Tag: 200-300

Adenot, Aurelien; Anthore-Dalion, Lucile; Nicolas, Emmanuel; Berthet, Jean-Claude; Thuery, Pierre; Cantat, Thibault published their research in Chemistry – A European Journal in 2021. The article was titled 《A Copper(I)-Catalyzed Sulfonylative Hiyama Cross-Coupling》.Electric Literature of C7H5IO The article contains the following contents:

An air-tolerant Cu-catalyzed sulfonylative Hiyama cross-coupling reaction enabling the formation of diaryl sulfones is described. Starting from aryl silanes, DABSO and aryliodides, the reaction tolerates a large variety of polar functional groups (amines, ketones, esters, aldehydes). Control experiments coupled with DFT calculations shed light on the mechanism, characterized by the formation of a Cu(I)-sulfinate intermediate via fast insertion of a SO2 mol. The results came from multiple reactions, including the reaction of 4-Iodobenzaldehyde(cas: 15164-44-0Electric Literature 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.Electric Literature of C7H5IO

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

Lee, Jian Haur; Lin, Hung-Yi; Chen, Chia-Hsun; Lee, Yi-Ting; Chiu, Tien-Lung; Lee, Jiun-Haw; Chen, Chin-Ti; Adachi, Chihaya published their research in ACS Applied Materials & Interfaces in 2021. The article was titled 《Deep Blue Fluorescent Material with an Extremely High Ratio of Horizontal Orientation to Enhance Light Outcoupling Efficiency (44%) and External Quantum Efficiency in Doped and Non-Doped Organic Light-Emitting Diodes》.SDS of cas: 589-87-7 The article contains the following contents:

A novel bis-4Ph-substituted 9,10-dipehnylanthracene deep blue [1931 CIE (0.15, 0.08)] fluorescent compound, AnB4Ph, has been synthesized and characterized for organic light-emitting diode (OLED) applications. Our exptl. study of AnB4Ph excludes the possibility of triplet-triplet annihilation, hybridized local and charge transfer, or thermally activated delayed fluorescent characteristics of the material. Since the solid-state photoluminescence quantum yield of AnB4Ph was determined to be 48%, assuming a 100% for the charge recombination efficiency, the light outcoupling efficiency (ηout) of an AnB4Ph non-doped OLED achieving an external quantum efficiency (EQE) of 5.3% is at least 44%, which is more than twofold higher than 20% for conventional OLEDs. Both grazing incidence wide-angle X-ray scattering (GIWAXS) and angle-dependent photoluminescence (ADPL) measurements reveal AnB4Ph having a high value of order parameter (SGIWAXS) of 0.61 for a ππ stacking along the normal direction and an orientation order parameter (SADPL) for a horizontal emitting dipole moment of -0.50 or Θ (horizontal-dipole ratios) of 100%, resp. Otherwise, a refractive index (n) measurement provides a n = 1.80 for AnB4Ph thin films. Based on ηout = 1.2 x n-2, the calculated ηout is 37%, which is also in accordance with the results of GIWAXS and ADPL. We have also fabricated the classical fluorescent DPAVBi-doped AnB4Ph OLEDs, which display a true blue [1931 CIE (0.15 and 0.16)] electroluminescence with a high efficiency (EQE = 6.9%), surpassing the conventional ~5% EQE. Based on an ηout of 42% for DPAVBi-doped AnB4Ph OLEDs, our studies suggest that the extremely horizontally aligned AnB4Ph host material exerts the same horizontal alignment on the DPAVBi dopant mols. In addition to this study using 1-Bromo-4-iodobenzene, there are many other studies that have used 1-Bromo-4-iodobenzene(cas: 589-87-7SDS of cas: 589-87-7) was used in this study.

1-Bromo-4-iodobenzene(cas: 589-87-7) has been employed as reagent for in situ desilylation and coupling of silylated alkynes, as starting reagent in the total syntheses of ent-conduramine A and ent-7-deoxypancratistatin (alkaloids), as substrate in copper-free Sonogashira coupling in aqueous acetone in synthesis of β,β,dibromostyrenesSDS of cas: 589-87-7

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

Khandelia, Tamanna; Ghosh, Subhendu; Panigrahi, Pritishree; Shome, Rajib; Ghosh, Siddhartha Sankar; Patel, Bhisma K. published their research in Journal of Organic Chemistry in 2021. The article was titled 《Copper(I)-Mediated Cascade Annulation via Dual C-H/C-H Activation: Access to Benzo[a]carbazolic AEEgens》.SDS of cas: 63069-48-7 The article contains the following contents:

A Cu(I)-mediated cascade cyclization/annulation of unprotected o-alkynylanilines 2-RNH-R1C6H3CCC6H4R2 (R = H, Me; R1 = H, 4-CF3, 4-Me, 5-Cl, etc.; R2 = H, 4-tert-Bu, 3-fluoro, 4-Me, etc.), 2-[2-(thiophen-2-yl)ethynyl]aniline with maleimides I (R3 = H, Et, benzyl, cyclohexyl, etc.) in one pot is developed. The protocol offers sequential formation of one C-N and two C-C bonds to deliver fused benzo[a]carbazoles II (R4 = H, 11-CF3, 11-Me, 10-Cl, etc.; R5 = H, 5-tert-Bu, 6-fluoro, 5-Me, etc.), 5-ethylpyrrolo[3,4-c]thieno[2,3-a]carbazole-4,6(5H,11H)-dione having free NH skeletons. The annulated products display fluorescence emission in the range of 485-502 nm with a large Stokes shift and fluorescence lifetime of ~17 ns. The annulated II (R = R4 = R5 = H, R3 = Et) displays AEE behavior in the ethanol/hexane system and possesses marigold-flower-like morphol. at the aggregated state. Cell viability assays enumerate biocompatible AEEgens, while their high intracellular fluorescence depicts cell imaging applicability. The experimental part of the paper was very detailed, including the reaction process of 4-Chloro-2-iodoaniline(cas: 63069-48-7SDS of cas: 63069-48-7)

4-Chloro-2-iodoaniline(cas: 63069-48-7) belongs to anime. Examples of direct uses of amines and their salts are as corrosion inhibitors in boilers and in lubricating oils (morpholine), as antioxidants for rubber and roofing asphalt (diarylamines), as stabilizers for cellulose nitrate explosives (diphenylamine), as protectants against damage from gamma radiation (diarylamines), as developers in photography (aromatic diamines), as flotation agents in mining, as anticling and waterproofing agents for textiles, as fabric softeners, in paper coating, and for solubilizing herbicides.SDS of cas: 63069-48-7

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

Greiner, Luca C.; Inuki, Shinsuke; Arichi, Norihito; Oishi, Shinya; Suzuki, Rikito; Iwai, Tomohiro; Sawamura, Masaya; Hashmi, A. Stephen K.; Ohno, Hiroaki published their research in Chemistry – A European Journal in 2021. The article was titled 《Access to Indole-Fused Benzannulated Medium-Sized Rings through a Gold(I)-Catalyzed Cascade Cyclization of Azido-Alkynes》.Category: iodides-buliding-blocks The article contains the following contents:

Because benzannulated and indole-fused medium-sized rings are found in many bioactive compounds, combining these fragments might lead to unexplored areas of biol. relevant and uncovered chem. space. Herein is shown that α-imino gold carbene chem. can play an important role in solving the difficulty in the formation of medium-sized rings. Namely, phenylene-tethered azido-alkynes undergo arylative cyclization through the formation of a gold carbene intermediate to afford benzannulated indole-fused medium-sized tetracycles. The reactions allow a range of different aryl substitution patterns and efficient access to these otherwise difficult-to-obtain medium-sized rings. This study also demonstrates the feasibility of the semihollow-shaped C-dtbm ligand for the construction of a nine-membered ring. In addition to this study using 4-Chloro-2-iodoaniline, there are many other studies that have used 4-Chloro-2-iodoaniline(cas: 63069-48-7Category: iodides-buliding-blocks) was used in this study.

4-Chloro-2-iodoaniline(cas: 63069-48-7) belongs to anime. Amines characteristically form salts with acids; a hydrogen ion, H+, adds to the nitrogen. With the strong mineral acids (e.g., H2SO4, HNO3, and HCl), the reaction is vigorous. Salt formation is instantly reversed by strong bases such as NaOH. Neutral electrophiles (compounds attracted to regions of negative charge) also react with amines; alkyl halides (R′X) and analogous alkylating agents are important examples of electrophilic reagents.Category: iodides-buliding-blocks

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

Lauta, Nicholas R.; Williams, Ryan E.; Smith, David T.; Kumirov, Vlad K.; Njardarson, Jon T. published their research in Journal of Organic Chemistry in 2021. The article was titled 《Oxidative Route to Indoles via Intramolecular Amino-Hydroxylation of o-Allenyl Anilines》.Synthetic Route of C6H5ClIN The article contains the following contents:

A new intramol. oxidative amino-hydroxylation of o-allenyl anilines was reported. Treatment of carbamate-protected anilines with lead(IV) carboxylates in dichloromethane at room temperature resulted in facile tandem C-N (allene cyclization) and C-O bond formation (carboxylate trapping) to form indole products I [R1 = H, Br, MeO, etc.; R2 = Me, H2CCCl3, t-Bu, Bn; R3 = Me, Ph, 4-FC6H4, 4-F3CC6H4, 4-MeOC6H4, HC=CHPh; R4 = H, Me; R5 = H, Me] . Detailed reaction scope, mechanistic and kinetic studies suggested a reaction pathway involving an initial Wessely dearomatization step followed by cyclization and rearomatization. In the experiment, the researchers used many compounds, for example, 4-Chloro-2-iodoaniline(cas: 63069-48-7Synthetic Route of C6H5ClIN)

4-Chloro-2-iodoaniline(cas: 63069-48-7) belongs to anime. To avoid the problem of multiple alkylation, methods have been devised for “blocking” substitution so that only one alkyl group is introduced. The Gabriel synthesis is one such method; it utilizes phthalimide, C6H4(CO)2NH, whose one acidic hydrogen atom has been removed upon the addition of a base such as KOH to form a salt.Synthetic Route of C6H5ClIN

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

《Transition-Metal-Free Synthesis of Phenanthridinones through Visible-Light-Driven Oxidative C-H Amidation》 was written by Usami, Kaoru; Yamaguchi, Eiji; Tada, Norihiro; Itoh, Akichika. Quality Control of 2-Iodobenzoic acid And the article was included in European Journal of Organic Chemistry in 2020. The article conveys some information:

The treatment of N-aryl biphenylcarboxamide 2-(4-R2C6H4)-4-R1C6H3C(O)NHR (R = Me, Ph, 1,3-benzothiazol-2-yl, etc.; R1 = H, Br, phenyl; R2 = H, OMe, tert-Bu, Ph, trifluoromethyl, Cl), 1-chloroanthraquinone (1-Cl-AQN) catalyst, and K2CO3 in CHCl3 under visible light irradiation affords phenanthridinone I via radical cyclization. This reaction proceeds under transition-metal-free condition, room temperature, and direct C-H amidation. Mechanistic studies indicate that amidyl radical generation proceeds by visible light induced proton coupled electron transfer (PCET) from N-H bond of the amide. The results came from multiple reactions, including the reaction of 2-Iodobenzoic acid(cas: 88-67-5Quality Control of 2-Iodobenzoic acid)

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. Quality Control of 2-Iodobenzoic acid 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

《Trimethoxyphenyl (TMP) as a Useful Auxiliary for in situ Formation and Reaction of Aryl(TMP)iodonium Salts: Synthesis of Diaryl Ethers》 was published in Advanced Synthesis & Catalysis in 2020. These research results belong to Gallagher, Rory T.; Basu, Souradeep; Stuart, David R.. Formula: C6H4ClI The article mentions the following:

Herein, a synthetic approach for arylation that exploits the in situ formation and reaction of an unsym. diaryliodonium salt is described. In this way, aryl iodides are used as reagents in a metal-free reaction with phenols, and a trimethoxyphenyl (TMP) group is used as a “”dummy”” group to facilitate transfer of a wide range of aryl moieties. The scope of aryl electrophiles and phenol nucleophiles is broad (>30 examples) and the yields are high (52-95%, 80% avg.). One-pot coupling reactions avoid the synthesis of diaryliodonium salts and provide opportunities for sequential reactions and novel chemoselectivity. In the part of experimental materials, we found many familiar compounds, such as 1-Chloro-3-iodobenzene(cas: 625-99-0Formula: C6H4ClI)

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.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.Formula: C6H4ClI

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

《Direct synthesis of chain-end-functionalized poly(3-hexylthiophene) without protecting groups using a zincate complex》 was published in Macromolecular Rapid Communications in 2020. These research results belong to Inagaki, Shin; Yamamoto, Takuya; Higashihara, Tomoya. Reference of 4-Iodobenzoic acid The article mentions the following:

Chain-end-functionalized poly(3-hexylthiophene)s (P3HTs) with benzyl alc. (-PhCH2OH), phenol (-PhOH), and benzoic acid (-PhCOOH) groups are directly synthesized based on the Negishi catalyst-transfer polycondensation method utilizing the zincate complex of tBu4ZnLi2. In this system, neither protection nor deprotection steps are required, and also providing a living polymerization system to control the mol. weight while maintaining a low molar mass dispersity (DM) of the obtained P3HT derivatives Indeed, the chain-end-functionalized P3HTs can be synthesized along with controlled number-average mol. weights (Mn = 5100-20 000), low DM (1.06-1.14), and high chain-end functionality (Fn = 46-86%). The Fn values for the alc. and phenol groups are found to be high (86% for-PhCH2OH and 71% for -PhOH based on 1H NMR, resp.), as also confirmed by matrix-assisted laser desorption/ionization time of flight mass spectroscopy. The easily synthesizable chain-end-functionalized P3HTs will be applicable for the facile synthesis of block and branched polymers containing P3HT as well as its related semiconducting polymer segments. In the experiment, the researchers used many compounds, for example, 4-Iodobenzoic acid(cas: 619-58-9Reference of 4-Iodobenzoic acid)

4-Iodobenzoic acid(cas: 619-58-9) belongs to organic iodides. Generally organic iodides can be divided into two classes of alkyl iodides and aryl iodides. Reference of 4-Iodobenzoic acid 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

《Biodegradable and biocompatible radiopaque iodinated poly-3-hydroxy butyrate: synthesis, characterization and in vitro/in vivo X-ray visibility》 was published in Polymer Bulletin (Heidelberg, Germany) in 2020. These research results belong to Erol, Arzu; Rosberg, Derya B. Hazer; Hazer, Baki; Goncu, Beyza S.. Name: 4-Iodobenzoic acid The article mentions the following:

Some novel radiopaque biodegradable and biocompatible iodinated polymers based on poly-3-hydroxy butyrate (PHB) were obtained. Following the attachment of diethanol amine to PHB, the hydroxyl ends were capped with 4-iodobenzoic acid and 2,3,5-tri-iodobenzoic acid. In this manner, tri-novel radiopaque polymers were obtained. The resulting polymers were structurally characterized by NMR technique. They were evaluated with respect to their possible use as radiopaque implant biomaterials indicating X-ray visibility in a noninvasive manner using routine X-ray absorption imaging techniques. These polymers exhibited good radiopacity with conventional imaging X-ray techniques in vivo. Addnl., biocompatibility of these iodinated polymers was also evaluated. There were no signs of infection or abscess formation on the surgical area. These novel radiopaque PHBs should be promising biomaterials for a new-generation radiopaque materials. The results came from multiple reactions, including the reaction of 4-Iodobenzoic acid(cas: 619-58-9Name: 4-Iodobenzoic acid)

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. Organic iodides can be alkyl, alkenyl, or alkynyl, and all of them are very reactive toward with many kinds of nucleophiles.Name: 4-Iodobenzoic acid

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

《A Combination of Biocompatible Room Temperature Ionic Liquid and Palladium Catalyst for Base- and Ligand-free Suzuki Coupling Reactions》 was published in Asian Journal of Organic Chemistry in 2020. These research results belong to Joo, Seong-Ryu; Kwon, Gyu-Tae; Kim, Seung-Hoi. HPLC of Formula: 626-02-8 The article mentions the following:

A system with mild and versatile reaction conditions for a carbon-carbon bond-forming reaction using arylboronic acids RB(OH)2 (R = Ph, 3,4-dimethoxyphenyl, pyridin-3-yl, etc.) and aryl halides R1X (R1 = 4-methylphenyl, 3-iodophenyl, thiophen-2-yl, etc.; X = I, F, Cl, Br) was developed. A readily available and biodegradable room-temperature ionic liquid, choline hydroxide (ChOH), was combined with a ligand-free Pd(OAc)2-catalyst, providing the corresponding sym. and/or unsym. biaryl products RR1 in satisfactory yields under aerobic conditions. No external base or ligand was required for completion of the cross-coupling reactions. More significantly, the reaction medium showed good recyclability, which is an important characteristic from the viewpoint of sustainable chem. In the part of experimental materials, we found many familiar compounds, such as 3-Iodophenol(cas: 626-02-8HPLC of Formula: 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.HPLC of Formula: 626-02-8Halogenation of aromatic hydrocarbons is a very important reaction via an electrophilic aromatic substitution.

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