Category: iodides-buliding-blocks

Application In Synthesis of 1-Iodopyrrolidine-2,5-dioneIn 2019 ,《Establishment of Guidelines for the Control of Glycosylation Reactions and Intermediates by Quantitative Assessment of Reactivity》 appeared in Angewandte Chemie, International Edition. The author of the article were Chang, Chun-Wei; Wu, Chia-Hui; Lin, Mei-Huei; Liao, Pin-Hsuan; Chang, Chun-Chi; Chuang, Hsiao-Han; Lin, Su-Ching; Lam, Sarah; Verma, Ved Prakash; Hsu, Chao-Ping; Wang, Cheng-Chung. The article conveys some information:

Stereocontrolled chem. glycosylation remains a major challenge despite vast efforts reported over many decades and so far still mainly relies on trial and error. Now it is shown that the relative reactivity value (RRV) of thioglycosides is an indicator for revealing stereoselectivities according to four types of acceptors. Mechanistic studies show that the reaction is dominated by two distinct intermediates: glycosyl triflates and glycosyl halides from N-halosuccinimide (NXS)/TfOH. The formation of glycosyl halide is highly correlated with the production of α-glycoside. These findings enable glycosylation reactions to be foreseen by using RRVs as an α/β-selectivity indicator and guidelines and rules to be developed for stereocontrolled glycosylation. In the part of experimental materials, we found many familiar compounds, such as 1-Iodopyrrolidine-2,5-dione(cas: 516-12-1Application In Synthesis of 1-Iodopyrrolidine-2,5-dione)

1-Iodopyrrolidine-2,5-dione(cas: 516-12-1) is used in the preparation of vinyl sulfones from olefins and benzenesulfinic acid. It acts as a source for I+ and involved in Hunsdiecker reactions for the conversion of cinnamic acids, and propiolic acids to the corresponding alfa-halostyrenes and 1-halo-1-alkynes respectively. Application In Synthesis of 1-Iodopyrrolidine-2,5-dione

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

In 2022,Chinoy, Zoeisha S.; Moremen, Kelley W.; Friscourt, Frederic published an article in European Journal of Organic Chemistry. The title of the article was 《A Clickable Bio-orthogonal Sydnone-Aglycone for the Facile Preparation of a Core 1 O-Glycan-Array》.Related Products of 516-12-1 The author mentioned the following in the article:

Protein-O-glycosylation has been shown to be essential for many biol. processes. However, determining the exact relationship between O-glycan structures and their biol. activity remains challenging. Here we report that, unlike azides, sydnone can be incorporated as an aglycon into core 1 O-glycans early-on in their synthesis since it is compatible with carbohydrate chem. and enzymic glycosylation, allowing us to generate a small library of sydnone-containing core 1 O-glycans by chemoenzymic synthesis. The sydnone-aglycon was then employed for the facile preparation of an O-glycan array, via bio-orthogonal strain-promoted sydnone-alkyne cycloaddition click reaction, and in turn was utilized for the high-throughput screening of O-glycan-lectin interactions. This sydnone-aglycon, particularly adapted for O-glycomics, is a valuable chem. tool that complements the limited technologies available for investigating O-glycan structure-activity relationships. biotinylated glycans were immobilized on plates coated with NeutrAvidin, and the resulting glycan-array was probed with com. available fluorescently-labeled lectins.1-Iodopyrrolidine-2,5-dione(cas: 516-12-1Related Products of 516-12-1) was used in this study.

1-Iodopyrrolidine-2,5-dione(cas: 516-12-1) is used in the preparation of vinyl sulfones from olefins and benzenesulfinic acid. It acts as a source for I+ and involved in Hunsdiecker reactions for the conversion of cinnamic acids, and propiolic acids to the corresponding alfa-halostyrenes and 1-halo-1-alkynes respectively. Related Products of 516-12-1

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

In 2022,Chen, Yuqing; Yan, Huaipu; Liao, Qian; Zhang, Dandan; Lin, Shuangjie; Hao, Erjun; Murtaza, Rukhsana; Li, Chenchen; Wu, Chao; Duan, Chunying; Shi, Lei published an article in Angewandte Chemie, International Edition. The title of the article was 《Synthesis of Homoallylic Amines by Radical Allylation of Imines with Butadiene under Photoredox Catalysis》.Name: tert-Butyl 4-iodopiperidine-1-carboxylate The author mentioned the following in the article:

A conceptually different radical-radical cross-coupling strategy for the synthesis of a homoallyl amines RCH2CH=CHCH2CH(NHR1)(R2) (R = oxetan-3-yl, 3-methylbut-3-en-1-yl, 2-(tert-butoxy)-2-oxoethyl, etc.; R1 = 4-fluorophenyl, 2,4,6-trimethylphenyl, naphthalen-2-yl, etc.; R2 = thiophen-2-yl, 3,4-dimethoxyphenyl, 4-[methoxy(oxo)methyl]phenyl, etc.) between an α-amino alkyl radical and a transient allylic radical have been reported. This metal-free method provided a novel approach for the synthesis of homoallylic amines (>80 examples) from readily available materials with excellent regioselectivity and exceptional broad functional group compatibility. The results came from multiple reactions, including the reaction of tert-Butyl 4-iodopiperidine-1-carboxylate(cas: 301673-14-3Name: 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.Name: tert-Butyl 4-iodopiperidine-1-carboxylate

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

In 2022,Zhang, Xing Xing; Diao, Liang Zhuo; Chen, Liu Zeng; Ma, Duo; Wang, Yu Meng; Jiang, Han; Ruan, Ban Feng; Liu, Xin Hua published an article in European Journal of Medicinal Chemistry. The title of the article was 《Discovery of 4-((E)-3,5-dimethoxy-2-((E)-2-nitrovinyl)styryl)aniline derivatives as potent and orally active NLRP3 inflammasome inhibitors for colitis》.Safety of 4-Iodobenzoic acid The author mentioned the following in the article:

A series of pterostilbene derivatives I [R1 = tert-Bu, Ph, 2-furyl, etc] were designed and synthesized based on previous SAR, leading to discovery of new effective NLRP3 inflammasome inhibitors with metabolic stability. Among them, the most effective compound I [R1 = 2-furyl] showed high inhibitory efficacy (against IL-1 β: IC50 = 1.23μM) and almost no toxicity (against IL-1 b: IC50 > 100μM). Further mechanism studies have showed that compound I [R1 = 2-furyl] directly targets the NLRP3 and affects the assembly of inflammasomes to inhibit the activation of NLRP3 inflammasomes. More importantly, in vitro experiments show that compound I [R1 = 2-furyl] has a significant therapeutic effect on DSS-induced colitis in mice with good metabolic stability to liver microsomes (t1/2 = 138.6 min). This research encourages the further development of more effective NLRP3 inflammasome inhibitors based on this chem. scaffold. In addition to this study using 4-Iodobenzoic acid, there are many other studies that have used 4-Iodobenzoic acid(cas: 619-58-9Safety of 4-Iodobenzoic acid) was used in this study.

4-Iodobenzoic acid(cas: 619-58-9) 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. Alkyl iodides react at a faster rate than alkyl fluorides due to the weak C-I bond.Safety of 4-Iodobenzoic acid

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

In 2022,Thakare, Milind S.; Pawar, Nilesh S.; Adole, Vishnu A.; Patil, Dipak B.; Patil, Vikas published an article in Journal of the Indian Chemical Society. The title of the article was 《Reactive sensing of gold (III) by coumarin tethered fluorescent probe through alkyne activation》.Product Details of 88-67-5 The author mentioned the following in the article:

A novel strategy, involving anchoring and un-anchoring of coumarin based fluorophore, has been established for the selective detection of Au3+ species. Selective sensing of Gold (Au3+) was triggered due to alkynophilicity of gold ions to create lateral fluorescence of a latent fluorophore. The 4-methyl-2-oxo-2H-chromen-7-yl 2-(2-phenylethynyl) benzoate (CEB) probe was synthesized by reacting 7-hydroxy-4-methylcoumarin with iodo-benzoic acid. CEB probe has an absorption at 300 nm and 335 nm which decreases gradually and new absorption appeared at 406 nm due to Au3+ promoted ester hydrolysis selectively over other metal ions with great sensitivity, which accompanies a turn on fluorescence change produced by 7-hydroxy coumarin. The principle behind this sensing strategy is activation of triple bond induced uniquely by Au+3 ions leading to cascade and delivers active fluorophore. The sensing mechanism was proposed and supported by 1H NMR, MS and TD-DFT experiments The d. functional theory (DFT) and time dependent d. functional theory (TD-DFT) theor. results of the CEB-probe and Au3+ reaction is in good agreement with the exptl. results. Addnl., probe could be well incorporated onto the test strips for effective detection of Au3+.2-Iodobenzoic acid(cas: 88-67-5Product Details of 88-67-5) was used in this study.

2-Iodobenzoic acid(cas: 88-67-5) belongs to organic iodides. Organic iodides are used in veterinary products (Organic Iodide Powder) as a nutritional source of iodine.Product Details of 88-67-5 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.

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

Xiong, Wenzhang; Shi, Qiu; Liu, Wenbo H. published an article in 2022. The article was titled 《Simple and Practical Conversion of Benzoic Acids to Phenols at Room Temperature》, and you may find the article in Journal of the American Chemical Society.Recommanded Product: 3-Iodophenol The information in the text is summarized as follows:

Herein, an efficient and practical approach to prepare phenols from benzoic acids via simple organic reagents at room temperature was reported. This approach was compatible with various functional groups and heterocycles and can be easily scaled up. To demonstrate its synthetic utility, bioactive mols. and unsym. hexaarylbenzenes was prepared by leveraging this transformation as strategic steps. Mechanistic investigations suggest that the key migration step involve a free carbocation instead of a radical intermediate. Considering the abundance of benzoic acids and the utility of phenols, it was anticipated that this method will find broad applications in organic synthesis. In addition to this study using 3-Iodophenol, there are many other studies that have used 3-Iodophenol(cas: 626-02-8Recommanded Product: 3-Iodophenol) was used in this study.

3-Iodophenol(cas: 626-02-8) 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. Recommanded Product: 3-Iodophenol Organic iodides can be alkyl, alkenyl, or alkynyl, and all of them are very reactive toward with many kinds of nucleophiles.

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

Wang, Linjuan; Zan, Ling published an article in 2021. The article was titled 《Band-gap-energy-adjustable and noble-metal-free modified NiS-ZnxCd1-xS for highly efficient visible-light-driven Cr6+ photoreduction in alkaline wastewater》, and you may find the article in Journal of Physics and Chemistry of Solids.Product Details of 516-12-1 The information in the text is summarized as follows:

Industrial wastewater containing heavy metal ions can cover the full pH range according to the manufacturing process. Alk. wastewater treatment is still a great challenge because Cr6+ therein has a more neg. reduction potential (Cr2O27- + 14H+ + 6e- = 2Cr3+ + 7H2O (ECr6+Cr2O72-Cr3+) = Eθ – ((RT)/(nF))ln[OH]-) than in acid solution, in which it can be easily reduced by numerous reagents. In this study, weakly alk. Cr6+ solution has been used to simulate weakly alk. industrial wastewater, and a reagent capable of excellent reduction efficiency therein has been developed. A series of band-gap-energy-adjustable NiS-ZnxCd1-xS composites has been synthesized by a one-pot hydrothermal method. A more neg. conduction band position for ZnxCd1-xS has been achieved by doping and changing the amount of Zn2+ ions to ensure a superior photoreduction ability. All modified samples show excellent photocatalytic efficiency. For example, the reduction efficiency of 10%NiS-Zn0.25Cd0.75S sample is threefold higher than that of Zn0.25Cd0.75S and sixfold higher than that of CdS when deployed at a catalytic level for 30 min. Multiple characterization methods have been applied, and the results show that the improved efficiency can be ascribed to intimate contact between Zn0.25Cd0.75S and NiS. Photoluminescence (PL) and photocurrent measurements and electrochem. impedance spectroscopy (EIS) further elucidate the catalytic mechanism and imply an enhanced charge-carrier separation efficiency between Zn0.25Cd0.75S and NiS. The experimental process involved the reaction of 1-Iodopyrrolidine-2,5-dione(cas: 516-12-1Product Details of 516-12-1)

1-Iodopyrrolidine-2,5-dione(cas: 516-12-1) is used in the preparation of vinyl sulfones from olefins and benzenesulfinic acid. It acts as a source for I+ and involved in Hunsdiecker reactions for the conversion of cinnamic acids, and propiolic acids to the corresponding alfa-halostyrenes and 1-halo-1-alkynes respectively. Product Details of 516-12-1

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

Visseq, Alexia; Descheemaeker, Amelie; Herault, Karine; Giraud, Francis; Abrunhosa-Thomas, Isabelle; Artola, Alain; Anizon, Fabrice; Dallel, Radhouane; Moreau, Pascale published an article in 2021. The article was titled 《Improved potency of pyridin-2(1H)one derivatives for the treatment of mechanical allodynia》, and you may find the article in European Journal of Medicinal Chemistry.Synthetic Route of C5H4IN The information in the text is summarized as follows:

Mech. allodynia, a painful sensation caused by innocuous touch, is a major chronic pain symptom, which often remains without an effective treatment. There is thus a need for new anti-allodynic treatments based on new drug classes. We recently synthesized new 3,5-disubstituted pyridin-2(1H)-one derivatives By substituting the pyridinone at the 3-position by various aryl/heteroaryl moieties and at the 5-position by a phenylamino group, we discovered that some derivatives exhibited a strong anti-allodynic potency in rats. Here, we report that varying the substitution of the pyridinone 5-position, the 3-position being substituted by an indol-4-yl moiety, further improves such anti-allodynic potency. Compared with 2, one of the two most active compounds of the first series, eleven out of nineteen newly synthesized compounds showed higher anti-allodynic potency, with two of them completely preventing mech. allodynia. In the first series, hit compounds 1 and 2 (I and II) appeared to be inhibitors of p38α MAPK, a protein kinase known to underlie pain hypersensitivity in animal models. Depending on the substitution at the 5-position, some newly synthesized compounds were also stronger p38α MAPK inhibitors. Surprisingly, though, anti-allodynic effects and p38α MAPK inhibitory potencies were not correlated, suggesting that other biol. target(s) is/are involved in the analgesic activity in this series. Altogether, these results confirm that 3,5-disubstituted pyridine-2(1H)-one derivatives are of high interest for the development of new treatment of mech. allodynia. In the experiment, the researchers used many compounds, for example, 4-Iodopyridine(cas: 15854-87-2Synthetic Route of C5H4IN)

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.Synthetic Route of C5H4IN

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

Mashiko, Tomoya; Shingai, Yuta; Sakai, Jun; Kamo, Shogo; Adachi, Shinya; Matsuzawa, Akinobu; Sugita, Kazuyuki published their research in Angewandte Chemie, International Edition in 2021. The article was titled 《Total Synthesis of Cochlearol B via Intramolecular [2+2] Photocycloaddition》.Safety of 3-Iodophenol The article contains the following contents:

Herein, authors describe the first total synthesis of cochlearol B (I), a meroterpenoid natural product featuring a 4/5/6/6/6-fused pentacyclic structure. Key steps, oxidative cyclization and subsequent intramol. [2+2] photocycloaddition, which constructed the pentacyclic structure in highly stereoselective manner, allowed efficient access to cochlearol B with the longest linear sequence of 16 steps, and in 9% overall yield. Single-crystal X-ray crystallog. anal. clearly confirmed the stereochem. of cochlearol B. The results came from multiple reactions, including the reaction of 3-Iodophenol(cas: 626-02-8Safety of 3-Iodophenol)

3-Iodophenol(cas: 626-02-8) 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. Alkyl iodides react at a faster rate than alkyl fluorides due to the weak C-I bond.Safety of 3-Iodophenol

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

《Diketopyrrolopyrrole-fullerene C60 architectures as highly efficient heavy atom-free photosensitizers: synthesis, photophysical properties and photodynamic activity》 was published in Organic & Biomolecular Chemistry in 2020. These research results belong to Agazzi, Maximiliano L.; Almodovar, Vitor A. S.; Gsponer, Natalia S.; Bertolotti, Sonia; Tome, Augusto C.; Durantini, Edgardo N.. Synthetic Route of C7H5IO The article mentions the following:

Chromophore-fullerene C60 hybrids possess interesting properties that enable them to act as heavy atom-free photosensitizers and reactive oxygen species (ROS) producers. Here, two new diketopyrrolopyrrole-C60 conjugates were efficiently synthesized and characterized. The conjugates show broadband absorption in the visible spectral region, in which diketopyrrolopyrrole dyes act as light-harvesting antenna with very high capacity to populate excited triplet states. Furthermore, the ability of diketopyrrolopyrrole-C60 systems to generate singlet mol. oxygen was explored for the first time in solvents of different polarities. The exptl. results show that these architectures exhibit very high production rates of this ROS. In addition, a preliminary study on Staphylococcus aureus cell suspensions indicates that both conjugates exhibit phototoxicity after irradiation with green LED light. Thus, the data obtained provide evidence that these diketopyrrolopyrrole-C60 architectures act as potential heavy atom-free photosensitizers in photodynamic inactivation of microorganisms and other singlet oxygen-mediated applications. The experimental process involved the reaction of 4-Iodobenzaldehyde(cas: 15164-44-0Synthetic Route of C7H5IO)

4-Iodobenzaldehyde(cas: 15164-44-0) is used in synthesis of 4-[2-(trimethylsilyl)ethynyl]benzaldehyde, 5,15-dimesityl-10-(3-[2-(trimethylsilyl)ethynyi]phenyl}-20-(4-iodophenyl)porphyrin, and 5,15-dimesityl-10-[3,5-bis{2-[4-(N,N’-difluoroboryl-1,9-dimethyidipyrrin-5-yl)-phenyl]ethynyl}phenyl]-20-(4-iodophenyl)porphyrin.Synthetic Route of C7H5IO

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