Author: Jessica.F

Tang, Jiaying; Ren, Linlin; Li, Jianwei; Wang, Yonggong; Hu, Dongyan; Tong, Xiaogang; Xia, Chengfeng published an article in 2022. The article was titled 《Photochemical Synthesis of Indolocarbazoles through Tandem Indolization/Dimerization/Mannich Cyclization from Allenes》, and you may find the article in Organic Letters.Category: iodides-buliding-blocks The information in the text is summarized as follows:

Disclosed herein was the photochem. synthesis of the indolocarbazole ring system from N-allenyl-2-iodoanilines. The tandem protocol included visible-light-mediated 5-exo-trig radical cyclization and subsequent radical dimerization, followed by acid-promoted deprotection and intramol. Mannich cyclization. This strategy showed exceptional functional group tolerance and was successfully applied in the concise synthesis of natural products tjipanazoles B and D. In the experiment, the researchers used many compounds, for example, 4-Chloro-2-iodoaniline(cas: 63069-48-7Category: iodides-buliding-blocks)

4-Chloro-2-iodoaniline(cas: 63069-48-7) belongs to anime. Halogenation, in which one or more hydrogen atoms of an amine is replaced by a halogen atom, occurs with chlorine, bromine, and iodine, as well as with some other reagents, notably hypochlorous acid (HClO). With primary amines the reaction proceeds in two stages, producing N-chloro- and N,N-dichloro-amines, RNHCl and RNCl2, respectively. With tertiary amines, an alkyl group may be displaced by a halogen.Category: iodides-buliding-blocks

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

In 2022,Leifert, Dirk; Weidlich, Frauke; Adler, Florin; Daniliuc, Constantin G.; Alasmary, Fatmah A.; Studer, Armido published an article in Organic Letters. The title of the article was 《2,3-Difunctionalized Indoles via Radical Acylation or Trifluoromethylation of ortho-Alkynylphenyl Isonitriles》.SDS of cas: 63069-48-7 The author mentioned the following in the article:

A radical cascade to 2,3-disubstituted indoles proceeding via acylation or trifluoromethylation of ortho-alkynylphenyl isonitriles was presented. In these cascades, two C-C bonds and one C-O bond was formed using an inexpensive oxidant and a catalytic copper or iron salt. The starting isonitriles were easily accessible, and com. available aldehydes and fluoromethylation reagents served as reaction partners. Functional group tolerance was high, as documented by the successful preparation of a series of 2,3-disubstituted indoles.4-Chloro-2-iodoaniline(cas: 63069-48-7SDS of cas: 63069-48-7) was used in this study.

4-Chloro-2-iodoaniline(cas: 63069-48-7) belongs to anime. Amine, any member of a family of nitrogen-containing organic compounds that is derived, either in principle or in practice, from ammonia (NH3). Naturally occurring amines include the alkaloids, which are present in certain plants; the catecholamine neurotransmitters (i.e., dopamine, epinephrine, and norepinephrine); and a local chemical mediator, histamine, that occurs in most animal tissues.SDS of cas: 63069-48-7

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

In 2022,Dong, Weizhe; Yen-Pon, Expedite; Li, Longbo; Bhattacharjee, Ayan; Jolit, Anais; Molander, Gary A. published an article in Nature Chemistry. The title of the article was 《Exploiting the sp2 character of bicyclo[1.1.1]pentyl radicals in the transition-metal-free multi-component difunctionalization of [1.1.1]propellane》.Product Details of 15854-87-2 The author mentioned the following in the article:

Strained bicyclic substructures are increasingly relevant in medicinal chem. discovery research because of their role as bioisosteres. Over the last decade, the successful use of bicyclo[1.1.1]pentane (BCP) as a para-disubstituted benzene replacement has made it a highly valuable pharmacophore. However, various challenges, including limited and lengthy access to useful BCP building blocks, are hampering early discovery research. Here authors report a single-step transition-metal-free multi-component approach to synthetically versatile BCP boronates. Radicals derived from commonly available carboxylic acids and organo halides perform additions onto [1.1.1]propellane to afford BCP radicals, which then engage in polarity-matched borylation. A wide array of alkyl-, aryl- and alkenyl-functionalized BCP boronates were easily prepared Late-stage functionalization performed on natural products and approved drugs proceeded with good efficiency to generate the corresponding BCP conjugates. Various photoredox transformations forging C-C and C-N bonds were demonstrated by taking advantage of BCP trifluoroborate salts derived from the BCP boronates. The experimental process involved the reaction of 4-Iodopyridine(cas: 15854-87-2Product Details of 15854-87-2)

4-Iodopyridine(cas: 15854-87-2) belongs to pyridine. Pyridine’s structure is isoelectronic with that of benzene, but its properties are quite different. Pyridine is completely miscible with water, whereas benzene is only slightly soluble. Like all hydrocarbons, benzene is neutral (in the acid–base sense), but because of its nitrogen atom, pyridine is a weak base.Product Details of 15854-87-2

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

In 2022,Zhang, Lin-Bao; Xie, Zuowei published an article in Organic Letters. The title of the article was 《Iridium-Catalyzed Selective B(4)-H Acylmethylation of o-Carboranes with Sulfoxonium Ylides》.Quality Control of Trimethylsulfoxonium iodide The author mentioned the following in the article:

A highly efficient Ir-catalyzed regioselective cage B(4)-H acylmethylation of o-carboranyl acids using sulfoxonium ylides as alkylating regents was developed, giving a large class of B(4)-acylmethylated o-carboranes in good to excellent yields with a broad substrate scope under redox neutral condition. The -COOH moiety serves as the traceless directing group and controls both the regioselectivity and monoselectivity. The experimental process involved the reaction of Trimethylsulfoxonium iodide(cas: 1774-47-6Quality Control 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.Quality Control of Trimethylsulfoxonium iodide

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

In 2022,Bai, Xingfeng; Zheng, Wenrui; Ge, Shaozhong; Lu, Yixin published an article in Organic Letters. The title of the article was 《Enantioselective Palladium-Catalyzed Arylborylation/Cyclization of Alkenes to Access Boryl-Functionalized Heterocyclic Compounds Containing Quaternary Stereogenic Centers》.Computed Properties of C6H5ClIN The author mentioned the following in the article:

Asym. Pd-catalyzed arylboration/cyclization of both nonactivated and activated alkenes with B2pin2 was developed. A wide range of N-allyl-o-iodobenzamides and o-iodoacryanilides reacted with B2pin2 to afford borylated 3,4-dihydroisoquinolinones and oxindoles, resp., in high yields with high enantioselectivities. The synthetic utility of this enantioselective protocol was highlighted by synthesizing various chiral 3,4-dihydroisoquinolinone and oxindole derivatives containing quaternary stereogenic C centers, including enantioenriched Roche anticancer agent (S)-RO4999200 (no study). In the part of experimental materials, we found many familiar compounds, such as 4-Chloro-2-iodoaniline(cas: 63069-48-7Computed Properties of C6H5ClIN)

4-Chloro-2-iodoaniline(cas: 63069-48-7) belongs to anime. Reduction of nitro compounds, RNO2, by hydrogen or other reducing agents produces primary amines cleanly (i.e., without a mixture of products), but the method is mostly used for aromatic amines because of the limited availability of aliphatic nitro compounds. Reduction of nitriles and oximes (R2C=NOH) also yields primary amines.Computed Properties of C6H5ClIN

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

In 2022,Forni, Jose A.; Gandhi, Vir H.; Polyzos, Anastasios published an article in ACS Catalysis. The title of the article was 《Carbonylative Hydroacylation of Styrenes with Alkyl Halides by Multiphoton Tandem Photoredox Catalysis in Flow》.Related Products of 301673-14-3 The author mentioned the following in the article:

The photocatalytic carbonylative hydroacylation of styrenes (R1)R2C=CH2 (R1 = H, Ph, Me, Et; R2 = Ph, naphthalen-2-yl, pyridin-2-yl, thiophen-2-yl, etc.) with inactivated alkyl halides RX (R = Cyclohexyl, cyclopentyl, n-Bu, i-Pr, etc.; X = Br, I) was reported. This protocol unifies the visible-light multiphoton catalytic cycle of [Ir(ppy)2(dtb-bpy)]+ with flow chem. to engage energy-demanding alkyl bromides and iodides at moderate pressures of carbon monoxide. The mild and practical methodol. was employed to prepare a diverse array of 43 unsym. dialkyl ketones RC(O)CH2CH(R1)R2 from primary, secondary, and tertiary inactivated alkyl halides. The application of flow chem. technol. to achieve spatially resolved chemoselectivity and broad functional group tolerance for the mild generation of functionalized C(sp3)-rich ketone products was demonstrated. The experimental process involved the reaction of tert-Butyl 4-iodopiperidine-1-carboxylate(cas: 301673-14-3Related Products of 301673-14-3)

tert-Butyl 4-iodopiperidine-1-carboxylate(cas: 301673-14-3) 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 301673-14-3

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

In 2022,Hosseinzadeh, Rahman; Aghili, Nora; Mavvaji, Mohammad published an article in Polyhedron. The title of the article was 《Synthesis and characterization of nano-cellulose immobilized phenanthroline-copper (I) complex as a recyclable and efficient catalyst for preparation of diaryl ethers, N-aryl amides and N-aryl heterocycles》.HPLC of Formula: 589-87-7 The author mentioned the following in the article:

Functionalized nanocellulose was prepared and employed for immobilization of phenanthroline-copper(I) complex to afford cellulose nanofibril grafted heterogeneous copper catalyst [CNF-phen-Cu(I)]. The activities of the synthesized catalyst were examined in the synthesis of diaryl ethers RC6H4OR1 (R = H, 4-Me, 4-Br, 4-NO2, etc.; R1 = Ph, 4-methylphenyl, 2-naphthyl, etc.) via C-O cross-coupling of phenols R1OH and aryl iodides RC6H4X (X = I, Br), as well as, the preparation of N-aryl amides/N-aryl heterocycles R2C6H4R3 (R2 = Ph, 1-naphthyl, 4-bromophenyl, etc.; R3 = benzoylamino, acetylamino, 1H-indol-1-yl, etc.) through C-N cross-coupling of amides/N-H heterocyclic compounds R3H with aryl halides R2C6H4X (X = I, Br). In this trend, various substrates containing electron-donating and electron-withdrawing groups were exploited to evaluate the generality of this catalytic protocol. Accordingly, the catalyst demonstrated remarkable catalytic efficiency for both C-N and C-O cross-coupling reactions, thereby resulting in good to excellent yields of the desired products. Furthermore, the recoverability experiments of the catalyst showed that it can be readily retrieved by simple filtration and successfully reused several times with negligible loss of its catalytic activity. In the experiment, the researchers used 1-Bromo-4-iodobenzene(cas: 589-87-7HPLC of Formula: 589-87-7)

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,dibromostyrenesHPLC of Formula: 589-87-7

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

In 2022,Dong, Zhenhua; Pan, Hongguo; Gao, Pengwei; Xiao, Yongmei; Fan, Lulu; Chen, Jing; Wang, Wentao published an article in Catalysis Letters. The title of the article was 《Palladium Immobilized on a Polyimide Covalent Organic Framework: An Efficient and Recyclable Heterogeneous Catalyst for the Suzuki-Miyaura Coupling Reaction and Nitroarene Reduction in Water》.Recommanded Product: 1-Chloro-3-iodobenzene The author mentioned the following in the article:

An efficient and recyclable Pd nano-catalyst was developed via immobilization of Pd nanoparticles on polyimide linked covalent organic frameworks (PCOFs) that was facilely prepared through condensation of melamine and 3,3′,4,4′-biphenyltetracarboxylic dianhydride. The Pd nanoparticles (Pd NPs) catalyst was thoroughly characterized by FT-IR, XRD, SEM, TEM. Furthermore, the catalytic activity of Pd NPs catalyst was evaluated by Suzuki-Miyaura coupling reaction and nitroarene reduction in water, resp. The excellent yields of corresponding products revealing revealed that the Pd NPs catalyst could be applied as an efficient and reusable heterogeneous catalyst for above two reactions. In addition to this study using 1-Chloro-3-iodobenzene, there are many other studies that have used 1-Chloro-3-iodobenzene(cas: 625-99-0Recommanded Product: 1-Chloro-3-iodobenzene) was used in this study.

1-Chloro-3-iodobenzene(cas: 625-99-0) belongs to 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.Recommanded Product: 1-Chloro-3-iodobenzene

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

Safety of 1-Iodo-4-methylbenzeneIn 2019 ,《A tailored polymeric cationic tag-anionic Pd(II) complex as a catalyst for the low-leaching Heck-Mizoroki coupling in flow and in biomass-derived GVL》 appeared in Green Chemistry. The author of the article were Mahmoudi, Hamed; Valentini, Federica; Ferlin, Francesco; Bivona, Lucia Anna; Anastasiou, Ioannis; Fusaro, Luca; Aprile, Carmela; Marrocchi, Assunta; Vaccaro, Luigi. The article conveys some information:

The [PdCl4]2- palladium complex was immobilized on a polystyrene-type resin loaded with pincer-type imidazolium ionic tag binding sites. The catalytic system (Pd(II)-POLI-TAG) has proved to be highly active in the definition of an efficient protocol for the Heck-Mizoroki coupling reaction under batch and flow conditions. Importantly, it is shown to be highly robust in combination with a safe non-toxic reaction medium, i.e. biomass-derived GVL, since it could be reused for multiple runs without significantly losing its activity.1-Iodo-4-methylbenzene(cas: 624-31-7Safety of 1-Iodo-4-methylbenzene) was used in this study.

1-Iodo-4-methylbenzene(cas: 624-31-7) is used in wide range of medicals industrial applications as well as in pharmaceutical intermediates, polarizing films for Liquid Crystal Display (LCD) chemicals.Safety of 1-Iodo-4-methylbenzene

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

Formula: C4H4INO2In 2019 ,《1,2-trans Glycosylation via Neighboring Group Participation of 2-O-Alkoxymethyl Groups: Application to One-Pot Oligosaccharide Synthesis》 was published in Organic Letters. The article was written by Karak, Milandip; Joh, Yohei; Suenaga, Masahiko; Oishi, Tohru; Torikai, Kohei. The article contains the following contents:

The use of 2-O-alkoxymethyl groups as effective stereo-directing substituents for the construction of 1,2-trans glycosidic linkages is reported. The observed stereoselectivity arises from the intramol. formation of a five-membered cyclic architecture between the 2-O-alkoxymethyl substituent and the oxocarbenium ion, which provides the expected facial selectivity. Furthermore, the observed stereocontrol and the extremely high reactivity of 2-O-alkoxymethyl-protected donors allowed development of a one-pot sequential glycosylation strategy that should become a powerful tool for the assembly of oligosaccharides. The results came from multiple reactions, including the reaction of 1-Iodopyrrolidine-2,5-dione(cas: 516-12-1Formula: C4H4INO2)

1-Iodopyrrolidine-2,5-dione(cas: 516-12-1) is used in the preparation of vinyl sulfones from olefins and benzenesulfinic acid. It acts as a source for I+ and involved in Hunsdiecker reactions for the conversion of cinnamic acids, and propiolic acids to the corresponding alfa-halostyrenes and 1-halo-1-alkynes respectively. Formula: C4H4INO2

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