Month: October 2022

In 2015,Guo, Haiquan; Liu, Fangfang; Zhao, Jianying; Yao, Haibo; Jin, Rizhe; Kang, Chuanqing; Bian, Zheng; Qiu, Xuepeng; Gao, Lianxun published 《In situ iodoalkane-reduction of graphene oxide in a polymer matrix: an easy and effective approach for the fabrication of conductive composites》.Journal of Materials Chemistry C: Materials for Optical and Electronic Devices published the findings.Related Products of 624-73-7 The information in the text is summarized as follows:

In situ chem. reduction (ISCR) of graphene oxide (GO) dispersed in a polymer matrix has been regarded as an effective path to fabricate elec. conductive graphene/polymer composites due to the combination of perfect dispersion of GO in a polymer matrix and high elec. conductivity of graphene. However, there are only very limited number of reducing agents that can be applied to the ISCR process for the fabrication of graphene/polymer composites. Herein, we report a highly efficient reducing agent, 1,2-diiodoethane, which can be used in the preparation of graphene (IGO)/polyimide (PI) composites via the ISCR process. The results showed that the elec. conductivity of IGO/PI composites with 2.5 wt% of IGO was 2.22 S m-1, nearly seven orders of magnitudes higher than that of GO/PI without the addition of 1,2-diiodoethane. Moreover, the tensile strength and modulus of IGO/PI composites were increased by about 43% and 52% as compared with that of the pure PI, resp. Furthermore, 1,2-diiodoethane and its decomposition products would not remain in the composites. The ISCR-based methodol. can be extended to many other polymer composites and thus paves the way for easy and effective fabrication of conductive polymer composites. In addition to this study using 1,2-Diiodoethane, there are many other studies that have used 1,2-Diiodoethane(cas: 624-73-7Related Products of 624-73-7) was used in this study.

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.Related Products of 624-73-7

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

《Fifteen 4-(2-methoxyphenyl)piperazin-1-ium salts containing organic anions: supramolecular assembly in zero, one, two and three dimensions》 was written by Harish Chinthal, Chayanna; Kavitha, Channappa N.; Yathirajan, Hemmige S.; Foro, Sabine; Rathore, Ravindranath S.; Glidewell, Christopher. Product Details of 619-58-9 And the article was included in Acta Crystallographica, Section E: Crystallographic Communications in 2020. The article conveys some information:

Fifteen 4-(2-methoxyphenyl)piperazin-1-ium salts containing organic anions have been prepared and structurally characterized. In the isostructural 4-chlorobenzoate and 4-bromobenzoate salts, C11H17N20+·C7H4ClO2- (I) and C11H17N20+·C7H4BrO2- (II), and the 4-iodobenzoate salt C11H17N20+·C7H4IO2- (III), the ions are linked by N-H···O hydrogen bonds, forming centrosym. R44(12) four-ion aggregates; a similar aggregate is formed in the 2-chlorobenzoate salt (V), isomeric with (I). In the 2-fluorobenzoate salt C11H17N2O+·C7H4FO2- (IV), and the isomorphous pair of salts, the 2-bromobenzoate (VI), isomeric with (II) and 2-iodobenzoate (VII), isomeric with (III), N-H···O and C-H···π(arene) interactions link the components into three-dimensional arrays. Four-ion R44(12) aggregates are also found in the 2-methylbenzoate, 4-aminobenzoate and 4-nitrobenzoate salts, C11H17N2O+·C8H7O2- (VIII), C11H17N2O+·C7H6NO2- (IX) and C11H17N2O+·C7H4NO4- (X), but those in (IX) are linked into complex sheets by an addnl. N-H···O hydrogen bond. In the 3,5-dinitrobenzoate salt, C11H17N2O+·C7H3N2O6-·2H2O (XI), N-H···O and O-H···O hydrogen bonds link the components into a complex ribbon structure. In the picrate salt, C11H17N2O+·C6H2N3O7- (XII), the four-ion aggregates are linked into chains of rings by C-H···O hydrogen bonds. In the hydrogen maleate salt, C11H17N2O+·C4H3O4- (XIII), two- and three-center hydrogen bonds link the ions into a ribbon structure while both anions contain very short but asym. O-H···O hydrogen bonds, having O···O distances of 2.4447 (16) and 2.4707 (17) Å. O-H···O Hydrogen bonds link the anions in the hydrogen fumarate salt (XIV), isomeric with (XIII), into chains that are linked into sheets via N-H···O hydrogen bonds. In the hydrogen (2R,3R)-tartrate salt, C11H17N2O+·C4H5O6-·1.698H2O (XV), the anions are linked into sheets by O-H···O hydrogen bonds. Comparisons are made with the structures of some related compounds The experimental process involved the reaction of 4-Iodobenzoic acid(cas: 619-58-9Product Details of 619-58-9)

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. Product Details of 619-58-9 Alkyl iodides react at a faster rate than alkyl fluorides due to the weak C-I bond.

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

《A long persistent phosphorescent metal-organic framework for multi-level sensing of oxygen》 was published in Journal of Materials Chemistry C: Materials for Optical and Electronic Devices in 2020. These research results belong to Zhu, Cheng-Yi; Wang, Zheng; Mo, Jun-Ting; Fan, Ya-Nan; Pan, Mei. Formula: C7H5IO The article mentions the following:

A novel metal-organic framework (MOF) with long persistent luminescence (LPL) for multilevel oxygen detection is proposed, for which, the phosphorescence intensity, phosphorescence lifetime and LPL performance were applied to detect oxygen levels in 300-100 mbar, 0-150 mbar and <8 mbar, resp. Uniquely, the new idea of LPL detection makes the monitoring of ultra-low oxygen content possible with visualization.4-Iodobenzaldehyde(cas: 15164-44-0Formula: C7H5IO) was used in this study.

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.Formula: C7H5IO

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

《Quantum-chemical description of nucleophilic substitution reactions in the series of benzene derivatives in a localization approximation》 was written by Pankratov, A. N.. Application In Synthesis of 1-Chloro-4-iodo-2-nitrobenzene And the article was included in Journal of Structural Chemistry (Translation of Zhurnal Strukturnoi Khimii) on August 31 ,2001. The article conveys some information:

The energies of anion localization for reactions of 1-chloro-2-nitro-4-substituted benzenes with the methoxide ion -OCH3 were calculated The correlations between these energies and the relative rate of the nucleophilic substitution were established. The compounds studied were 1-Cl-2-NO2C6H3X, where X = H, CH3, CF3, CN, CHO, COCH3, COC6H5, CONH2, CON(CH3)2, COOCH3, N=NC6H5, N=NOC6H5, NO=NC6H5, N3, NO2, SCH3, SO2CH3, SO2C6H11, SO2C6H5, SO2N(CH3)C6H5, F, Cl, Br, and I. PM3 quantum-chem. calculations were performed using the MOPAC programs with full geometry optimization. Linear dependences of Inν on Λ- [Λ- = ΔΔHf, ΔΔGf (Gibbs energies)]. The correlation coefficients were rather high, especially when the exptl. data for the reaction in the polar medium were compared with the gas-phase reactivity index. For the reaction at 0°, the linear model is even more adequate if the exptl. and calculated data for 1-chloro-2-nitro-4-X-benzenes with X = N=NOC6H5, NO=NC6H5, N3, and F are excluded from consideration. In the experiment, the researchers used many compounds, for example, 1-Chloro-4-iodo-2-nitrobenzene(cas: 41252-95-3Application In Synthesis of 1-Chloro-4-iodo-2-nitrobenzene)

1-Chloro-4-iodo-2-nitrobenzene(cas: 41252-95-3) belongs to organic iodides.Application In Synthesis of 1-Chloro-4-iodo-2-nitrobenzene 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.

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

Quality Control of 4-IodopyridineIn 2021 ,《Impact of noncovalent interactions on structural and photophysical properties of zero-dimensional tellurium(IV) perovskites》 was published in Journal of Materials Chemistry C: Materials for Optical and Electronic Devices. The article was written by Nicholas, Aaron D.; Walusiak, Benjamin W.; Garman, Leah C.; Huda, Mehrun N.; Cahill, Christopher L.. The article contains the following contents:

Reported is the synthesis and characterization of eight new halotellurate(IV) compounds consisting of isolated [TeX6]2- (X = Cl, Br) octahedra charge balanced by halopyridinium (XPy; X = H, Cl, Br, I) cations and assembled via noncovalent interactions (NCIs) in the second coordination sphere. Computational d. functional theory (DFT) based natural bonding orbital (NBO) and d. of state (DOS) methods were used to (i) map the band structure, (ii) quantify and categorize noncovalent interaction strength and type, and (iii) deconstruct metal-halide bonding orbitals. The authors’ findings demonstrate the influence of NCIs on Te-X bonding, particularly AO hybridization, and the ability to tune band gap energies as a function of noncovalent interaction type and strength. In brief, band gap energies for the [TeCl6]2- materials decrease with increasing NCI strength, whereas the opposite is true for [TeBr6]2- compounds This report is a useful platform for probing the relation between second sphere effects and the structural and photophys. properties within the halotellurate(IV) family of low dimensional perovskites. The experimental process involved the reaction of 4-Iodopyridine(cas: 15854-87-2Quality Control of 4-Iodopyridine)

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.Quality Control of 4-Iodopyridine

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

Recommanded Product: 3-Bromo-6-iodo-2-methylpyridineOn September 30, 2016 ,《Povarov reaction, scope and limitations: Preparation of diversely heterocyclic tetrahydro-1H-cyclopenta[c]quinolines》 was published in Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry. The article was written by Ninoa, Patricia; Cabaa, Marta; Aguilarb, Nuria; Terricabrasb, Emma; Albericioc, Fernando; Fernandez, Joan-Carles. The article contains the following contents:

Herein, parallel synthesis of diverse heterocyclic-tetrahydro-1H-cyclopenta[c]quinolines, e.g., I in excellent yields and high endo diastereoselectivity has been described. These compounds are highly functionalized natural product-like tricyclic systems, which may be useful as biol. relevant targets. Fine tuning of the reaction conditions need to be performed depending on the nature and mol. structure of the heterocyclic aromatic carbaldehyde, as well as the choice of the Lewis acid catalyst. Synthesis of the heterocyclic aromatic aldehyde precursors of the Povarov reaction is also described. The experimental part of the paper was very detailed, including the reaction process of 3-Bromo-6-iodo-2-methylpyridine(cas: 1008361-77-0Recommanded Product: 3-Bromo-6-iodo-2-methylpyridine)

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.Recommanded Product: 3-Bromo-6-iodo-2-methylpyridine

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