Author: Jessica.F

Unnava, Ramanjaneyulu; Chahal, Kapil; Reddy, Kallu Rajender published their research in Organic & Biomolecular Chemistry in 2021. The article was titled 《Synthesis of substituted 1,2-dihydroisoquinolines via Ni(II) and Cu(I)/Ag(I) catalyzed double nucleophilic addition of arylamines to ortho-alkynyl donor-acceptor cyclopropanes (o-ADACs)》.Synthetic Route of C3H9IOS The article contains the following contents:

A concise approach for the synthesis of substituted 1,2-dihydroisoquinolines via double nucleophilic addition of primary arylamines to ortho-alkynyl donor-acceptor cyclopropanes (o-ADACs) in the presence of a catalytic Ni(ClO4)2·6H2O and CuI/AgOTf system has been developed. Further applying this protocol, some of the derived malonates were converted into the corresponding monoesters under Krapcho decarboxylation reaction conditions. Thereafter, these esters were transformed into the resp. acids and alcs. In addition, multifunctionalized 4-(2,2,2-trifluoroacetyl) 1,2-dihydroisoquinolines were also obtained with excess TFAA. The experimental process involved the reaction of Trimethylsulfoxonium iodide(cas: 1774-47-6Synthetic Route of C3H9IOS)

Trimethylsulfoxonium iodide(cas: 1774-47-6) is a sulfoxonium salt. It is used to generate dimethyloxosulfonium methylide by reaction with sodium hydride. The latter compound is used as a methylene-transfer reagent, and is used to prepare epoxides.Synthetic Route of C3H9IOS

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

Salerno, Silvia; Amendola, Giorgio; Angeli, Andrea; Baglini, Emma; Barresi, Elisabetta; Marini, Anna Maria; Ravichandran, Rahul; Viviano, Monica; Castellano, Sabrina; Novellino, Ettore; Da Settimo, Federico; Supuran, Claudiu T.; Cosconati, Sandro; Taliani, Sabrina published an article in 2021. The article was titled 《Inhibition studies on carbonic anhydrase isoforms I, II, IV and IX with N-arylsubstituted secondary sulfonamides featuring a bicyclic tetrahydroindazole scaffold》, and you may find the article in European Journal of Medicinal Chemistry.Quality Control of 1-Chloro-3-iodobenzene The information in the text is summarized as follows:

Synthesis of a set of new bicyclic tetrahydroindazoles featuring a secondary sulfonamide I [R1 = H, Me, C6H5; R2 = H, Me: R3 = H, 3-Me, 4-Cl, etc.] were described. Biol. evaluation of the inhibitory activity against the hCA I, II, IV, and IX isoforms allowed drawing a structure-activity relationship profile that was rationalized through theor. studies. The new mols. I into the single portions influencing the zinc chelation properties and the selectivity profile thereby which offerred a new platform for the discovery of new isotype selective CA inhibitors. In the part of experimental materials, we found many familiar compounds, such as 1-Chloro-3-iodobenzene(cas: 625-99-0Quality Control of 1-Chloro-3-iodobenzene)

1-Chloro-3-iodobenzene(cas: 625-99-0) belongs to organic iodides.Quality Control of 1-Chloro-3-iodobenzene 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

Qin, Yangzhong; Sun, Rui; Gianoulis, Nikolas P.; Nocera, Daniel G. published an article in 2021. The article was titled 《Photoredox Nickel-Catalyzed C-S Cross-Coupling: Mechanism, Kinetics, and Generalization》, and you may find the article in Journal of the American Chemical Society.Computed Properties of C7H7I The information in the text is summarized as follows:

Photoredox-mediated nickel-catalyzed cross-couplings have evolved as a new effective strategy to forge carbon-heteroatom bonds that are difficult to access with traditional methods. Exptl. mechanistic studies are challenging because these reactions involve multiple highly reactive intermediates and perplexing reaction pathways, engendering competing, but unverified, proposals for substrate conversions. Here, we report a comprehensive mechanistic study of photoredox nickel-catalyzed C-S cross-coupling based on time-resolved transient absorption spectroscopy, Stern-Volmer quenching, and quantum yield measurements. We have (i) discovered a self-sustained productive Ni(I/III) cycle leading to a quantum yield Φ > 1; (ii) found that pyridinium iodide, formed in situ, serves as the dominant quencher for the excited state photocatalyst and a critical redox mediator to facilitate the formation of the active Ni(I) catalyst; and (iii) observed critical intermediates and determined the rate constants associated with their reactivity. Not only do the findings reveal a complete reaction cycle for C-S cross-coupling, but the mechanistic insights have also allowed for the reaction efficiency to be optimized and the substrate scope to be expanded from aryl iodides to include aryl bromides, thus broadening the applicability of photoredox C-S cross-coupling chem. The experimental part of the paper was very detailed, including the reaction process of 1-Iodo-4-methylbenzene(cas: 624-31-7Computed Properties of C7H7I)

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.Computed Properties of C7H7I

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

Guo, Zhonglin; Zhou, Pan; Song, Hongjian; Liu, Yuxiu; Zhang, Jingjing; Li, Yongqiang; Wang, Qingmin published an article in 2021. The article was titled 《Design, Synthesis, and Bioactivities of Phthalide and Coumarin Derivatives Based on the Biosynthesis and Structure Simplification of Gossypol》, and you may find the article in Journal of Agricultural and Food Chemistry.Name: 2-Iodobenzoic acid The information in the text is summarized as follows:

Because gossypol and hemigossypol show antiviral activity but are structurally complex, we designed and synthesized a series of structurally simpler phthalide and coumarin derivatives The phthalide derivatives were synthesized by opening the naphthalene ring of hemigossypol, and the coumarin derivatives were synthesized by ring-opening reactions of the phthalide derivatives with the goal of investigating the effect of the lactone ring size on bioactivity. The bioassay results showed that the two series of target compounds possessed moderate to good activities against tobacco mosaic virus, One of the compounds showed in vivo inactivation, curative, and protection activities of 50 ± 1, 53 ± 3, and 48 ± 2% at 500 mg/L, values which are higher than those of gossypol (32 ± 1, 35 ± 1, 29 ± 1%, resp.) and comparable to those of hemigossypol (55 ± 1, 49 ± 1, and 48 ± 1%, resp.) and the com. antiviral agent ningnanmycin (56 ± 2, 54 ± 1, 58 ± 1%) at the same dose. Thus, this compound is a promising candidate for the development of new anti-plant-virus agents. In addition, most of the synthesized compounds showed broad-spectrum activity when tested against 14 kinds of phytopathogenic fungi and showed selectivity against Sclerotinia sclerotiorum, Physalospora piricola, and Rhizoctonia cerealis. Moreover, some of the compounds exhibited activity against Plutella xylostella larvae; the two most active compounds exhibited larvicidal activities (LC50) of 4.10 and 5.47 mg/L, resp. Further studies showed that these compounds also exhibited insecticidal activities against Mythimna separata, Helicoverpa armigera, and Pyrausta nubilalis larvae. In addition to this study using 2-Iodobenzoic acid, there are many other studies that have used 2-Iodobenzoic acid(cas: 88-67-5Name: 2-Iodobenzoic acid) was used in this study.

2-Iodobenzoic acid(cas: 88-67-5) belongs to organic iodides.Name: 2-Iodobenzoic acid 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 2022,Kitamura, Mitsuru; Eto, Takashi; Konai, Kazushige; Takahashi, Shuhei; Shimooka, Hirokazu; Okauchi, Tatsuo published an article in European Journal of Organic Chemistry. The title of the article was 《Synthesis of Diazoquinones and Azidophenols via Diazo-Transfer Reaction of Phenols》.Quality Control of 3-Iodophenol The author mentioned the following in the article:

The first efficient diazo-transfer reaction of phenols was described for the synthesis of o-quinone diazides (diazoquinones) from phenols in high yields using 2-azido-1,3-bis(2,6-diisopropylphenyl)imidazolium hexafluorophosphate (IPrAP, 2-PF6), which was a safe and stable crystalline The reaction efficiently proceeded in methanol in the presence of a base. Phenols substituted with electron-donating groups reacted more smoothly than those having electron withdrawing groups. Reactive phenols were diazotized by IPrAP with iPr2NH as a base, and low reactive phenols were diazotized with N,N-dimethyl-4-aminopyridine (DMAP). Furthermore, the formed diazoquinones reacted with sodium azide in 2-methoxyethanol and afforded the corresponding azidophenol in high yields.3-Iodophenol(cas: 626-02-8Quality Control of 3-Iodophenol) was used in this study.

3-Iodophenol(cas: 626-02-8) 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. Quality Control of 3-Iodophenol 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

In 2022,Kang, Do Hyung; Kim, Jinwoo; Eun, Han Jun; Kim, Sang Kyu published an article in Journal of the American Chemical Society. The title of the article was 《Experimental Observation of the Resonant Doorways to Anion Chemistry: Dynamic Role of Dipole-Bound Feshbach Resonances in Dissociative Electron Attachment》.Recommanded Product: 3-Iodophenol The author mentioned the following in the article:

Anion chem. dynamics of autodetachment and fragmentation mediated by the dipole-bound state (DBS) have been thoroughly investigated in a state-specific way by employing the picosecond time-resolved or the nanosecond frequency-resolved spectroscopy combined with the cryogenically cooled ion trap and velocity-map imaging techniques. For the ortho-, meta-, or para-iodophenoxide anion (o-, m-, or p-IPhO-), the C-I bond rupture occurs via the nonadiabatic transition from the DBS to the nearby valence-bound states (VBS) of the anion where the vibronic coupling into the S1 (πσ*) state (repulsive along the C-I bond extension coordinate) should be largely responsible. Dynamic details are governed by the isomer-specific nature of the potential energy surfaces in the vicinity of the DBS-VBS curve crossings, as manifested in the huge different chem. reactivity of o-, m-, or p-IPhO-. It is confirmed here that the C-I bond dissociation is mediated by DBS resonances, providing the foremost evidence that the metastable DBS plays the critical role as the doorway into the anion chem. especially of the dissociative electron attachment (DEA). The fragmentation channel is dominant when it is mediated by the DBS resonances located below the electron-affinity (EA) threshold, whereas it is kinetically adjusted by the competitive autodetachment when the DBS resonances above EA convey the electron to the valence orbitals. The product yield of the C-I bond cleavage is strongly mode-dependent as the rate of the concomitant autodetachment is much influenced by the characteristics of the individual vibrational modes, paving a new way of the reaction control of the anion chem. In the experiment, the researchers used many compounds, for example, 3-Iodophenol(cas: 626-02-8Recommanded Product: 3-Iodophenol)

3-Iodophenol(cas: 626-02-8) belongs to organic iodides. Organic iodides are used in veterinary products (Organic Iodide Powder) as a nutritional source of iodine.Recommanded Product: 3-Iodophenol 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.

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

In 2022,Arora, Ramon; Rodriguez, Jose F.; Whyte, Andrew; Lautens, Mark published an article in Angewandte Chemie, International Edition. The title of the article was 《Accessing Unsymmetrically Linked Heterocycles through Stereoselective Palladium-Catalyzed Domino Cyclization》.HPLC of Formula: 63069-48-7 The author mentioned the following in the article:

A palladium-catalyzed strategy is presented to synthesize unsym. linked heterocycles within stereoselective tetrasubstituted olefins I [R 1 = C6H5, 3-ClC6H4, 3-CH3C6H4, etc.; R2 = H, 5-Me, 5-Cl, 5-CF3, 6-C(O)2Me; R3 = Me, Bn, cyclohexylmethyl, etc.; R4 = Ph, 2-thienyl, cyclohexynyl, etc.; R5 = H, 6-Cl, 5-CN, 5-F, 5-CF3]. This reaction is proposed to occur via a vinyl-PdII intermediate capable of initiating the cyclization of various alkyne-tethered nucleophiles II (R6 = H, 5-Me, 5-Cl, 5-CF3, 5-C(O)2Me) and III (R7 = H, 5-Cl, 4-CN, 4-F, 4-CF3). Products I are formed in up to 96% yield with excellent stereoselectivities using low catalyst loadings. This transformation was scalable up to 1 mmol and mechanistic studies suggest a syn-carbopalladation of the carbamoyl chloride followed by PdII-catalyzed cyclization of alkyne-tethered nucleophiles. In addition to this study using 4-Chloro-2-iodoaniline, there are many other studies that have used 4-Chloro-2-iodoaniline(cas: 63069-48-7HPLC of Formula: 63069-48-7) was used in this study.

4-Chloro-2-iodoaniline(cas: 63069-48-7) belongs to anime. Left-handed and right-handed forms (mirror-image configurations, known as optical isomers or enantiomers) are possible when all the substituents on the central nitrogen atom are different (i.e., the nitrogen is chiral). With amines, there is extremely rapid inversion in which the two configurations are interconverted.HPLC of Formula: 63069-48-7

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

In 2022,Chang, Fengwei; Wang, Chengyi; Chen, Qipeng; Zhang, Yongjin; Liu, Guohua published an article in Angewandte Chemie, International Edition. The title of the article was 《A Chemoenzymatic Cascade Combining a Hydration Catalyst with an Amine Dehydrogenase: Synthesis of Chiral Amines》.Category: iodides-buliding-blocks The author mentioned the following in the article:

An encapsulated Au/carbene combined with a free amine dehydrogenase as a co-catalyst system that enabled an efficient hydration/amination enantioselective cascade process to be accomplished was developed. The mechanistic investigation disclosed dual catalysis comprised of alkyne hydration, followed by a reductive amination process. In the experimental materials used by the author, we found 3-Iodophenol(cas: 626-02-8Category: iodides-buliding-blocks)

3-Iodophenol(cas: 626-02-8) 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.Category: iodides-buliding-blocks

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

Synthetic Route of C5H4INIn 2019 ,《Dynamic Open Coordination Cage from Nonsymmetrical Imidazole-Pyridine Ditopic Ligands for Turn-On/Off Anion Binding》 appeared in Angewandte Chemie, International Edition. The author of the article were Ogata, Daiji; Yuasa, Junpei. The article conveys some information:

This work demonstrates a new nonconventional ligand design, imidazole/pyridine-based nonsym. ditopic ligands (1 and 1S), to construct a dynamic open coordination cage from nonsym. building blocks. Upon complex formation with Pd2+ at a 1:4 molar ratio, 1 and 1S initially form mononuclear PdL4 complexes (Pd2+(1)4 and Pd2+(1S)4) without formation of a cage. The PdL4 complexes undergo a stoichiometrically controlled structural transition to Pd2L4 open cages ((Pd2+)2(1)4 and (Pd2+)2(1S)4) capable of anion binding, leading to turn-on anion binding. The structural transitions between the Pd2L4 open cage and the PdL4 complex are reversible. Thus, stoichiometric addition (2 equiv) of free 1S to the (Pd2+)2(1S)4 open cage holding a guest anion ((Pd2+)2(1S)4·G-) enables the structural transition to the Pd2+(1S)4 complex, which does not have a cage and thus causes the release of the guest anion (Pd2+(1S)4+G-). In the experiment, the researchers used many compounds, for example, 4-Iodopyridine(cas: 15854-87-2Synthetic Route of C5H4IN)

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.Synthetic Route of C5H4IN

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

Synthetic Route of C10H18INO2In 2019 ,《Ligand-Controlled Regiodivergent Hydroalkylation of Pyrrolines》 appeared in Angewandte Chemie, International Edition. The author of the article were Qian, Deyun; Hu, Xile. The article conveys some information:

Two series of C-alkylated pyrrolidines I [R = Boc, Cbz; R1 = i-Pr, cyclopentyl, indol-1-yl, etc.] and II [R2 = CO2Ph, Boc, Cbz; R3 = cyclohexyl, (CH2)3Ph, 2-thienyl, etc.] were synthesized via ligand controlled nickel-catalyzed regiodivergent hydroalkylation of 3-pyrrolines with alkyl/aryl halides. This method demonstrated broad scope and high functional-group tolerance and could be applied in late-stage functionalizations. In the experiment, the researchers used many compounds, for example, tert-Butyl 4-iodopiperidine-1-carboxylate(cas: 301673-14-3Synthetic Route of C10H18INO2)

tert-Butyl 4-iodopiperidine-1-carboxylate(cas: 301673-14-3) is one of organic iodides. 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. Organic iodides can be alkyl, alkenyl, or alkynyl, and all of them are very reactive toward with many kinds of nucleophiles.Synthetic Route of C10H18INO2

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