Month: October 2022

In 2019,Advanced Synthesis & Catalysis included an article by Dey, Raghunath; Banerjee, Prabal. Product Details of 1774-47-6. The article was titled 《Metal-Free Ring Opening Cyclization of Cyclopropane Carbaldehydes and N-Benzyl Anilines: An Eco-Friendly Access to Functionalized Benzo[b]azepine Derivatives》. The information in the text is summarized as follows:

In the presence of 0.2 equivalent or 1.2 equivalent of p-TsOH, arylcyclopropanecarboxaldehydes such as I and a bicycloheptanecarboxaldehyde underwent ring opening or tandem ring opening and cyclocondensation reactions with N-benzylic anilines such as II at ambient temperature in CH2Cl2 to yield either γ-aryl-γ-(arylamino)butanals such as III and arylbenzazepines such as IV, resp. IV was reduced to the corresponding tetrahydrobenzazepine. In the experimental materials used by the author, we found Trimethylsulfoxonium iodide(cas: 1774-47-6Product Details of 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.Product Details of 1774-47-6

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

In 2019,Macromolecular Chemistry and Physics included an article by Cao, Yakun; Kumar, Rajesh; Tsarevsky, Nicolay V.. Product Details of 88-67-5. The article was titled 《Employing Heterocyclic Hypervalent Iodine Compounds with I-Cl Bonds as Initiators and Chain Transfer Agents in the Synthesis of Branched Polymers》. The information in the text is summarized as follows:

Heterocyclic hypervalent (HV) I(III) compounds with I-Cl bonds and various substituents at the N atom are synthesized and are very efficient chain transfer agents in the polymerization of styrene with transfer coefficients exceeding that of CCl4 by 2-3 orders of magnitude, depending on the structure. The chain transfer rate coefficients are also determined Due to the presence of thermally labile HV bonds, the compounds degrade homolytically upon heating and can initiate radical polymerization For instance, 1-chloro-2-hexyl-1,2-benziodazol-3(2H)-one, is used in the polymerization of styrene, which yields low mol. weight polymers with alkyl chloride groups at the α- (initiation) and the ω-chain ends (transfer). Chain-end functionalization reactions with azide and chain extension under low-catalyst-concentration atom transfer radical polymerization (ATRP) conditions of the prepared telechelic polymers are carried out. The same initiator/chain transfer agent is successfully employed in the synthesis of highly branched polymers with multiple alkyl chloride-type chain ends when added to mixtures of styrene and 1,4-divinylbenzene containing 10-80 mol% of the divinyl crosslinker, or even pure crosslinker. In all cases, soluble hyperbranched polymers are obtained up to moderate monomer conversions. The effects of crosslinker and HV I(III) compound concentrations on the polymerization outcome are studied systematically. The experimental part of the paper was very detailed, including the reaction process of 2-Iodobenzoic acid(cas: 88-67-5Product Details of 88-67-5)

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. In general, organic iodides are light-sensitive and turn yellow during storage, owing to the formation of iodine.Product Details of 88-67-5

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

In 2019,Chemistry – A European Journal included an article by Virelli, Matteo; Wang, Wei; Kuniyil, Rositha; Wu, Jun; Zanoni, Giuseppe; Fernandez, Antonio; Scott, Jamie; Vendrell, Marc; Ackermann, Lutz. Category: iodides-buliding-blocks. The article was titled 《BODIPY-Labeled Cyclobutanes by Secondary C(sp3)-H Arylations for Live-Cell Imaging》. The information in the text is summarized as follows:

Arylated cyclobutanes were accessed by a versatile palladium-catalyzed secondary C(sp3)-H activation, exploiting chelation assistance by modular triazoles. The C-H arylation led to cyclobutane natural product derivatives in a highly regioselective fashion, setting the stage for the easy access to novel fluorogenic boron-dipyrrin (BODIPY)-labeled probes for live-cell imaging.1-Chloro-3-iodobenzene(cas: 625-99-0Category: iodides-buliding-blocks) was used in this study.

1-Chloro-3-iodobenzene(cas: 625-99-0) 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. Category: iodides-buliding-blocks 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 2019,Analyst (Cambridge, United Kingdom) included an article by Li, Yannan; Yang, Li; Du, Mengqi; Chang, Guanjun. Related Products of 619-58-9. The article was titled 《Rational design of a boron-dipyrromethene-based fluorescent probe for detecting Pd2+ sensitively and selectively in aqueous media》. The information in the text is summarized as follows:

A novel fluorescent probe for Pd2+ based on the BODIPY fluorophore exploiting the PET (Photoinduced Electron Transfer) mechanism was designed and successfully synthesized. The fluorescent probe 1 was prepared by introducing m-bisimidazolylbenzene which was connected by Ph acetylene to the BODIPY dye at the meso position. It exhibited a rapid response and high sensitivity and selectivity toward Pd2+. Probe 1 presented a rapid quenched fluorescence response in aqueous buffer media (pH 5.5) and the detection limit estimated from the titration results was 2.9 × 10-7 M. Meanwhile, other common metal ions did not interfere with the recognition process. The DFT calculation proved that coordination of bisimidazole ligands with Pd2+ effectively decreases the LUMO energy of m-bisimidazolylbenzene which was located between the HOMO and LUMO energies of the BODIPY dye leading to fluorescence quenching via the d-PET mechanism.4-Iodobenzoic acid(cas: 619-58-9Related Products of 619-58-9) was used in this study.

4-Iodobenzoic acid(cas: 619-58-9) belongs to organic iodides. Generally organic iodides can be divided into two classes of alkyl iodides and aryl iodides. Related Products of 619-58-9 Typical reactions of alkyl iodides include nucleophilic substitution, elimination, reduction, and the formation of organometallics.

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

In 2019,Journal of Organic Chemistry included an article by Xiang, Jia-Chen; Wu, Zhi-Jie; Gu, Qing; You, Shu-Li. Formula: C7H5IO. The article was titled 《Palladium-Catalyzed C-H Diarylation of Ferrocenecarboxylic Acids with Aryl Iodides》. The information in the text is summarized as follows:

Palladium-catalyzed C-H diarylation of ferrocenes is described. In the presence of 10 mol% Pd(OAc)2, direct C-H diarylation reactions of com. available ferrocenecarboxylic acid with aryl iodides proceeded smoothly to afford diarylated ferrocenes bearing a variety of functional groups in moderate to good yields. The carboxylic group could also act as a remote directing group to result in the third arylation on the other Cp ring of ferrocene.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

The author of 《ImX-MCM-41 (X = Cl, Br and I): Active catalysts for the solvent free synthesis of phenyl glycidyl carbonate》 were Appaturi, Jimmy Nelson; Adam, Farook. And the article was published in Surfaces and Interfaces in 2019. Computed Properties of C2H4I2 The author mentioned the following in the article:

The ImX-MCM-41 (X = Cl, Br and I) catalysts were synthesized via grafting technique using MCM-41 synthesized by simple sol-gel method. These catalysts were characterized using FT-IR, N2-sorption, 13C CP/MAS NMR, XRD, TEM and SEM/EDS techniques. 13C CP/MAS NMR and FT-IR discovered the effective anchorage of imidazole and 1,2-dihaloethane on the MCM-41. SEM anal. images demonstrated that the catalysts comprise worm-like agglomerated structure which was alike to MCM-41. The catalysts were then used in cycloaddition of carbon dioxide and Ph glycidyl ether under solvent less and co-catalyst free conditions. Among the prepared catalyst, ImBr-MCM-41 showed higher catalytic activity (96.7%) under ambient reaction conditions (100 °C, 20 bar initial CO2 pressure, 300 mg catalyst mass and 3 h). It was found that the use of ImI-MCM-41 and ImCl-MCM-41 resulted in a conversion of 77.3% and 26.4% resp. under the same reaction conditions. These results verified that the synergic effect owing to the strong nucleophilic characteristics of Br- and amine could have promoted the reaction efficiently. The catalyst was reproduced and reused four times without a substantial decrease in performance or product selectivity. A possible site for CO2 activation by ImBr-MCM-41 catalyst has been proposed. In the experiment, the researchers used many compounds, for example, 1,2-Diiodoethane(cas: 624-73-7Computed Properties of C2H4I2)

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.Computed Properties of C2H4I2

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

The author of 《Synthesis, characterization and optical properties of novel Ir(III) complexes bearing N-heterocycle substituents》 were Tang, Meng; Zhu, Senqiang; Liu, Rui; Wang, Jia; Zhang, Zheng; Zhu, Hongjun. And the article was published in Journal of Organometallic Chemistry in 2019. Reference of 1-Bromo-3-iodobenzene The author mentioned the following in the article:

A series of cationic heteroleptic Ir(III) complexes with different N-heterocycle groups (N-phenothiazinyl, N-indolyl, N-carbazolyl, 3,6-di-tert-butyl-N-carbazolyl) (1a-1d) were synthesized and characterized. The photophys. properties of these complexes were systematically investigated. All complexes exhibit strong 1π-π* absorption bands in the UV region and broad 1MLCT absorption bands in the visible region. In addition, these complexes exhibit weak absorption after 500 nm, which could be attributed to 3π,π*/3CT transition. All complexes exhibit broad and structureless emission bands from 568 nm to 627 nm at room temperature, which are originated from 3MLCT/3LLCT excited states. The electron donating substituents attached on the 2-phenylpyridine ligands cause a pronounced red-shift of the emission band. Except 1d, all complexes show strong triplet transient absorptions from UV to visible region, which were assigned to the 3MLCT/3π,π* excited state. In addition, complexes 1a-1c all exhibit reverse saturable absorption (RSA) at 532 nm, which follows the trend of 1a > 1b > 1c. The photophys. properties of these Ir(III) complexes can be influenced drastically by the substituents on 2-phenylpyridine ligands, which would be useful for rational design of optical functional materials. In the part of experimental materials, we found many familiar compounds, such as 1-Bromo-3-iodobenzene(cas: 591-18-4Reference 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.Reference of 1-Bromo-3-iodobenzene

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

《4-Aryl-1-oxa-4,9-diazaspiro[5.5]undecane derivatives as dual μ-opioid receptor agonists and σ1 receptor antagonists for the treatment of pain》 was published in Journal of Medicinal Chemistry in 2020. These research results belong to Garcia, Monica; Virgili, Marina; Alonso, Monica; Alegret, Carles; Fernandez, Begona; Port, Adriana; Pascual, Rosalia; Monroy, Xavier; Vidal-Torres, Alba; Serafini, Maria-Teresa; Vela, Jose Miguel; Almansa, Carmen. Category: iodides-buliding-blocks The article mentions the following:

The synthesis and pharmacol. activity of a new series of 1-oxa-4,9-diazaspiro[5.5]undecane derivatives as potent dual ligands for the sigma-1 receptor (σ1R) and the μ-opioid receptor (MOR) are reported. The different positions of the central scaffold, designed using a merging strategy of both targets pharmacophores, were explored using a versatile synthetic approach. Phenethyl derivatives in position 9, substituted pyridyl moieties in position 4 and small alkyl groups in position 2 provided the best profiles. One of the best compounds, I, showed a balanced dual profile (i.e. MOR agonism and sigma antagonism) and potent analgesic activity, comparable to the MOR agonist oxycodone in the paw pressure test in mice. Contrary to oxycodone, as expected from the addition of σ1R antagonism, I showed local, peripheral activity in this test, which was reversed by the σ1R agonist PRE-084. At equianalgesic doses, I showed less constipation than oxycodone, providing evidence that dual MOR agonism and σ1R antagonism may be a useful strategy for obtaining potent and safer analgesics. The experimental part of the paper was very detailed, including the reaction process of Trimethylsulfoxonium iodide(cas: 1774-47-6Category: iodides-buliding-blocks)

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.Category: iodides-buliding-blocks

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

《A selective and highly sensitive high performance liquid chromatography with fluorescence derivatization approach based on Sonogashira coupling reaction for determination of ethinyl estradiol in river water samples》 was published in Journal of Chromatography A in 2020. These research results belong to Ali, Marwa F. B.; Uejo, Yurina; Kishikawa, Naoya; Ohyama, Kaname; Kuroda, Naotaka. Electric Literature of C7H5IO The article mentions the following:

A selective and highly sensitive high performance liquid chromatog. (HPLC) with fluorescence derivatization method was developed for determination of ethinyl estradiol (EE); one of endocrine-disrupting compounds (EDCs). The fluorescence derivatization procedure was based on Sonogashira coupling reaction using 4-(4, 5-diphenyl-1H-imidazole-2-yl) iodobenzene (DIB-I), a fluorescence labeling reagent, to derivatize EE in presence of copper and palladium ions. The formed fluorescent product was separated on Cosmosil 5C18 MS-II by an isocratic elution with a mobile phase composed of acetonitrile: 5.0 mM Tris-HNO3 buffer, pH 7.4 (60:40, volume/volume %). The detection wavelengths were set at 310 and 400 nm as excitation and emission wavelengths, resp. Various parameters affecting derivatization reaction were optimized. Further, the proposed method was validated and a good linearity with low detection limit (S/N=3) 7.4 ng L-1 was obtained in water sample after a simple solid-phase disk extraction (C18 SPE disk) method. The proposed method was successfully applied for detection of EE in river water samples in order to monitor EE concentration and to distinguish its effect on the ecosystem and human health. The experimental process involved the reaction of 4-Iodobenzaldehyde(cas: 15164-44-0Electric Literature of 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.Electric Literature of C7H5IO

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

Wei, Li; Tang, Huali; Zou, Feihua; Cai, Mingzhong published their research in Polymer Bulletin (Heidelberg, Germany) in 2021. The article was titled 《Synthesis of novel aromatic polyamides containing cardo groups and triphenylphosphine oxide structures by a heterogeneous palladium-catalyzed carbonylation and condensation reaction》.Synthetic Route of C6H5IO The article contains the following contents:

Abstract: New aromatic polyamides containing cardo groups and triphenylphosphine oxide structures were synthesized by a heterogeneous palladium-catalyzed carbonylation and condensation of bis(4-(3-iodophenoxy)phenyl)phenylphosphine oxide (BIPPO), aromatic diamines bearing cardo groups, and carbon monoxide. Polycondensations were carried out in N,N-dimethylacetamide under 1 atm of CO at 120°C in the presence of a magnetically recyclable heterogeneous palladium catalyst and 1,8-diaza-bicyclo[5,4,0]-7-undecene (DBU) and afforded novel aromatic polyamides with inherent viscosities between 0.72 and 0.76 dL/g. All the polyamides were quite soluble in dipolar aprotic solvents and pyridine and could be converted into transparent, flexible, and tough polyamide films by casting from DMAc solutions These polymers exhibited high thermal and thermooxidative stability with the glass transition temperatures of 237°C-256°C, the temperatures at 5% weight loss of 448°C-465°C in air. All the phosphorus-containing polyamides self-extinguished as soon as the flame was removed, and the limited oxygen indexes (LOIs) of these polymers were in the range of 39%-44%. The polymer films also showed good mech. properties and high optical transparency. The experimental process involved the reaction of 3-Iodophenol(cas: 626-02-8Synthetic Route of C6H5IO)

3-Iodophenol(cas: 626-02-8) belongs to organic iodides.Synthetic Route of C6H5IO 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