Tag: 200-300

Quality Control of 1-Bromo-3-iodobenzeneIn 2019 ,《Shape-Persistent π-Conjugated Macrocycles with Aggregation-Induced Emission Property: Synthesis, Mechanofluorochromism, and Mercury(II) Detection》 was published in ACS Applied Materials & Interfaces. The article was written by Liu, Yi; Lin, Fa Xu; Feng, Yang; Liu, Xiaoqing; Wang, Lei; Yu, Zhen-Qiang; Tang, Ben Zhong. The article contains the following contents:

Shape-persistent conjugated macrocycles are fundamentally important because of their unique structure and properties. Herein, a series of π-conjugated macrocycles with a shape-persistent architecture, an adaptive backbone, and aggregation-induced emission (AIE) properties are synthesized via oxidative coupling of acetylene-terminated tetraphenylethylene precursor with a half-ring topol. and following transformation from butadiynylene linkers into thienylene ones. Characterization by NMR spectroscopy and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry provided unambiguous proofs for the macrocyclic structures. In particular, the free rotation of aromatic rings in the rigid macrocyclic backbone was validated by two-dimensional NMR spectroscopy, variable-temperature NMR measurements, and theor. calculations Moreover, these shape-persistent macrocyclic chromophores all exhibited obvious AIE phenomena and remarkable mechanofluorochromism behaviors with a red-shifted luminescence upon grinding and blue-shifted emission after solvent annealing. Also, the introduction of S atoms into the macrocyclic frameworks endowed the macrocyclic luminogen the capability to selectively detect mercury(II) ions in aqueous media among other metal ions. The experimental process involved the reaction of 1-Bromo-3-iodobenzene(cas: 591-18-4Quality Control of 1-Bromo-3-iodobenzene)

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.Quality Control of 1-Bromo-3-iodobenzene

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

HPLC of Formula: 63069-48-7In 2021 ,《Cu(I)- and Au(I)-catalyzed regioselective oxidation of diynes: divergent synthesis of N-heterocycles》 appeared in Organic Chemistry Frontiers. The author of the article were Shen, Wen-Bo; Zhang, Ting-Ting; Zhang, Meng; Wu, Jing-Jing; Jiang, Xiao-Lei; Ru, Guang-Xin; Gao, Guang-Qin; Zhu, Xiu-Hong. The article conveys some information:

Catalyst-dependent oxidative cyclization of diynes 2-NH(C(O)R4)-4-R3C6H3CCCH2N(R2)CC(R1) [R1 = Ph, 2-phenylethenyl, thiophen-3-yl, etc.; R2 = Ts, Bs, Ms, benzenesulfonyl; R3 = H, Me, Cl, Br; R4 =Me, Ac, Bz, 4-fluorophenyl, etc.]/(R2)N(CH2CCR5)CCAr [R5 = Me, Et, pentyl, 3-phenylpropyl; Ar = Ph, 4-(trifluoromethyl)phenyl, 3,5-dichlorophenyl, etc.] with 3,5-dichloropyridine N-oxide is achieved using an amide directing group. Non-polarized and aminated alkyne could be selectively activated by copper and gold, thus leading to divergent synthesis of a range of pyrroles I and dihydroindeno[1,2-c]pyrrol-3(2H)-ones II (R6 = H, Cl, Me; R7 = H, Me, F, CF3, etc.; R8 = H, Cl, Me, etc.). It should be noted that this difference might be attributed to the multicoordinated Cu center and the linearly aligned dicoordinated Au center. The results came from multiple reactions, including the reaction of 4-Chloro-2-iodoaniline(cas: 63069-48-7HPLC of Formula: 63069-48-7)

4-Chloro-2-iodoaniline(cas: 63069-48-7) belongs to anime. Milder oxidation, using reagents such as NaOCl, can remove four hydrogen atoms from primary amines of the type RCH2NH2 to form nitriles (R―C≡N), and oxidation with reagents such as MnO2 can remove two hydrogen atoms from secondary amines (R2CH―NHR′) to form imines (R2C=NR′). Tertiary amines can be oxidized to enamines (R2C=CHNR2) by a variety of reagents.HPLC of Formula: 63069-48-7

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

SDS of cas: 1774-47-6In 2021 ,《Synthesis of Pyrazolo[1,2-a]cinnolines via Rhodium(III)-Catalyzed [4+2] Annulation Reactions of Pyrazolidinones with Sulfoxonium Ylides》 appeared in Advanced Synthesis & Catalysis. The author of the article were Hu, Shulei; Han, Xu; Xie, Xiong; Fang, Feifei; Wang, Yong; Saidahmatov, Abdusaid; Liu, Hong; Wang, Jiang. The article conveys some information:

A method to synthesize pyrazolo[1,2-a]cinnolines via rhodium(III)-catalyzed C-H activation of pyrazolidinones and subsequent [4+2] annulation of sulfoxonium ylides was developed. 5-Substituted or 5,10-disubstituted pyrazolo[1,2-a]cinnolines could be obtained by slightly adjusting the reaction conditions. Gram-scale synthesis and practical transformations proved the practicability of this method. The mechanism of this method was proposed in the article on the basis of preliminary mechanistic results and previous reports. This method features simplified operation, metal-oxidant free, and readily available reactants. In the experiment, the researchers used Trimethylsulfoxonium iodide(cas: 1774-47-6SDS of cas: 1774-47-6)

Trimethylsulfoxonium iodide(cas: 1774-47-6) reacts with sodium hydride to prepare dimethyloxosulfonium methylide, which is used as a methylene-transfer reagent in synthetic chemistry. It is used to prepare ylide, which reacts with carbonyl compounds to get epoxides. Further, it reacts with alfa,beta-unsaturated esters to get cyclopropyl esters.SDS of cas: 1774-47-6

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

The author of 《meso-Bis(ethynyl) Versus meso-Bis(aryl) Calix[4]pyrroles: Dimensionally Well-Modulated Receptors That Can Regulate the Anion Binding Domains》 were Dutta, Ranjan; Samala, Srinivas; Jo, Hongil; Ok, Kang Min; Lee, Chang-Hee. And the article was published in Journal of Organic Chemistry in 2019. COA of Formula: C5H4IN The author mentioned the following in the article:

Meso-Substituted calix[4]pyrroles 2-6 containing a direct meso-ethynyl linker displayed high binding affinities and unique conformational features on halide anion binding. A general conformational bias for the equatorial alignments of the meso-(aryl)ethynyl groups was observed in the host-halide complexes which was attributed to the repulsive anion-alkyne interactions and released steric strain. Such conformational features of host-halide complexes persisted even in the case of calix[4]pyrrole 6 bearing cationic meso components, which displayed the highest binding affinity for chloride anions among known meso-aryl calix[4]pyrroles. Synthetic details, conformational features, and comparative halide anion binding properties of this series of calix[4]pyrroles are described. In the part of experimental materials, we found many familiar compounds, such as 4-Iodopyridine(cas: 15854-87-2COA of Formula: 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.COA of Formula: C5H4IN

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

In 2019,Materials Research Express included an article by Behrouzi, Leila; Bagheri, Robabeh; Song, Zhenlun; Kazemi, Foad; Kaboudin, Babak; Najafpour, Mohammad Mahdi. COA of Formula: C7H5IO. The article was titled 《Oxidation of alkylarenes by modified graphite》. The information in the text is summarized as follows:

Herein, an electrochem. method had introduced and developed for the selective benzylic oxidation of alkylarenes. This work utilized a simple redox mediator system, N-hydroxyphthalimide (NHPI), with an inexpensive and innovatory modified graphite and nickel-based electrode using undivided cell setups to the selective oxidation of alkylarenes toward the aldehyde and ketone production Since, the selective oxidation of alkylarenes toward aldehyde formation (in the aerobic conditions) was a prominent challenge, our method for alkylarenes oxidation with high yield and selectivity in the presence of oxygen under mild and metal free conditions was promising. In the experiment, the researchers used many compounds, for example, 4-Iodobenzaldehyde(cas: 15164-44-0COA of Formula: 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.COA of Formula: C7H5IO

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

In 2019,Chemistry – A European Journal included an article by Hornum, Mick; Stendevad, Julie; Sharma, Pawan K.; Kumar, Pawan; Nielsen, Rasmus B.; Petersen, Michael; Nielsen, Poul. Safety of Trimethylsulfoxonium iodide. The article was titled 《Base-Pairing Properties of Double-Headed Nucleotides》. The information in the text is summarized as follows:

Nucleotides that contain two nucleobases (double-headed nucleotides) have the potential to condense the information of two sep. nucleotides into one. This presupposes that both bases must successfully pair with a cognate strand. Here, double-headed nucleotides that feature cytosine, guanine, thymine, adenine, hypoxanthine, and diaminopurine linked to the C2′-position of an arabinose scaffold were developed and examined in full detail. These monomeric units were efficiently prepared by convergent synthesis and incorporated into DNA oligonucleotides by means of the automated phosphoramidite method. Their pairing efficiency was assessed by UV-based melting-temperature anal. in several contexts and extensive mol. dynamics studies. Altogether, the results show that these double-headed nucleotides have a well-defined structure and invariably behave as functional dinucleotide mimics in DNA duplexes. In the experimental materials used by the author, we found Trimethylsulfoxonium iodide(cas: 1774-47-6Safety of Trimethylsulfoxonium iodide)

Trimethylsulfoxonium iodide(cas: 1774-47-6) reacts with sodium hydride to prepare dimethyloxosulfonium methylide, which is used as a methylene-transfer reagent in synthetic chemistry. It is used to prepare ylide, which reacts with carbonyl compounds to get epoxides. Further, it reacts with alfa,beta-unsaturated esters to get cyclopropyl esters.Safety of Trimethylsulfoxonium iodide

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

In 2019,Organic & Biomolecular Chemistry included an article by Li, Hongfang; Li, Tao; Hsueh, Yu Jen; Wu, Xue; Xu, Feng; Zhang, Yong Jian. Recommanded Product: 90-14-2. The article was titled 《Tandem arylation and regioselective allylic etherification of 2,3-allenol via Pd/B cooperative catalysis》. The information in the text is summarized as follows:

An efficient method for the construction of arylated allylic ethers ArC(=CH2)CH(OR)CH2OH (Ar = Ph, 2H-1,3-benzodioxol-5-yl, thiophen-2-yl, etc.; R = Et, Bn, cyclohexylmethyl, furan-2-ylmethyl, etc.) was developed via three-component tandem arylation and allylic etherification of 2,3-allenol with aryl iodides ArI and alcs ROH. In the cooperative catalytic system of a palladium complex and triethylborane, the process allows rapid access to functionalized 1-arylvinylated 1,2-diol derivatives in good to high yields with complete branch-selectivities. The synthetic utility of the present process was demonstrated by the late-stage functionalization of a drug mol., the gram-scale synthesis and the elaboration of the products. In the experiment, the researchers used many compounds, for example, 1-Iodonaphthalene(cas: 90-14-2Recommanded Product: 90-14-2)

1-Iodonaphthalene(cas: 90-14-2) is one of organic iodides. Organic iodides are used in veterinary products (Organic Iodide Powder) as a nutritional source of iodine. 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. Oceanic alkyl iodides are believed to be the principal source of atmospheric iodine.Recommanded Product: 90-14-2

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

In 2019,Journal of Organic Chemistry included an article by Zhi, Man-Ling; Chen, Bing-Zhi; Deng, Wei; Chu, Xue-Qiang; Loh, Teck-Peng; Shen, Zhi-Liang. Reference of 4-Iodobenzaldehyde. The article was titled 《Preparation of Alkyl Indium Reagents by Iodine-Catalyzed Direct Indium Insertion and Their Applications in Cross-Coupling Reactions》. The information in the text is summarized as follows:

Alkylindium reagents were generated in situ by direct metalation of primary alkyl iodides and bromides and cyclohexyl iodide with indium metal in the presence of iodine in THF (for alkyl iodides) or N,N-dimethylacetamide (for alkyl bromides). Palladium-catalyzed coupling of the alkylindium reagents with aryl iodides and selected aryl bromides and chlorides yielded arenes. In the experiment, the researchers used 4-Iodobenzaldehyde(cas: 15164-44-0Reference of 4-Iodobenzaldehyde)

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.Reference of 4-Iodobenzaldehyde

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

In 2018,Ali, Safaa H.; Deacon, Glen B.; Junk, Peter C.; Hamidi, Shima; Wiecko, Michal; Wang, Jun published 《Lanthanoid Pseudo-Grignard Reagents: A Major Untapped Resource》.Chemistry – A European Journal published the findings.Recommanded Product: 624-73-7 The information in the text is summarized as follows:

Pseudo-Grignard reagents PhLnI (Ln = Yb, Eu), readily prepared by the oxidative addition of iodobenzene to Yb or Eu metal at -78° in THF or 1,2-dimethoxyethane (DME), react with a range of bulky N,N’-bis(aryl)formamidines to generate an extensive series of LnII or more rarely LnIII complexes, [Eu(DippForm)I(THF)4]·THF (1), [{EuI2(dme)2}2] (2), [Eu(XylForm)I(dme)2]·0.5 dme (3a), [Eu(XylForm)I(dme)(μ-dme)]n (3b), [{Eu(XylForm)I(μ-OH)(THF)2}2] (4), [Yb(DippForm)I(THF)3]·THF (5 a), [Yb(DippForm)I2(THF)3]·2 THF (5 b), [{Yb(MesForm)I(THF)2}2] (6), [{Yb(XylForm)I(THF)2}2] (7a), and [Yb(XylForm)2I(dme)]·dme (7b) {Form = ArNCHNAr; XylForm (Ar = 2,6-Me2C6H3), MesForm (Ar = 2,4,6-Me3C6H2), DippForm (Ar = 2,6-iPr2C6H3)}. Reaction of PhEuI and MesFormH in DME consistently gave 2, and reaction with XylFormH in THF gave 4. Eu complexes 1 and 3a are seven-coordinate divalent monomers, while 3b is a seven-coordinate dme-bridged polymer. Complex 5a of the smaller YbII is a six-coordinate monomer, but the related 6 and 7a are six-coordinate iodide-bridged dimers. 4 Is a trivalent seven-coordinate hydroxide-bridged dimer, whereas complexes 5b and 7b are seven-coordinate monomeric YbIII derivatives A characteristic structural feature is that iodide ligands are cisoid to the formamidinate ligand. To illustrate the synthetic scope of the pseudo-Grignard reagents, [Yb(Ph2pz)I(THF)4] (Ph2pz = 3,5-diphenylpyrazolate) was oxidized with 1,2-diiodoethane to afford seven-coordinate monomeric pyrazolato-Yb(III) iodide [Yb(Ph2Pz)I2(THF)3] (8) in high yield, while metathesis between [Yb(Ph2pz)I(THF)4] and NaCp gave [Yb(C5H5)(Ph2pz)(THF)]n (9), a nine-coordinate η5:η5-Cp-bridged coordination polymer. Reaction of the pseudo-Grignard reagent MeYbI with KN(SiMe3)2 gave [K(dme)4][Yb{N(SiMe3)2}3] (10) with a charge-separated three-coordinate homoleptic [Yb{N(SiMe3)2}3]- anion, a complex that could be obtained in high yield by deliberate synthesis from YbI2 and KN(SiMe3)2 in DME. In addition to this study using 1,2-Diiodoethane, there are many other studies that have used 1,2-Diiodoethane(cas: 624-73-7Recommanded Product: 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.Recommanded Product: 624-73-7

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

In 2017,Ito, Masahiro; Tanaka, Toshio; Cary, Douglas R.; Iwatani-Yoshihara, Misa; Kamada, Yusuke; Kawamoto, Tomohiro; Aparicio, Samuel; Nakanishi, Atsushi; Imaeda, Yasuhiro published 《Discovery of Novel 1,4-Diacylpiperazines as Selective and Cell-Active eIF4A3 Inhibitors》.Journal of Medicinal Chemistry published the findings.Reference of 1,2-Diiodoethane The information in the text is summarized as follows:

Eukaryotic initiation factor 4A3 (eIF4A3), a member of the DEAD-box RNA helicase family, is one of the core components of the exon junction complex (EJC). The EJC is known to be involved in a variety of RNA metabolic processes typified by nonsense-mediated RNA decay (NMD). In order to identify mol. probes to investigate the functions and therapeutic relevance of eIF4A3, a search for selective eIF4A3 inhibitors was conducted. Through the chem. optimization of 1,4-diacylpiperazine derivatives identified via high-throughput screening (HTS), we discovered the first reported selective eIF4A3 inhibitor 53a exhibiting cellular NMD inhibitory activity. A surface plasmon resonance (SPR) biosensing assay ascertained the direct binding of 53a and its analog 52a to eIF4A3 and revealed that the binding occurs at a non-ATP binding site. Compounds 52a and 53a represent novel mol. probes for further study of eIF4A3, the EJC, and NMD. The experimental part of the paper was very detailed, including the reaction process of 1,2-Diiodoethane(cas: 624-73-7Reference of 1,2-Diiodoethane)

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.Reference of 1,2-Diiodoethane

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