Tag: 200-300

In 2022,Minemoto, S.; Mun, J. H.; Teramoto, T.; Yagishita, A.; Tsuru, S. published an article in Journal of Electron Spectroscopy and Related Phenomena. The title of the article was 《Ultrafast X-ray photoelectron diffraction from free molecules: Simulations of diffraction profiles from transient intermediates in the elimination reaction of C2H4I2》.Application of 624-73-7 The author mentioned the following in the article:

We have performed the simulations of C 1 s X-ray photoelectron diffraction (XPD) profiles from C2H4I2, bridged and classical anti-forms of C2H4I intermediates and C2H4 products to capture structures of transient intermediates in the elimination reaction of C2H4I2, under our ultrafast X-ray photoelectron diffraction (UXPD) scheme for free mols. using soft X-ray free-electron laser (SXFEL). In the UXPD scheme, the sample mols. are aligned in advance by near-IR (NIR) laser with ns pulse duration before applying a pump – probe method. Then, we have considered alignment control of C2H4I2 by using the elliptically polarized NIR laser to realize the UXPD experiments for the free mols. As the results of simulations of XPD profiles from the laser-aligned C2H4I2 mols., we have demonstrated the two-dimensional (2D) color maps of the C 1 s XPD profiles from C2H4I2, C2H4I, and C2H4. The 2D color maps have revealed that the transient C 1 s XPD profiles from the bridged-form and classical anti-form C2H4I intermediates exhibit remarkable differences, reflecting different intra-mol. scattering pathways of C 1 s photoelectrons within the intermediates. Thus, the present result has proved that UXPD for the free mols. has an advantage, compared with other traditional diffraction methods. In addition to this study using 1,2-Diiodoethane, there are many other studies that have used 1,2-Diiodoethane(cas: 624-73-7Application 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.Application of 624-73-7

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

Maiti, Saikat; Rhlee, Joon Ho published their research in Chemical Communications (Cambridge, United Kingdom) in 2021. The article was titled 《Reductive Ni-catalysis for stereoselective carboarylation of terminal aryl alkynes》.Category: iodides-buliding-blocks The article contains the following contents:

Stereoselective dicarbofunctionalization of terminal aryl alkynes was achieved through reductive Ni-catalysis. The exclusive regioselective and anti-addition selective alkylarylation of terminal alkynes was accomplished using alkyl iodide and aryl iodide as electrophilic coupling partners in the presence of NiBr2 as the catalyst and Mn as an inexpensive reductant. In the experiment, the researchers used many compounds, for example, 4-Iodobenzaldehyde(cas: 15164-44-0Category: iodides-buliding-blocks)

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.Category: iodides-buliding-blocks

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

Hao, Hong-Yan; Lou, Shao-Jie; Wang, Shuang; Zhou, Kun; Wu, Qiu-Zi; Mao, Yang-Jie; Xu, Zhen-Yuan; Xu, Dan-Qian published their research in Chemical Communications (Cambridge, United Kingdom) in 2021. The article was titled 《Pd-catalysed β-selective C(sp3)-H arylation of simple amides》.Name: 4-Iodobenzaldehyde The article contains the following contents:

An efficient Pd-catalyzed β-C(sp3)-H arylation of diverse native amides with aryl iodides was developed. This protocol overcame the necessity of the Thorpe-Ingold effect and featured broad substrate scope and good functional group tolerance. The potential application of this protocol was collectively demonstrated by gram-scale synthesis and the synthesis of several bioactive mols. In addition to this study using 4-Iodobenzaldehyde, there are many other studies that have used 4-Iodobenzaldehyde(cas: 15164-44-0Name: 4-Iodobenzaldehyde) 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.Name: 4-Iodobenzaldehyde

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

In 2019,Chemical Communications (Cambridge, United Kingdom) included an article by Shiino, Keisuke; Miyake, Junpei; Miyatake, Kenji. Synthetic Route of C6H4ClI. The article was titled 《Highly stable polyphenylene ionomer membranes from dichlorobiphenyls》. The information in the text is summarized as follows:

A simple, cost-effective synthetic strategy for highly stable, proton conductive polyphenylene membranes is reported. The title polyphenylene ionomer (SPP-BP) is easily prepared from dichlorobenzenesulfonic acid and dichlorobiphenyls. The SPP-BP membrane with an optimized m-biphenylene/p-biphenylene ratio (i.e., 4 : 1) for a hydrophobic moiety exhibits outstanding chem. stability as well as high proton conductivity In the part of experimental materials, we found many familiar compounds, such as 1-Chloro-3-iodobenzene(cas: 625-99-0Synthetic Route of C6H4ClI)

1-Chloro-3-iodobenzene(cas: 625-99-0) belongs to organic iodides.Synthetic Route of C6H4ClI 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

In 2019,Acta Crystallographica, Section C: Structural Chemistry included an article by Lee, Sunhee; Kwak, Soyoung; Lee, Keumhee; Kim, Byung Gi; Kim, Minseong; Wang, Dong Hwan; Han, Won-Sik. COA of Formula: C7H7I. The article was titled 《Tuning the energy level of TAPC: crystal structure and photophysical and electrochemical properties of 4,4′-(cyclohexane-1,1-diyl)bis[N,N-bis(4-methoxyphenyl)aniline]》. The information in the text is summarized as follows:

The energy level of a hole-transporting material (HTM) in organic electronics, such as organic light-emitting diodes (OLEDs) and perovskite solar cells (PSCs), is important for device efficiency. In this regard, we prepared 4,4′-(cyclohexane-1,1-diyl)bis[N,N-bis(4-methoxyphenyl)aniline] (TAPC-OMe), C46H46N2O4, to tune the energy level of 4,4′-(cyclohexane-1,1-diyl)bis[N,N-bis(4-methylphenyl)aniline] (TAPC), which is a well-known HTM commonly used in OLED applications. A systematic characterization of TAPC-OMe, including 1H and 13C NMR, elemental anal., UV-Vis absorption, fluorescence emission, d. functional theory (DFT) calculations and single-crystal X-ray diffraction, was performed. TAPC-OMe crystallized in the triclinic space group P [inline formula omitted] , with two mols. in the asym. unit. The dihedral angles between the central amine triangular planes and those of the Ph groups varied from 26.56 (9) to 60.34 (8)° due to the steric hindrance of the central cyclohexyl ring. This arrangement might be induced by weak hydrogen bonds and C-H···π(Ph) interactions in the extended structure. The emission maxima of TAPC-OMe showed a significant bathochomic shift compared to that of TAPC. A strong dependency of the oxidation potentials on the nature of the electron-donating ability of substituents was confirmed by comparing oxidation potentials with known Hammett parameters (σ). The experimental process involved the reaction of 1-Iodo-4-methylbenzene(cas: 624-31-7COA of Formula: C7H7I)

1-Iodo-4-methylbenzene(cas: 624-31-7) undergoes Suzuki-Miyaura coupling reaction with phenylboronic acid catalyzed by (Ni,Mg)3Si2O5(OH)4 solid-solution nanotubes loaded with palladium.COA of Formula: C7H7I

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

In 2015,Gonzalez-de-Castro, Angela; Xiao, Jianliang published 《Green and Efficient: Iron-Catalyzed Selective Oxidation of Olefins to Carbonyls with O2》.Journal of the American Chemical Society published the findings.Related Products of 624-73-7 The information in the text is summarized as follows:

A mild and operationally simple iron-catalyzed protocol for the selective aerobic oxidation of aromatic olefins to carbonyl compounds is described. Catalyzed by a Fe(III) species bearing a pyridine bisimidazoline ligand at 1 atm of O2, α- and β-substituted styrenes were cleaved to afford benzaldehydes and aromatic ketones generally in high yields with excellent chemoselectivity and very good functional group tolerance, including those containing radical-sensitive groups. With α-halo-substituted styrenes, the oxidation took place with concomitant halide migration to afford α-halo acetophenones. Various observations have been made, pointing to a mechanism in which both mol. oxygen and the olefinic substrate coordinate to the iron center, leading to the formation of a dioxetane intermediate, which collapses to give the carbonyl product. Safety: all oxidation reactions should be carried out with caution due to potential fire and explosion hazards. The experimental process involved the reaction of 1,2-Diiodoethane(cas: 624-73-7Related Products of 624-73-7)

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

《Transition metal-free and regioselective vinylation of phosphine oxides and H-phosphinates with VBX reagents》 was written by Castoldi, Laura; Rajkiewicz, Adam A.; Olofsson, Berit. Formula: C7H5IO2This research focused onvinylation regioselective phosphine oxide phosphinate vinylbenziodoxolone reagent; alkenyl phosphine oxide phosphinate preparation chemoselective regioselective. The article conveys some information:

A series of phosphine oxides and H-phosphinates were vinylated in the presence of the iodine(III) reagents vinylbenziodoxolones (VBX), providing the corresponding alk-1-enyl phosphine oxides and alk-1-enyl phosphinates in good yields with complete chemo- and regioselectivity. The vinylation proceeds in open flask under mild and transition metal-free conditions. In the experimental materials used by the author, we found 2-Iodobenzoic acid(cas: 88-67-5Formula: C7H5IO2)

2-Iodobenzoic acid(cas: 88-67-5) 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: C7H5IO2 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

Synthetic Route of C6H4BrIIn 2020 ,《A Deep Blue B,N-Doped Heptacene Emitter That Shows Both Thermally Activated Delayed Fluorescence and Delayed Fluorescence by Triplet-Triplet Annihilation》 was published in Journal of the American Chemical Society. The article was written by Suresh, Subeesh Madayanad; Duda, Eimantas; Hall, David; Yao, Zhen; Bagnich, Sergey; Slawin, Alexandra M. Z.; Bassler, Heinz; Beljonne, David; Buck, Manfred; Olivier, Yoann; Kohler, Anna; Zysman-Colman, Eli. The article contains the following contents:

An easy-to-access, near-UV-emitting linearly extended B,N-doped heptacene with high thermal stability is designed and synthesized in good yields. This compound exhibits thermally activated delayed fluorescence (TADF) at ambient temperature from a multiresonant (MR) state and represents a rare example of a non-triangulene-based MR-TADF emitter. At lower temperatures triplet-triplet annihilation dominates. The compound simultaneously possesses narrow, deep-blue emission with CIE coordinates of (0.17, 0.01). While delayed fluorescence results mainly from triplet-triplet annihilation at lower temperatures in THF solution, where aggregates form upon cooling, the TADF mechanism takes over around room temperature in solution when the aggregates dissolve or when the compound is well dispersed in a solid matrix. The potential of our mol. design to trigger TADF in larger acenes is demonstrated through the accurate prediction of ΔEST using correlated wave-function-based calculations On the basis of these calculations, we predicted dramatically different optoelectronic behavior in terms of both ΔEST and the optical energy gap of two constitutional isomers where only the boron and nitrogen positions change. A comprehensive structural, optoelectronic, and theor. investigation is presented. In addition, the ability of the achiral mol. to assemble on a Au(111) surface to a highly ordered layer composed of enantiomorphic domains of racemic entities is demonstrated by scanning tunneling microscopy. After reading the article, we found that the author used 1-Bromo-3-iodobenzene(cas: 591-18-4Synthetic Route of C6H4BrI)

1-Bromo-3-iodobenzene(cas: 591-18-4) has been used in the preparation of 1-(3′-bromophenyl)-3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodec-1-ene and 1-(3′-bromophenyl)-3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooct-1-ene.Synthetic Route of C6H4BrI

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

Electric Literature of C6H5ClINIn 2022 ,《Photocatalytic Markovnikov-type addition and cyclization of terminal alkynes leading to 4-sulfonyl quinoline-2(1H)-ones》 was published in Chemical Communications (Cambridge, United Kingdom). The article was written by Zhai, Yu-Lin; Zhou, Hui; Liu, Qing-Quan; Leng, Bo-Rong; Zhang, Zixian; Li, Jia-Zhuo; Wang, De-Cai; Zhu, Yi-Long. The article contains the following contents:

A new and expedient photocatalytic protocol for the construction of quinolin-2(1H)-ones I [R1 = H, 6-Me, 7-Cl, etc.; R2 = Me, cyclohexyl, Bn, etc.; Ar = Ph, 4-MeC6H4, 2-thienyl, etc.] via Markovnikov-type sulfonylation/6-endo-trig cyclization/selective C(O)-CF3 bond cleavage starting from N-alkyl-N-(2-ethynylphenyl)-2,2,2-trifluoroacetamides and sulfinic acids had been developed. It was as an unprecedented protocol for the preparation of 4-sulfonylquinoline-2(1H)-ones with high efficiency, mild reaction conditions, acceptable yields and a wide range of substrates. In the part of experimental materials, we found many familiar compounds, such as 4-Chloro-2-iodoaniline(cas: 63069-48-7Electric Literature of C6H5ClIN)

4-Chloro-2-iodoaniline(cas: 63069-48-7) belongs to anime. Amines can be classified according to the nature and number of substituents on nitrogen. Aliphatic amines contain only H and alkyl substituents. Aromatic amines have the nitrogen atom connected to an aromatic ring.Important amines include amino acids, biogenic amines, trimethylamine, and aniline. Inorganic derivatives of ammonia are also called amines, such as monochloramine (NClH2).Electric Literature of C6H5ClIN

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

《Synthesis and characterization of novel soluble poly(arylene ether amide triphenylphosphine oxide)s by heterogeneous palladium-catalyzed carbonylation polymerization》 was written by Li, Jianying; Huang, Bin; Tang, Huali; Cai, Mingzhong. Reference of 3-Iodophenol And the article was included in Journal of Macromolecular Science, Part A: Pure and Applied Chemistry in 2020. The article conveys some information:

A new aromatic diiodide monomer, bis(4-(3-iodophenoxy)phenyl)phenylphosphine oxide (BIPPO), was prepared by condensation of bis(4-fluorophenyl)phenylphosphine oxide with 3-iodophenol. A series of poly(arylene ether amide triphenylphosphine oxide)s were synthesized via heterogeneous palladium-catalyzed carbonylative polycondensation of BIPPO, aromatic diamines, and carbon monoxide. Polymerization reaction proceeded smoothly in N,N-dimethylacetamide (DMAc) at 120°C with 1,8-diazabicyclo[5,4,0]-7-undecene (DBU) as the base by using the bidentate phosphino-modified magnetic nanoparticles-anchored palladium complex [2P-Fe3O4@SiO2-PdCl2] as a recyclable catalyst under 1 bar of CO, producing new poly(arylene ether amide triphenylphosphine oxide)s with inherent viscosities ranging from 0.69 to 0.76 dL/g. All the polymers obtained were easily soluble in strong polar aprotic organic solvents and even in less polar pyridine at room temperature, and provided transparent, flexible and tough films by casting from their DMAc solutions These polymers displayed good thermal stability with the glass transition temperatures ranging from 196 to 249°C, the temperatures at 5% weight loss ranging from 441 to 490°C in nitrogen. All the polymers were amorphous and their films showed good mech. behavior with tensile strengths of 78.5-91.6 MPa, tensile moduli of 2.15-2.69 GPa, and elongations at break of 9.8-14.6%. In addition to this study using 3-Iodophenol, there are many other studies that have used 3-Iodophenol(cas: 626-02-8Reference of 3-Iodophenol) was used in this study.

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.Reference of 3-IodophenolHalogenation of aromatic hydrocarbons is a very important reaction via an electrophilic aromatic substitution.

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