《Cobalt-catalyzed carbonylative synthesis of free (NH)-tetrahydro-β-carbolinones from tryptamine derivatives》 was published in Organic Chemistry Frontiers. The article was written by Zhu, Yiwen; Guo, Binghu; Gao, Shenkui; Ying, Jun; Wu, Xiao-Feng. The article contains the following contents:

A new cobalt-catalyzed carbonylative synthesis of free (NH)-tetrahydro-βcarbolinones I [R1 = H, 7-Me, 6-MeO, etc.; R2 = H, Me, Bn, etc.] from tryptamine derivatives II was developed. This reaction employs a cobalt(II) salt as the non-noble catalyst with TFBen as the CO source, and a variety of free (NH)-tetrahydro-βcarbolinones I were produced in good yields using a traceless directing group strategy. Furthermore, late-stage modifications of several bioactive mols. (sorbic acid, probenecid and febuxostat) could also be realized. The oxidant, silver salt, could be recycled and reused. In the part of experimental materials, we found many familiar compounds, such as 1-Iodonaphthalene(cas: 90-14-2Computed Properties of C10H7I)

1-Iodonaphthalene(cas: 90-14-2) 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.Computed Properties of C10H7I

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

COA of Formula: C3H9IOSIn 2020 ,《Imidazol-5-one as an Acceptor in Donor-Acceptor Cyclopropanes: Cycloaddition with Aldehydes》 was published in Organic Letters. The article was written by Mikhaylov, Andrey A.; Kuleshov, Andrei V.; Solyev, Pavel N.; Korlyukov, Alexander A.; Dorovatovskii, Pavel V.; Mineev, Konstantin S.; Baranov, Mikhail S.. The article contains the following contents:

Spiro[imidazol-5-one-4,1′-cyclopropanes] behave as donor-acceptor (D-A) cyclopropanes in a formal cycloaddition reaction with aldehydes. The activation of such type of cyclopropanes is achieved with an equivalent of Bronsted acid. The reaction proceeds in high yields of 51-92% and demonstrates moderate diastereoselectivity at the quaternary stereocenter, which is determined by the electron-donating nature of the aldehyde partner. The ease of separation of stereoisomers allowed the creation of a library of 44 spiroannulated tetrahydrofurans with various substitution patterns. After reading the article, we found that the author used Trimethylsulfoxonium iodide(cas: 1774-47-6COA of Formula: C3H9IOS)

Trimethylsulfoxonium iodide(cas: 1774-47-6) reacts with sodium hydride to prepare dimethyloxosulfonium methylide, which is used as a methylene-transfer reagent in synthetic chemistry. It is used to prepare ylide, which reacts with carbonyl compounds to get epoxides. Further, it reacts with alfa,beta-unsaturated esters to get cyclopropyl esters.COA of Formula: C3H9IOS

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

Recommanded Product: 626-02-8In 2021 ,《Breathing Room: Restoring Free Rotation in a Schiff-Base Macrocycle through Endoperoxide Formation》 appeared in Organic Letters. The author of the article were Chaudhry, Mohammad T.; Ota, Seiya; Lelj, Francesco; MacLachlan, Mark J.. The article conveys some information:

Macrocyclization is a popular method for preparing hosts, but it can have unintended effects, like limiting mol. free rotation to yield mixtures of inseparable isomers. We report a [3 + 3] Schiff-base macrocycle I (1) with anthracene bridges. Restricted rotation about the phenyl-anthracene bonds leads 1 to exist as a mixture of conformations (1Cs and 1C3v). Macrocycle 1 was photooxidized to tris(endoperoxide) adduct 4, alleviating restricted rotation. These results were supported by spectroscopic, structural, and computational analyses. The results came from multiple reactions, including the reaction of 3-Iodophenol(cas: 626-02-8Recommanded Product: 626-02-8)

3-Iodophenol(cas: 626-02-8) belongs to organic iodides. Generally organic iodides can be divided into two classes of alkyl iodides and aryl iodides. Typical reactions of alkyl iodides include nucleophilic substitution, elimination, reduction, and the formation of organometallics.Recommanded Product: 626-02-8

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

Computed Properties of C2H4I2In 2022 ,《Optimizing functional layer of cation exchange membrane by three-dimensional cross-linking quaternization for enhancing monovalent selectivity》 appeared in Chinese Chemical Letters. The author of the article were Pan, Jiefeng; Zhao, Lei; Yu, Xiaohong; Dong, Jiajing; Liu, Lingling; Zhao, Xueting; Liu, Lifen. The article conveys some information:

Monovalent cation perm-selective membrane (MCPMs) allow fast and selective transport of monovalent cations, and they are promisingly required for extraction of special ions, such as lithium extraction, acid recovery and sea salt production Herein, we report a novel strategy to design the critical functional layers of MCPMs with both space charge repulsion and cross-linked dense screenability. The in-situ deposition polymerization of pyrrole was carried out on the surface of sulfonated polyphenyl sulfone (SPPSU) substrate membrane followed by crosslinking quaternization of the polypyrrole (PPy) layer with diiodinated functional mols., thus, the membrane obtained more excellent selective permeability and stable transport properties of monovalent cations. It confirms that the designed PPy layers with charged surface and crosslinking structure improved the hydrophilicity, facilitated cation transport and increased ion flux. Meanwhile, for the dense PPy layer, the charged cross-linked structure endowed the functional layer with the synergistic characteristics of Donnan exclusion and pore size sieving for pos. charged ions, which improved the monovalent cation perm-selectivity of the membranes. At a constant c.d. of 5.1 mA/cm2, the optimal membrane exhibited superior perm-selectivity (PNaMg = 2.07) and monovalent cation flux (JNa+ = 2.80 x 10-8 (mol cm-2 s-1)) during electrodialysis. After reading the article, we found that the author used 1,2-Diiodoethane(cas: 624-73-7Computed Properties of C2H4I2)

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.Computed Properties of C2H4I2

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

Related Products of 625-99-0In 2020 ,《Palladium catalysed C-H arylation of pyrenes: access to a new class of exfoliating agents for water-based graphene dispersions》 appeared in Chemical Science. The author of the article were Just-Baringo, Xavier; Shin, Yuyoung; Panigrahi, Adyasha; Zarattini, Marco; Nagyte, Vaiva; Zhao, Ling; Kostarelos, Kostas; Casiraghi, Cinzia; Larrosa, Igor. The article conveys some information:

A new and diverse family of pyrene derivatives was synthesized via palladium-catalyzed C-H ortho-arylation of pyrene-1-carboxylic acid. The strategy afforded easy access to a broad scope of 2-substituted and 1,2-disubstituted pyrenes. The C1-substituent was easily transformed into carboxylic acid, iodide, alkynyl, aryl or alkyl functionalities. This approach gives access to arylated pyrene ammonium salts, which outperformed their non-arylated parent compound during aqueous Liquid Phase Exfoliation (LPE) of graphite and compare favorably to state-of-the-art sodium pyrene-1-sulfonate PS1. This allowed the production of concentrated and stable suspensions of graphene flakes in water. The results came from multiple reactions, including the reaction of 1-Chloro-3-iodobenzene(cas: 625-99-0Related Products of 625-99-0)

1-Chloro-3-iodobenzene(cas: 625-99-0) belongs to organic iodides. Alkyl iodides react at a faster rate than alkyl fluorides due to the weak C-I bond.Related Products of 625-99-0Iodo 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.

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

Quality Control of 4-Iodobenzoic acidIn 2021 ,《A Three-Component Ugi-Type Reaction of N-Carbamoyl Imines Enables a Broad Scope Primary α-Amino 1,3,4-Oxadiazole Synthesis》 appeared in Organic Letters. The author of the article were Matheau-Raven, Daniel; Boulter, Elizabeth; Rogova, Tatiana; Dixon, Darren J.. The article conveys some information:

A general synthesis of N-protected primary α-amino 1,3,4-oxadiazoles from N-carbamoyl imines, N-isocyaniminotriphenylphosphorane (NIITP) and carboxylic acids was described. Featuring an isocyanide addition reaction with N-carbamoyl imines, this efficient three-component Ugi-type reaction was found to be broad in scope with respect to imine and carboxylic acid coupling partners. Furthermore, versatility of this method was demonstrated by α-amino 1,2,4-triazole synthesis, late-stage functionalization of seven drug mols. and five divergent derivatizations of a primary α-amino 1,3,4-oxadiazole. The results came from multiple reactions, including the reaction of 4-Iodobenzoic acid(cas: 619-58-9Quality Control of 4-Iodobenzoic acid)

4-Iodobenzoic acid(cas: 619-58-9) belongs to 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.Quality Control of 4-Iodobenzoic acid

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

In 2019,Organic Letters included an article by Tukhtaev, Hamidulla B.; Ivanov, Konstantin L.; Bezzubov, Stanislav I.; Cheshkov, Dmitry A.; Melnikov, Mikhail Ya.; Budynina, Ekaterina M.. Computed Properties of C3H9IOS. The article was titled 《aza-Wittig Reaction with Nitriles: How Carbonyl Function Switches from Reacting to Activating》. The information in the text is summarized as follows:

Transformations of α-EWG-substituted (electron-withdrawing group, EWG) γ-azidobutyronitriles proceeding via unusual aza-Wittig reactions between the phosphazene and nitrile functions and affording pyrrole-derived iminophosphazenes were developed. α-EWGs were found to control chemoselectivity and, depending on their nature, act as CN group activators (e.g., ester, amide, or nitrile) or competitors (e.g., ketone) in aza-Wittig reactions. To demonstrate the synthetic utility of the obtained iminophosphazenes as N,N-binucleophiles, their transformations into pyrrole-fused systems, pyrrolo[1,2-a]imidazoles and pyrrolo[1,2-a][1,3]diazepines, were carried out. The experimental process involved the reaction of Trimethylsulfoxonium iodide(cas: 1774-47-6Computed Properties of C3H9IOS)

Trimethylsulfoxonium iodide(cas: 1774-47-6) is a sulfoxonium salt. It is used to generate dimethyloxosulfonium methylide by reaction with sodium hydride. The latter compound is used as a methylene-transfer reagent, and is used to prepare epoxides.Computed Properties of C3H9IOS

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

In 2019,Journal of Organic Chemistry included an article by Niu, Yi-Jie; Sui, Guo-Hui; Zheng, Hong-Xing; Shan, Xiang-Huan; Tie, Lin; Fu, Jia-Le; Qu, Jian-Ping; Kang, Yan-Biao. Related Products of 90-14-2. The article was titled 《Competing Dehalogenation versus Borylation of Aryl Iodides and Bromides under Transition-Metal-Free Basic Conditions》. The information in the text is summarized as follows:

Selectivity-controllable base-promoted transition-metal-free borylation and dehalogenation of aryl halides are described. Under the conditions of borylation, the dehalogenation which emerges as a competitive side reaction was well-controlled by carefully controlling the borylation conditions. However, the dehalogenation using benzaldehyde as a H source also was accomplished. The applications of direct radical borylation and dehalogenation of aryl halides demonstrate their synthetic practicability in pharmaceutical-oriented organic synthesis. Based on the exptl. evidences, the tBuOK/1,10-Phen-triggered radical nature of both competitive reactions was revealed. In the experiment, the researchers used 1-Iodonaphthalene(cas: 90-14-2Related Products of 90-14-2)

1-Iodonaphthalene(cas: 90-14-2) 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.Related Products of 90-14-2

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

Related Products of 41252-95-3On September 30, 2009 ,《Synthesis of 6-substituted imidazo[2,1-b]thiazoles via Pd/Cu-mediated Sonogashira coupling in water》 was published in Tetrahedron Letters. The article was written by Kamali, Taghi A.; Bakherad, Mohammad; Nasrollahzadeh, Mahmoud; Farhangi, Shiva; Habibi, Davood. The article contains the following contents:

The reaction of 2-amino-3-(2-propynyl)thiazolium bromide with various iodobenzenes, catalyzed by Pd/Cu, in the presence of sodium lauryl sulfate as surfactant and Cs2CO3 as base, in water, leads to the formation of 6-substituted imidazo[2,1-b]thiazoles. In the experiment, the researchers used 1-Chloro-4-iodo-2-nitrobenzene(cas: 41252-95-3Related Products of 41252-95-3)

1-Chloro-4-iodo-2-nitrobenzene(cas: 41252-95-3) belongs to 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.Related Products of 41252-95-3

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

《Zinc (II) complex immobilized on the surface of magnetic nanoparticles modified with phenanthroline: A novel and efficient nanomagnetic reusable catalyst for cross-coupling reaction of aryl iodides with terminal aromatic alkynes》 was written by Raya, Indah; Abdalkareem Jasim, Saade; Hashim Abdulkadhim, Adnan; Hashem Abbud, Luay; Sharma, Himanshu. SDS of cas: 15854-87-2This research focused onzinc magnetic nanoparticle catalyst Sonogashira crosscoupling catalyst aryliodide arylalkyne. The article conveys some information:

A novel and green nanomagnetic Zn catalyst were fabricated via the immobilization of Zn (II) complex on the surface of magnetic nanoparticles modified with phenanthroline (MNPs-Phen-Zn(II)). The structure of MNPs-Phen-Zn(II) nanomaterial was characterized by spectroscopic techniques including FTIR spectroscopy, SEM, TEM, EDX, XRD, VSM, and ICP-OES. The resulting Zn nanomagnetic catalyst was shown high catalytic activity for the synthesis of disubstituted alkynes via C(sp2)-C(sp) cross-coupling reactions of alkynes with aryl iodides under eco-friendly conditions. It is the first report on the use of Zn nanomagnetic catalyst for the Sonogashira type cross-coupling reaction of alkynes with aryl iodides in the absence of added Pd and Cu sources. The simple preparation of the catalyst from com. available materials, excellent chemoselectivity, easy separation of products, and straightforward recovery and reusability of the catalyst with unaltered activity make the procedure a green and practical method. The results came from multiple reactions, including the reaction of 4-Iodopyridine(cas: 15854-87-2SDS of cas: 15854-87-2)

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

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