Author: Jessica.F

Fanourakis, Alexander; Williams, Benjamin D.; Paterson, Kieran J.; Phipps, Robert J. published an article in 2021. The article was titled 《Enantioselective Intermolecular C-H Amination Directed by a Chiral Cation》, and you may find the article in Journal of the American Chemical Society.Formula: C6H5IO The information in the text is summarized as follows:

A family of anionic variants of the best-in-class catalyst for Rh-catalyzed C-H amination, Rh2(esp)2, with which the chiral cations are associated And derived from quaternized cinchona alkaloids, has been described. These ion-paired catalysts enable high levels of enantioselectivity to be achieved in the benzylic C-H amination of substrates R(CH2)4OH (R = Ph, 1-naphthyl, 3-methylthiophen-2-yl, etc.) bearing pentyl hydroxyl groups. Addnl., the quinoline of the chiral cation appears to engage in axial ligation to the rhodium complex, providing improved yields of products RCH(NHS(O)2OCH2R1)(CH2)3OH (R1 = (CF2)2CF3) vs. Rh2(esp)2 and highlighting the dual role that the cation is playing. These results underline the potential of using chiral cations to control enantioselectivity in challenging transition-metal-catalyzed transformations. In addition to this study using 3-Iodophenol, there are many other studies that have used 3-Iodophenol(cas: 626-02-8Formula: C6H5IO) 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. Formula: C6H5IO 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

In 2022,Teixeira Campos, Patrick; Karkow Bones, Mariana; Siqueira da Silva, Rubia Mara published an article in European Journal of Organic Chemistry. The title of the article was 《Energetic and Topological Supramolecular Study and Nucleation Mechanism Proposal of Halogenated Phenols》.HPLC of Formula: 626-02-8 The author mentioned the following in the article:

In this work, an energetic and topol. supramol. study of 10 different halogenated phenols, X-C6H4-OH (X=F, Cl, Br and I) in the ortho, meta, and para positions was carried out, except for X=Br, in ortho- and meta-X-phenols. Most compounds have a mol. coordination number (MCN) of fourteen. All intermol. interactions were classified, and the robustness was evaluated. Strong intermol. interactions such as O-H···O and π···π contributed half the energy of the cluster, although interactions considered weak as C-H···X and C-H···π reached 40% in energetic contribution, as they revealed a greater number of occurrences. Addnl., these theor. data of energy were correlated with exptl. data of m.p. and packing d. revealing a notable trend. In almost all cases evaluating the same position, the higher the d., the higher the m.p. and the higher the stabilizing energy. Finally, nucleation proposals were suggested for all compounds and revealed that six compounds needed three stages, while four compounds needed only two stages to promote the growth of the supramol. structure in three directions. In the experimental materials used by the author, we found 3-Iodophenol(cas: 626-02-8HPLC of Formula: 626-02-8)

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. Organic iodides can be alkyl, alkenyl, or alkynyl, and all of them are very reactive toward with many kinds of nucleophiles.HPLC of Formula: 626-02-8

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

Computed Properties of C6H5ClINIn 2022 ,《Nitrative bicyclization of 1,7-diynes for accessing skeletally diverse tricyclic pyrroles》 appeared in Chemical Communications (Cambridge, United Kingdom). The author of the article were Wang, Lu; Zhang, Yin; Miao, An-Qi; Zhang, Tian-Shu; Wang, Xiang; Hao, Wen-Juan; Tu, Shu-Jiang; Jiang, Bo. The article conveys some information:

A novel metal-free nitrative bicyclization of 1,7-diynes with tBuONO in the presence of H2O is reported, producing three types of skeletally diverse tricyclic pyrroles, namely pyrrolo[3,4-c]quinolines, chromeno[3,4-c]pyrroles and benzo[e]isoindoles, with moderate to good yields by simply tuning the linkers of the 1,7-diynes. This domino protocol demonstrates remarkable compatibility regarding 1,7-diynes with different linkers, such as nitrogen and oxygen atoms and a hydroxymethyl group, and tBuONO plays dual roles as a nitro precursor as well as a nitrogen atom source. In the experimental materials used by the author, we found 4-Chloro-2-iodoaniline(cas: 63069-48-7Computed Properties of C6H5ClIN)

4-Chloro-2-iodoaniline(cas: 63069-48-7) belongs to anime. Acylation is one of the most important reactions of primary and secondary amines; a hydrogen atom is replaced by an acyl group (a group derived from an acid, such as RCOOH or RSO3H, by removal of ―OH, such as RC(=O)―, RS(O)2―, and so on). Reagents may be acid chlorides (RCOC1, RSO2C1), anhydrides ((RCO)2O), or even esters (RCOOR′); the products are amides of the corresponding acids.Computed Properties of C6H5ClIN

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

SDS of cas: 624-73-7In 2018 ,《Broadly Applicable Stereoselective Syntheses of Serrulatane, Amphilectane Diterpenes, and Their Diastereoisomeric Congeners Using Asymmetric Hydrovinylation for Absolute Stereochemical Control》 was published in Journal of the American Chemical Society. The article was written by Tenneti, Srinivasarao; Biswas, Souvagya; Cox, Glen Adam; Mans, Daniel J.; Lim, Hwan Jung; RajanBabu, T. V.. The article contains the following contents:

A stereogenic center, placed at an exocyclic location next to a chiral carbon in a ring to which it is attached, is a ubiquitous structural motif seen in many bioactive natural products, including di- and triterpenes and steroids. Installation of these centers was a long-standing problem in organic chem. Few classes of compounds illustrate this problem better than serrulatanes and amphilectanes, which carry multiple methyl-bearing exocyclic chiral centers. Nickel-catalyzed asym. hydrovinylation (AHV) of vinylarenes and 1,3-dienes such as 1-vinylcycloalkenes provides an exceptionally facile way of introducing these chiral centers. This Article documents our efforts to demonstrate the generality of AHV to access not only the natural products but also their various diastereoisomeric derivatives Key to success here is the availability of highly tunable phosphoramidite Ni(II) complexes useful for overcoming the inherent selectivity of the chiral intermediates. The yields for hydrovinylation (HV) reactions are excellent, and selectivities are in the range of 92-99% for the desired isomers. Discovery of novel, configurationally fluxional, yet sterically less demanding 2,2′-biphenol-derived phosphoramidite Ni complexes (fully characterized by x-ray) turned out to be critical for success in several HV reactions. We also report a less spectacular yet equally important role of solvents in a metal-ammonia reduction for the installation of a key benzylic chiral center. Starting with simple oxygenated styrene derivatives, we iteratively install the various exocyclic chiral centers present in typical serrulatane [e.g., a (+)-p-benzoquinone natural product, elisabethadione, nor-elisabethadione, helioporin D, a known advanced intermediate for the synthesis of colombiasin and elisapterosin] and amphilectane [e.g., A-F, G-J, and K,L pseudopterosins] derivatives A concise table showing various synthetic approaches to these mols. is included in the Supporting Information. Our attempts to synthesize a hitherto elusive target, elisabethin A, led to a stereoselective, biomimetic route to pseudopterosin A-F aglycons.1,2-Diiodoethane(cas: 624-73-7SDS of cas: 624-73-7) was used in this study.

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.SDS of cas: 624-73-7

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

《A convenient synthesis of N,N’-dibenzyl-2,4-diaminopyrimidine-2′-deoxyribonucleoside and 1-methyl-2′-deoxypseudoisocytidine》 was written by Wellington, Kevin W.; Ooi, Hua Chee; Benner, Steven A.. Name: 2-Amino-5-iodopyrimidin-4(1H)-one And the article was included in Nucleosides, Nucleotides & Nucleic Acids on April 30 ,2009. The article conveys some information:

The syntheses of N,N’-dibenzyl-2,4-diaminopyrimidine-2′-deoxyribonucleoside and 1-methyl-2′-deoxypseudoisocytidine via Heck coupling are described. A survey of the attempts to use the Heck coupling to synthesize N,N’-dibenzyl-2,4-diaminopyrimidine-2′-deoxyribonucleoside is provided, indicating a remarkable diversity in outcome depending on the specific heterocyclic partner used. In the experimental materials used by the author, we found 2-Amino-5-iodopyrimidin-4(1H)-one(cas: 3993-79-1Name: 2-Amino-5-iodopyrimidin-4(1H)-one)

2-Amino-5-iodopyrimidin-4(1H)-one(cas: 3993-79-1) belongs to anime. Primary amines having a tertiary alkyl group (R3CNH2) are difficult to prepare with most methods but are made industrially by the Ritter reaction. In this method a tertiary alcohol reacts with hydrogen cyanide (HCN) in the presence of a concentrated strong acid; a formamide, RNH―CHO, is formed first, which then undergoes hydrolysis.Name: 2-Amino-5-iodopyrimidin-4(1H)-one

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

《Self-Assembly of a Giant Molecular Solomon Link from 30 Subcomponents》 was published in Angewandte Chemie, International Edition in 2014. These research results belong to Schouwey, Clement; Holstein, Julian J.; Scopelliti, Rosario; Zhurov, Konstantin O.; Nagornov, Konstantin O.; Tsybin, Yury O.; Smart, Oliver S.; Bricogne, Gerard; Severin, Kay. SDS of cas: 1008361-77-0 The article mentions the following:

The synthesis of topol. complex structures, such as links and knots, is one of the current challenges in supramol. chem. The so-called Solomon link consists of two doubly interlocked rings. Despite being a rather simple link from a topol. point of view, only few mol. versions of this link have been described so far. Here, the authors report the quant. synthesis of a giant mol. Solomon link from 30 subcomponents. The highly charged structure is formed by assembly of 12 cis-blocked Pt2+ complexes, six Cu+ ions, and 12 rigid N-donor ligands. Each of the two interlocked rings is composed of six repeating Pt(ligand) units, while the six Cu+ ions connect the two rings. With a mol. weight of nearly 12 kDa and a diameter of 44.2 Å, this complex is the largest non-DNA-based Solomon link described so far. Furthermore, it represents a mol. version of a “”stick link””. The experimental process involved the reaction of 3-Bromo-6-iodo-2-methylpyridine(cas: 1008361-77-0SDS of cas: 1008361-77-0)

3-Bromo-6-iodo-2-methylpyridine(cas: 1008361-77-0) belongs to pyridine. Pyridine-based materials are valued for their optical and physical properties as well as their medical potential. Additionally, pyridine-based natural products continue to be discovered and studied for their properties and to understand their biosynthesis.SDS of cas: 1008361-77-0

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

《Synthesis of novel 6-(substituted benzyl)imidazo[2,1-b][1,3]thiazole catalyzed by polystyrene-supported palladium(II) ethylenediamine complex》 was published in Journal of the Brazilian Chemical Society in 2009. These research results belong to Bakherad, Mohammad; Keivanloo, Ali; Bahramian, Bahram; Kamali, Taghi A.. Computed Properties of C6H3ClINO2 The article mentions the following:

Sonogashira coupling reaction of 2-amino-3-(2-propynyl)-1,3-thiazolium bromide with various aryl iodides RI (R = 2-O2NC6H4, 4-Cl-2-O2NC6H4, etc.) catalyzed by polymer-supported palladium(II) ethylenediamine complex, [PS-en-Pd(II)] gave the title compounds I. This heterogeneous palladium catalyst is efficient, stable, and recyclable. In the experiment, the researchers used 1-Chloro-4-iodo-2-nitrobenzene(cas: 41252-95-3Computed Properties of C6H3ClINO2)

1-Chloro-4-iodo-2-nitrobenzene(cas: 41252-95-3) 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.Computed Properties of C6H3ClINO2Halogenation of aromatic hydrocarbons is a very important reaction via an electrophilic aromatic substitution.

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

Name: 2-Chloro-5-iodo-3-(trifluoromethyl)pyridineOn September 12, 2018 ,《Iron-Nickel Dual-Catalysis: A New Engine for Olefin Functionalization and the Formation of Quaternary Centers》 was published in Journal of the American Chemical Society. The article was written by Green, Samantha A.; Vasquez-Cespedes, Suhelen; Shenvi, Ryan A.. The article contains the following contents:

Alkene hydroarylation forms carbon-carbon bonds between two foundational building blocks of organic chem.: olefins and aromatic rings. In the absence of electronic bias or directing groups, only the Friedel-Crafts reaction allows arenes to engage alkenes with Markovnikov selectivity to generate quaternary carbons. However, the intermediacy of carbocations precludes the use of electron-deficient arenes, including Lewis basic heterocycles. Here we report a highly Markovnikov-selective, dual-catalytic olefin hydroarylation that tolerates arenes and heteroarenes of any electronic character. Hydrogen atom transfer controls the formation of branched products and arene halogenation specifies attachment points on the aromatic ring. Mono-, di-, tri-, and tetra-substituted alkenes yield Markovnikov products including quaternary carbons within nonstrained rings. In the experiment, the researchers used 2-Chloro-5-iodo-3-(trifluoromethyl)pyridine(cas: 887707-25-7Name: 2-Chloro-5-iodo-3-(trifluoromethyl)pyridine)

2-Chloro-5-iodo-3-(trifluoromethyl)pyridine(cas: 887707-25-7) belongs to pyridine. Pyridine, its benzo and pyridine-based compounds play diverse roles in organic chemistry. As ligands, solvents, and catalysts they facilitate reactions; thus descriptions of these new ligands and their applications abound each year.Name: 2-Chloro-5-iodo-3-(trifluoromethyl)pyridine

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

The author of 《A Broadly Applicable Copper Reagent for Trifluoromethylations and Perfluoroalkylations of Aryl Iodides and Bromides》 were Morimoto, Hiroyuki; Tsubogo, Tetsu; Litvinas, Nichole D.; Hartwig, John F.. And the article was published in Angewandte Chemie, International Edition in 2011. Quality Control of (R)-3,3′-Diiodo-2,2′-bis(methoxymethoxy)-1,1′-binaphthalene The author mentioned the following in the article:

Authors have isolated a trifluoromethylcopper(I) reagent ligated by 1,10-phenanthroline, [(Phen)CuRF] (RF = CF3 (1), CF2CF2CF3 (2)) that reacts with unprecedented range of aryl halides at room temperature to 50°. In comparison to current alternative methods for trifluoromethylation of aryl halides, this system reacts under much milder conditions, tolerates a wider range of functional groups, tolerates basic heterocycles, reacts with more hindered substrates, can be extended to perfluoroalkylation, and occurs with a low total cost of goods. On a more fundamental level, the high reactivity of complexes 1 and 2 with a broad range of iodoarenes demonstrates that a general catalytic perfluoroalkylation of aryl iodides is not limited by the reactivity of the trifluoromethylcopper intermediate. The experimental process involved the reaction of (R)-3,3′-Diiodo-2,2′-bis(methoxymethoxy)-1,1′-binaphthalene(cas: 189518-78-3Quality Control of (R)-3,3′-Diiodo-2,2′-bis(methoxymethoxy)-1,1′-binaphthalene)

(R)-3,3′-Diiodo-2,2′-bis(methoxymethoxy)-1,1′-binaphthalene(cas: 189518-78-3) 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. Organic iodides can be alkyl, alkenyl, or alkynyl, and all of them are very reactive toward with many kinds of nucleophiles.Quality Control of (R)-3,3′-Diiodo-2,2′-bis(methoxymethoxy)-1,1′-binaphthalene

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

In 2015,Zhang, Hua; Wang, Caixia; Jiang, Tao; Guo, Haiming; Wang, Ge; Cai, Xinhua; Yang, Lin; Zhang, Yi; Yu, Haichuan; Wang, Hui; Jiang, Kai published 《Microtubule-Targetable Fluorescent Probe: Site-Specific Detection and Super-Resolution Imaging of Ultratrace Tubulin in Microtubules of Living Cancer Cells》.Analytical Chemistry (Washington, DC, United States) published the findings.Category: iodides-buliding-blocks The information in the text is summarized as follows:

Tubulins in microtubules have been recognized as potential targets in cancer chemotherapy for several years. However, their detection and imaging in living cells, especially following exposure to anticancer drugs, remains difficult to achieve. This difficulty is due to the very small cross section of microtubules and the very small changes in tubulin concentration involved. Photoswitchable fluorescent probes combined with the “”super-resolution”” fluorescence imaging technique present an exciting opportunity for site-specific detection and super-resolution imaging of specific microscopic populations, such as tubulin. A tubulin specific photoswitchable fluorescent probe (Tu-SP), that labels and detects ultratrace levels of tubulin in microtubules of living biosystems, was designed and evaluated. To realize super-resolution fluorescence imaging, the spiropyran derivative (SP), a classic photoswitch, was introduced to Tu-SP as a fluorophore. To detect ultratrace tubulin, Tu-SP employed the tubulin inhibitor, alkaloid colchicine (Tu), as a recognition unit. Tu-SP exhibited nearly nonintrinsic fluorescence before binding to tubulin, even if there were divalent metal ions and 375 nm lasers, resp. After binding to tubulin, a dramatic increase in fluorescence was detected within milliseconds when irradiated at 375 nm, this increase is a result of the transformation of Tu-SP into a colored merocyanine (Tu-SP-1) with fluorescence. Tu-SP was successfully used for site-specific imaging of tubulin at a resolution of 20 ± 5 nm in microtubules of living cancer cells. More importantly, the probe was suitable for site-specific and quant. detection of trace tubulin in microtubules of living biol. samples. After reading the article, we found that the author used 1,2-Diiodoethane(cas: 624-73-7Category: iodides-buliding-blocks)

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.Category: iodides-buliding-blocks

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