Recyclable Hypervalent Iodine Reagents in Modern Organic Synthesis

Dohi, Toshifumi; Zhdankin, Viktor V.; Kumar, Ravi; Rimi, Rimi; Soni, Sakshi; Uttam, Bhawna; China, Hideyasu

doi:10.1055/s-0041-1737909

Cited by 15 publications

(6 citation statements)

References 150 publications

(212 reference statements)

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“…Thus, to overcome this, numerous recyclable (polymeric as well as non-polymeric) cyclic hypervalent iodine(V) compounds have also been developed and utilized in diverse organic transformations. 644 Moreover, Zhdankin and coworkers reported the first chiral cyclic hypervalent l 5 -iodanes ( 223) 645 (Fig. 35).…”

Section: Hypervalent Heterocyclic Compounds Of Iodine(v)mentioning

confidence: 99%

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Organohypervalent heterocycles

Kumar,

Dohi,

Zhdankin

2024

Chem. Soc. Rev.

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Section: Hypervalent Heterocyclic Compounds Of Iodine(v)mentioning

confidence: 99%

“…Thus, to overcome this, numerous recyclable (polymeric as well as non-polymeric) cyclic hypervalent iodine( v ) compounds have also been developed and utilized in diverse organic transformations. 644…”

Section: Hypervalent Heterocyclic Compounds Of Group 17 Elementsmentioning

confidence: 99%

Organohypervalent heterocycles

Kumar,

Dohi,

Zhdankin

2024

Chem. Soc. Rev.

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“…Metal–organic frameworks (MOFs) are a class of crystalline three-dimensional highly porous materials synthesized from metal ions and polyfunctional ligands. MOFs have a high surface area, tunable coordination sites, and high thermal and chemical stability. , Due to these properties MOFs have been used in catalysis, − biomedicine, − electrochemical applications, gas recovery and storage − as well as for the adsorption − and photodegradation − of various organic contaminants. Tunable coordination space and cavities of MOFs make them potential materials for the encapsulation of metal ions .…”

Section: Introductionmentioning

confidence: 99%

Highly Efficient Cauliflower-like Palladium-Loaded Porous MOF as a Robust Material for the Degradation of Organic Dyes

Rimi,

Kumar,

Uttam

et al. 2023

ACS Omega

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x = 2, 5, and 10%) were synthesized by loading varying concentrations of Pd(II) on IRMOF-9. The synthesized MOF materials were characterized by ltravioletisible (UV−Vis) spectroscopy, Fourier transform Infrared (FT-IR) spectroscopy, powder X-ray diffraction (PXRD), Brunauer−Emmett−Teller (BET), and scanning electron microscopy (SEM) analyses. UV, FT-IR, and PXRD data of Pd(II)@IRMOF-9 were found to be in line with those of IRMOF-9, which suggests that the structure of the IRMOF-9 remained intact upon Pd(II) loading. Surface morphology of IRMOF-9 showed sheet-like structures, and upon incorporation of Pd(II) to IRMOF-9, porous cauliflower-shaped MOFs were obtained. The SEM area mapping of Pd 10% @IRMOF-9 confirmed the homogeneous dispersion of Pd(II) on IRMOF-9. BET measurements suggested an increase in the surface area as well as pore size upon incorporation of Pd(II) on IRMOF-9. Due to high porosity and high petal density, Pd 10% @IRMOF-9 demonstrated degradation of seven organic dyes, namely, orange G, methylene blue, methyl orange, congo red , methyl red, rhodamine 6G, and neutral red. It showed excellent results with >90% dye degradation efficiency in case of cationic, anionic as well as neutral dyes. Degradation of organic dyes followed the pseudo-first-order kinetics. Kinetic parameters, K M and V max , were calculated using the double reciprocal Lineweaver−Burk plot and were found to be 13.2 μM and 26.68 × 10 −8 M min −1 , respectively. Recyclability studies of heterogeneous Pd 10% @IRMOF-9 demonstrated the degradation of CR dye for five consecutive cycles without significant loss of its catalytic activity. Herein, a robust and efficient material for the degradation of organic dyes has been developed and demonstrated.

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“…[1a-g] Diaryliodonium salts possess relatively low toxicity and can be used under mild conditions, which has positioned them as sustainable complements to conventional transition metal-catalyzed arylations. [3] The easy accessibility of Ar 2 IX from commercial sources or through inexpensive synthetic routes is key to their popularity. One of the most convenient strategies to access them is by oxidation of iodoarenes 1 or elemental iodine under acidic conditions followed by an in situ ligand exchange with a suitable arene 2.…”

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confidence: 99%

Advancements in the Synthesis of Diaryliodonium Salts: Updated Protocols

2023

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Our group has reported several one‐pot protocols for the synthesis of diaryliodonium salts, which have been recognized as attractive multi‐purpose reagents in areas ranging from organic synthesis to materials chemistry. Over the years, we have identified limitations in the published protocols concerning synthesis of mixed electron‐rich and electron‐poor, as well as highly electron‐poor diaryliodonium salts, as the corresponding starting materials are either too reactive or too unreactive. In this update, we discuss the underlying limitations concerning the stability and reactivity of the involved reagents and provide strategies to overcome these challenges through updated synthetic protocols.

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Recyclable Hypervalent Iodine Reagents in Modern Organic Synthesis

Cited by 15 publications

References 150 publications

Organohypervalent heterocycles

Organohypervalent heterocycles

Highly Efficient Cauliflower-like Palladium-Loaded Porous MOF as a Robust Material for the Degradation of Organic Dyes

Advancements in the Synthesis of Diaryliodonium Salts: Updated Protocols

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