1
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Gao X, Ma M, Pedersen CM, Liu R, Zhang Z, Chang H, Qiao Y, Wang Y. Interactions between PAMAM-NH 2 and 6-Mercaptopurine: Qualitative and Quantitative NMR studies. Chem Asian J 2021; 16:3658-3663. [PMID: 34494362 DOI: 10.1002/asia.202100771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/24/2021] [Indexed: 11/09/2022]
Abstract
Despite being used as an anti-leukemic drug, the poor solubility of 6-mercaptopurine (6-MP) limits its use in topical and parenteral applications. Dendrimers are commonly used as drug carriers to improve their solubility in aqueous solution. In this work, the interactions between 6-MP and the amine-terminated poly(amidoamine) dendrimers (PAMAM-NH2 ) were investigated by various NMR technology. The chemical shift titrations disclosed that the 6-MP interacted with the surface of PAMAM-NH2 mainly through electrostatics. The determination of diffusion coefficient and relaxation measurements further confirmed the presence of interactions in 6-MP/PAMAM-NH2 complexes. In addition, the encapsulation of 6-MP within the cavity of PAMAM-NH2 was revealed through nuclear Overhauser effect spectroscopy and Saturation Transfer Double Difference analysis. Finally, the binding strength (H-8 is 100% and H-2 is 70%) of 6-MP to PAMAM-NH2 was quantitatively expressed using epitope maps. This study provides a systematic methodology for qualitative and quantitative studies of the interactions between dendrimers and drug molecules in general.
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Affiliation(s)
- Xueke Gao
- State Key Laboratory of Coal Conversion Institute of Coal Chemistry, Chinese Academy of Sciences, 27 South Taoyuan Road, Taiyuan, 030001, P. R. China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Minjun Ma
- State Key Laboratory of Coal Conversion Institute of Coal Chemistry, Chinese Academy of Sciences, 27 South Taoyuan Road, Taiyuan, 030001, P. R. China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Christian Marcus Pedersen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100, Copenhagen, Denmark
| | - Rui Liu
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Zhenzhou Zhang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Honghong Chang
- Shanxi Xuanran Pharmaceutical Technology Co., Ltd., Jinzhong, 030600, P. R. China
| | - Yan Qiao
- State Key Laboratory of Coal Conversion Institute of Coal Chemistry, Chinese Academy of Sciences, 27 South Taoyuan Road, Taiyuan, 030001, P. R. China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yingxiong Wang
- State Key Laboratory of Coal Conversion Institute of Coal Chemistry, Chinese Academy of Sciences, 27 South Taoyuan Road, Taiyuan, 030001, P. R. China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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2
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Ramezanpour A, Karami K, Kharaziha M, Silvestru C, Bayat P. Synthesis and characterization of the ternary graphene oxide, MnFe
2
O
4
nanoparticles, and Polyamidoamine dendrons nanocomposite decorated with palladium as a heterogeneous catalyst for nitroaromatics reduction. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Azar Ramezanpour
- Department of Chemistry Isfahan University of Technology Isfahan Iran
| | - Kazem Karami
- Department of Chemistry Isfahan University of Technology Isfahan Iran
| | - Mahshid Kharaziha
- Department of Materials Engineering Isfahan University of Technology Isfahan Iran
| | - Cristian Silvestru
- Supramolecular Organic and Organometallic Chemistry Centre, Department of Chemistry, Faculty of Chemistry and Chemical Engineering Babeş‐Bolyai University Cluj‐Napoca Romania
| | - Parvaneh Bayat
- Department of Chemistry Isfahan University of Technology Isfahan Iran
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3
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Patel A, Patel A. Designing of Stabilized Palladium Nanoclusters: Characterization, Effect of Support and Acidity on C–C cross coupling. Catal Letters 2021. [DOI: 10.1007/s10562-021-03658-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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4
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A brief overview of catalytic applications of dendrimers containing 1,4-disubstituted-1,2,3-triazoles. MONATSHEFTE FUR CHEMIE 2021. [DOI: 10.1007/s00706-021-02753-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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5
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Patel A, Patel A. Synthesis and characterization of supported stabilized palladium nanoparticles for selective hydrogenation in water at low temperature. RSC Adv 2021; 11:8218-8227. [PMID: 35423350 PMCID: PMC8695083 DOI: 10.1039/d1ra00239b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 02/12/2021] [Indexed: 12/24/2022] Open
Abstract
Zirconia supported vacant phosphotungstate stabilized Pd nanoparticles (Pd-PW11/ZrO2) were prepared using a simple impregnation and post reduction method, characterized and their efficiency for selective C[double bond, length as m-dash]C hydrogenation of unsaturated compounds explored. The establishment of a hydrogenation strategy at low temperature using water as solvent under mild conditions makes the present system environmentally benign and green. The catalyst shows outstanding activity (96% conversion) with just a small amount of Pd(0) (0.0034 mol%) with high substrate/catalyst ratio (29 177/1), TON (28 010) and TOF (14 005 h-1) for cyclohexene (as a model substrate) hydrogenation. The catalyst was recovered by simple centrifugation and reused for up to five catalytic cycles without alteration in its activity. The present catalyst was found to be viable towards different substrates with excellent activity and TON (18 000 to 28 800). A study on the effect of addenda atom shows that the efficiency of the catalyst can be enhanced greatly by increasing the number of counter protons. This challenging strategy would greatly benefit sustainable development in chemistry as it diminishes the use of organic solvents and offers economic and environmental benefits as water is cheap and non-toxic.
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Affiliation(s)
- Anish Patel
- Polyoxometalates and Catalysis Laboratory, Department of Chemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda Vadodara-390002 Gujarat India
| | - Anjali Patel
- Polyoxometalates and Catalysis Laboratory, Department of Chemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda Vadodara-390002 Gujarat India
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6
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Aryanasab F, Shabanian M, Laoutid F, Vahabi H. Immobilizing palladium on melamine‐functionalized magnetic nanoparticles: An efficient and reusable phosphine‐free catalyst for Mizoroki–Heck reaction. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6198] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Fezzeh Aryanasab
- Department of Chemistry, Chemistry and Petrochemistry Research Center Standard Research Institute (SRI) Karaj 31745‐139 Iran
| | - Meisam Shabanian
- Department of Petrochemistry and Polymer, Chemistry and Petrochemistry Research Center Standard Research Institute (SRI) Karaj 31745‐139 Iran
| | - Fouad Laoutid
- Polymeric and Composite Materials Unit Materia Nova Research Center Mons 7000 Belgium
| | - Henri Vahabi
- CentraleSupélec, LMOPS University of Lorraine Metz F‐57000 France
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7
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Synthesis of dendrimer assisted cobalt nanoparticles and catalytic application in Heck coupling reactions in ionic liquid. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2448-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
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8
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Synthesis and comparative study of catalytic activity between Pd-metallodendrimer and Pd/Cu-bimetallodendrimer nanoparticle-based on triazine. JOURNAL OF SAUDI CHEMICAL SOCIETY 2020. [DOI: 10.1016/j.jscs.2019.09.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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9
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Diab HM, Abdelmoniem AM, Shaaban MR, Abdelhamid IA, Elwahy AHM. An overview on synthetic strategies for the construction of star-shaped molecules. RSC Adv 2019; 9:16606-16682. [PMID: 35516393 PMCID: PMC9064441 DOI: 10.1039/c9ra02749a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 05/07/2019] [Indexed: 12/21/2022] Open
Abstract
Strategies for the synthesis of star-shaped molecules have been in high demand in the last decades due to the importance of those compounds in various fields. The distinctly different properties of these compounds compared to their linear analogues make them versatile building blocks for the formation of mesophases of interesting mesomorphic and photophysical properties. Moreover, the applications of star-shaped molecules as building units for dendrimers as well as in supramolecular host-guest chemistry have also been recently studied. The star-shaped molecules mentioned in this review are classified according to the central core as well as the type of side arms. The properties and applications of these compounds are described in the appropriate contexts. This report summarizes the recent advances in this area.
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Affiliation(s)
- Hadeer M Diab
- Chemistry Department, Faculty of Science, Cairo University Giza Egypt
| | - Amr M Abdelmoniem
- Chemistry Department, Faculty of Science, Cairo University Giza Egypt
| | - Mohamed R Shaaban
- Chemistry Department, Faculty of Science, Cairo University Giza Egypt
| | | | - Ahmed H M Elwahy
- Chemistry Department, Faculty of Science, Cairo University Giza Egypt
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10
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Karakhanov E, Maximov A, Zolotukhina A. Selective semi-hydrogenation of phenyl acetylene by Pd nanocatalysts encapsulated into dendrimer networks. MOLECULAR CATALYSIS 2019. [DOI: 10.1016/j.mcat.2019.03.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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11
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Karakanov EA, Zolotukhina AV, Ivanov AO, Maximov AL. Dendrimer-Encapsulated Pd Nanoparticles, Immobilized in Silica Pores, as Catalysts for Selective Hydrogenation of Unsaturated Compounds. ChemistryOpen 2019; 8:358-381. [PMID: 30976477 PMCID: PMC6437834 DOI: 10.1002/open.201800280] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/21/2019] [Indexed: 01/22/2023] Open
Abstract
Heterogeneous Pd-containing nanocatalysts, based on poly (propylene imine) dendrimers immobilized in silica pores and networks, obtained by co-hydrolysis in situ, have been synthesized and examined in the hydrogenation of various unsaturated compounds. The catalyst activity and selectivity were found to strongly depend on the carrier structure as well as on the substrate electron and geometric features. Thus, mesoporous catalyst, synthesized in presence of both polymeric template and tetraethoxysilane, revealed the maximum activity in the hydrogenation of various styrenes, including bulky and rigid stilbene and its isomers, reaching TOF values of about 230000 h-1. Other mesoporous catalyst, synthesized in the presence of polymeric template, but without addition of Si(OEt)4, provided the trans-cyclooctene formation with the selectivity of 90-95 %, appearing as similar to homogeneous dendrimer-based catalysts. Microporous catalyst, obtained only on the presence of Si(OEt)4, while dendrimer molecules acting as both anchored ligands and template, demonstrated the maximum activity in the hydrogenation of terminal linear alkynes and conjugated dienes, reaching TOF values up to 400000 h-1. Herein the total selectivity on alkene in the case of terminal alkynes and conjugated dienes reached 95-99 % even at hydrogen pressure of 30 atm. The catalysts synthesized can be easily isolated from reaction products and recycled without significant loss of activity.
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Affiliation(s)
- Edward A. Karakanov
- Department of Petroleum Chemistry and Organic CatalysisMoscow State University119991MoscowRussian Federation
| | - Anna V. Zolotukhina
- Department of Petroleum Chemistry and Organic CatalysisMoscow State University119991MoscowRussian Federation
- A.V. Topchiev Institute of Petrochemical synthesis RAS119991MoscowRussian Federation
| | - Andrey O. Ivanov
- A.V. Topchiev Institute of Petrochemical synthesis RAS119991MoscowRussian Federation
| | - Anton L. Maximov
- Department of Petroleum Chemistry and Organic CatalysisMoscow State University119991MoscowRussian Federation
- A.V. Topchiev Institute of Petrochemical synthesis RAS119991MoscowRussian Federation
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12
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Ortiz A, Gómez-Sal P, Flores JC, de Jesús E. Highly Recoverable Pd(II) Catalysts for the Mizoroki–Heck Reaction Based on N-Heterocyclic Carbenes and Poly(benzyl ether) Dendrons. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00295] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Alba Ortiz
- Departamento de Química Orgánica y de Química Inorgánica, Instituto de Investigación Química “Andrés M. del Río”, Universidad de Alcalá, Alcalá de Henares, Madrid 28871, Spain
| | - Pilar Gómez-Sal
- Departamento de Química Orgánica y de Química Inorgánica, Instituto de Investigación Química “Andrés M. del Río”, Universidad de Alcalá, Alcalá de Henares, Madrid 28871, Spain
| | - Juan C. Flores
- Departamento de Química Orgánica y de Química Inorgánica, Instituto de Investigación Química “Andrés M. del Río”, Universidad de Alcalá, Alcalá de Henares, Madrid 28871, Spain
| | - Ernesto de Jesús
- Departamento de Química Orgánica y de Química Inorgánica, Instituto de Investigación Química “Andrés M. del Río”, Universidad de Alcalá, Alcalá de Henares, Madrid 28871, Spain
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13
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Patala R, Noh JH, Meijboom R. Determination of maximum loading capacity of polyamidoamine (PAMAM) dendrimers and evaluation of Cu55
dendrimer-encapsulated nanoparticles for catalytic activity. INT J CHEM KINET 2018. [DOI: 10.1002/kin.21193] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Rapelang Patala
- Department of Chemistry; University of Johannesburg; Johannesburg South Africa
| | - Ji-Hyang Noh
- Department of Chemistry; University of Johannesburg; Johannesburg South Africa
| | - Reinout Meijboom
- Department of Chemistry; University of Johannesburg; Johannesburg South Africa
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14
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Bahadorikhalili S, Mahdavi M, Ma’mani L, Shafiee A, Mahdavi H, Akbarzadeh T. Palladium functionalized phosphinite polyethyleneimine grafted magnetic silica nanoparticles as an efficient catalyst for the synthesis of isoquinolino[1,2-b]quinazolin-8-ones. NEW J CHEM 2018. [DOI: 10.1039/c7nj04837h] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Novel 5-methyl-8H-isoquinolino[1,2-b]quinazolin-8-one derivatives are synthesized using a reusable immobilized palladium catalyzed intramolecular carbon–carbon bond formation.
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Affiliation(s)
| | - Mohammad Mahdavi
- Endocrinology Metabolism Research Center
- Endocrinology Metabolism Clinical Sciences Institute
- Tehran University of Medical Science
- Tehran
- Iran
| | - Leila Ma’mani
- Department of Nanotechnology
- Agricultural Biotechnology Research Institute of Iran (ABRII)
- Agricultural Research
- Education and Extension Organization (AREEO)
- Karaj
| | - Abbas Shafiee
- Department of Medicinal Chemistry
- Faculty of Pharmacy
- Tehran University of Medical Sciences
- Tehran
- Iran
| | - Hossein Mahdavi
- School of Chemistry
- College of Science
- University of Tehran
- Tehran
- Iran
| | - Tahmineh Akbarzadeh
- Department of Medicinal Chemistry
- Faculty of Pharmacy
- Tehran University of Medical Sciences
- Tehran
- Iran
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15
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Maximov AL, Zolotukhina AV, Mamedli AA, Kulikov LA, Karakhanov EA. Selective Levulinic Acid Hydrogenation in the Presence of Hybrid Dendrimer-Based Catalysts. Part I: Monometallic. ChemCatChem 2017. [DOI: 10.1002/cctc.201700691] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Anton L. Maximov
- Department of Petroleum Chemistry and Organic Catalysis; Moscow State University; 119991 Moscow Russian Federation
- A.V. Topchiev Institute of Petrochemical Synthesis RAS; 119991 Moscow Russian Federation
| | - Anna V. Zolotukhina
- Department of Petroleum Chemistry and Organic Catalysis; Moscow State University; 119991 Moscow Russian Federation
| | - Adila A. Mamedli
- Department of Petroleum Chemistry and Organic Catalysis; Moscow State University; 119991 Moscow Russian Federation
| | - Leonid A. Kulikov
- Department of Petroleum Chemistry and Organic Catalysis; Moscow State University; 119991 Moscow Russian Federation
| | - Edward A. Karakhanov
- Department of Petroleum Chemistry and Organic Catalysis; Moscow State University; 119991 Moscow Russian Federation
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16
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Dendrimer-Stabilized Ru Nanoparticles Immobilized in Organo-Silica Materials for Hydrogenation of Phenols. Catalysts 2017. [DOI: 10.3390/catal7030086] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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17
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Starova V, Ianchuk M, Zaporozhets O, Caminade AM. Physico-chemical properties of β-diketone phosphorus-containing dendrimers. FRENCH-UKRAINIAN JOURNAL OF CHEMISTRY 2017. [DOI: 10.17721/fujcv5i2p128-135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Protolytic, absorbance and fluorescence properties of β-diketone phosphorus-containing dendrimers based on cyclotriphosphazene core were studied. Dendrimer solutions in acetone are characterized by intense absorbance band at ≈ 340 nm (ε340≈ 8.5·104L/mol·сm) and fluorescence band with maximum at 440 nm. Position of these maxima does not change in various solvents, unlike the bands of monomer β-diketone. It was found that dendrimer aggregation is accompanied by appearance of a second absorbance band ε400≈ 4.5·103L/mol·сm, by red shift of emission spectra ∆λ ≈ 10 nm and also by decrease in surface tension of acetone solution. Ability of dendrimer aggregates to solubilize organic substrates was observed with the fluorescent indicator acridine.
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18
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Rhodium-complexed hyperbranched poly(ethyleneimine) and polyamidoamine and their non-covalent immobilization on magnetic nanoparticles. J Organomet Chem 2016. [DOI: 10.1016/j.jorganchem.2016.05.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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19
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Taher A, Lee DJ, Lee IM, Lutfor Rahman M, Shaheen Sarker M. A Novel Graphene-Supported Palladium Catalyst for Suzuki-Miyaura Coupling of Less Reactive Heteroaryl Halides in Water. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.10894] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Abu Taher
- Department of Chemistry; Inha University; Incheon 402-751 South Korea
| | - Dong-Jin Lee
- Department of Chemistry; Inha University; Incheon 402-751 South Korea
| | - Ik-Mo Lee
- Department of Chemistry; Inha University; Incheon 402-751 South Korea
| | - Md. Lutfor Rahman
- Faculty of Industrial Sciences and Technology; University Malaysia Pahang; 26300 Gambang Kuantan Pahang Malaysia
| | - Md. Shaheen Sarker
- Faculty of Industrial Sciences and Technology; University Malaysia Pahang; 26300 Gambang Kuantan Pahang Malaysia
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20
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Mketo N, Jordaan JHL, Jordaan A, Swarts AJ, Mapolie SF. Synthesis, Characterization, and Catalytic Application of Mononuclear and Dendritic Cationic Cu
I
Iminopyridine‐Ligated Complexes in Aryl Iodide Hydroxylation. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600417] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Nomvano Mketo
- Department of Chemistry and Polymer ScienceStellenbosch UniversityPrivate Bag X1, Matieland7602StellenboschSouth Africa
| | - Johan H. L. Jordaan
- Focus Area for Chemical Resource Beneficiation: Laboratory for Analytical ServicesNorth‐West UniversityHoffman Street2520PotchefstroomSouth Africa
| | - Anine Jordaan
- Focus Area for Chemical Resource Beneficiation: Laboratory for Electron MicroscopyNorth‐West UniversityHoffman Street2520PotchefstroomSouth Africa
| | - Andrew J. Swarts
- Focus Area for Chemical Resource Beneficiation: Catalysis and Synthesis Research GroupNorth‐West UniversityHoffman Street2520PotchefstroomSouth Africa
| | - Selwyn F. Mapolie
- Department of Chemistry and Polymer ScienceStellenbosch UniversityPrivate Bag X1, Matieland7602StellenboschSouth Africa
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21
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Thermo-responsive Ruthenium Dendrimer-based Catalysts for Hydrogenation of the Aromatic Compounds and Phenols. J Inorg Organomet Polym Mater 2016. [DOI: 10.1007/s10904-016-0399-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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22
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Özkar S, Finke RG. Palladium(0) Nanoparticle Formation, Stabilization, and Mechanistic Studies: Pd(acac)₂ as a Preferred Precursor, [Bu₄N]₂HPO₄ Stabilizer, plus the Stoichiometry, Kinetics, and Minimal, Four-Step Mechanism of the Palladium Nanoparticle Formation and Subsequent Agglomeration Reactions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:3699-716. [PMID: 27046305 DOI: 10.1021/acs.langmuir.6b00013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Palladium(0) nanoparticles continue to be important in the field of catalysis. However, and despite the many prior reports of Pd(0)n nanoparticles, missing is a study that reports the kinetically controlled formation of Pd(0)n nanoparticles with the simple stabilizer [Bu4N]2HPO4 in an established, balanced formation reaction where the kinetics and mechanism of the nanoparticle-formation reaction are also provided. It is just such studies that are the focus of the present work. Specifically, the present studies reveal that Pd(acac)2, in the presence of 1 equiv of [Bu4N]2HPO4 as stabilizer in propylene carbonate, serves as a preferred precatalyst for the kinetically controlled nucleation following reduction under 40 ± 1 psig initial H2 pressure at 22.0 ± 0.1 °C to yield 7 ± 2 nm palladium(0) nanoparticles. Studies of the balanced stoichiometry of the Pd(0)n nanoparticle-formation reaction shows that 1.0 Pd(acac)2 consumes 1.0 equiv of H2 and produces 1.0 equiv of Pd(0)n while also releasing 2.0 ± 0.2 equiv of acetylacetone. The inexpensive, readily available HPO4(2-) also proved to be as effective a Pd(0)n nanoparticle stabilizer as the more anionic, sterically larger, "Gold Standard" stabilizer P2W15Nb3O62(9-). The kinetics and associated minimal mechanism of formation of the [Bu4N]2HPO4-stabilized Pd(0)n nanoparticles are also provided, arguably the most novel part of the present studies, specifically the four-step mechanism of nucleation (A → B, rate constant k1), autocatalytic surface growth (A + B → 2B, rate constant k2), bimolecular agglomeration (B + B → C, rate constant k3), and secondary autocatalytic surface growth (A + C → 1.5C, rate constant k4), where A is Pd(acac)2, B represents the growing, smaller Pd(0)n nanoparticles, and C represents the larger, most catalytically active Pd(0)n nanoparticles. Additional details on the mechanism and catalytic properties of the resultant Pd(0)n·HPO4(2-) nanoparticles are provided in this work.
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Affiliation(s)
- Saim Özkar
- Department of Chemistry, Colorado State University , Fort Collins, Colorado 80523 United States
- Department of Chemistry, Middle East Technical University , 06800 Ankara, Turkey
| | - Richard G Finke
- Department of Chemistry, Colorado State University , Fort Collins, Colorado 80523 United States
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23
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Cyclopropanation reactions catalysed by dendrimers possessing one metalloporphyrin active site at the core: linear and sigmoidal kinetic behaviour for different dendrimer generations. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.01.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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24
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Tomalia DA, Khanna SN. A Systematic Framework and Nanoperiodic Concept for Unifying Nanoscience: Hard/Soft Nanoelements, Superatoms, Meta-Atoms, New Emerging Properties, Periodic Property Patterns, and Predictive Mendeleev-like Nanoperiodic Tables. Chem Rev 2016; 116:2705-74. [DOI: 10.1021/acs.chemrev.5b00367] [Citation(s) in RCA: 166] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Donald A. Tomalia
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Department of Physics, Virginia Commonwealth University, Richmond, Virginia 23284, United States
- National Dendrimer & Nanotechnology Center, NanoSynthons LLC, 1200 North Fancher Avenue, Mt. Pleasant, Michigan 48858, United States
| | - Shiv N. Khanna
- Department
of Physics, Virginia Commonwealth University, Richmond, Virginia 23284, United States
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25
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Ortiz AM, Sánchez-Méndez A, de Jesús E, Flores JC, Gómez-Sal P, Mendicuti F. Poly(benzyl ether) Dendrimers Functionalized at the Core with Palladium Bis(N-Heterocyclic Carbene) Complexes as Catalysts for the Heck Coupling Reaction. Inorg Chem 2016; 55:1304-14. [DOI: 10.1021/acs.inorgchem.5b02629] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Alba M. Ortiz
- Departamento de Química Orgánica
y Química Inorgánica, Universidad de Alcalá, Edificio de Farmacia, Campus Universitario, E28871 Alcalá
de Henares, Madrid, Spain
| | - Alberto Sánchez-Méndez
- Departamento de Química Orgánica
y Química Inorgánica, Universidad de Alcalá, Edificio de Farmacia, Campus Universitario, E28871 Alcalá
de Henares, Madrid, Spain
| | - Ernesto de Jesús
- Departamento de Química Orgánica
y Química Inorgánica, Universidad de Alcalá, Edificio de Farmacia, Campus Universitario, E28871 Alcalá
de Henares, Madrid, Spain
| | - Juan C. Flores
- Departamento de Química Orgánica
y Química Inorgánica, Universidad de Alcalá, Edificio de Farmacia, Campus Universitario, E28871 Alcalá
de Henares, Madrid, Spain
| | - Pilar Gómez-Sal
- Departamento de Química Orgánica
y Química Inorgánica, Universidad de Alcalá, Edificio de Farmacia, Campus Universitario, E28871 Alcalá
de Henares, Madrid, Spain
| | - Francisco Mendicuti
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, E28871 Alcalá de Henares, Madrid, Spain
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26
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27
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Wang Q, Zhang Y, Zhou Y, Zhang Z, Xue J, Xu Y, Zhang C, Sheng X, Kui N. Nanocasting synthesis of an ordered mesoporous CeO2-supported Pt nanocatalyst with enhanced catalytic performance for the reduction of 4-nitrophenol. RSC Adv 2016. [DOI: 10.1039/c5ra23472g] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Ordered mesoporous ceria was used to support Pt nanoparticles stabilized by dendrimers and enhance catalytic reduction of 4-nitrophenol.
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Affiliation(s)
- Qianli Wang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
| | - Yiwei Zhang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
| | - Yuming Zhou
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
| | - Zewu Zhang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
| | - Jinjuan Xue
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
| | - Yuanmei Xu
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
| | - Chao Zhang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
| | - Xiaoli Sheng
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
| | - Naishu Kui
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
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28
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Sadjadi S, Heravi MM. Pd(0) encapsulated nanocatalysts as superior catalytic systems for Pd-catalyzed organic transformations. RSC Adv 2016. [DOI: 10.1039/c6ra18049c] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
In the last decade, Pd(0) nanoparticles have attracted increasing attention due to their outstanding utility as nanocatalysts in a wide variety of key chemical reactions.
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Affiliation(s)
- S. Sadjadi
- Iran Polymer and Petrochemical Institute
- Tehran
- Iran
| | - M. M. Heravi
- Department of Chemistry
- School of Science
- Alzahra University
- Tehran
- Iran
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29
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Massaro M, Riela S, Cavallaro G, Colletti C, Milioto S, Noto R, Parisi F, Lazzara G. Palladium supported on Halloysite-triazolium salts as catalyst for ligand free Suzuki cross-coupling in water under microwave irradiation. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcata.2015.07.008] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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30
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Karakhanov EA, Maximov AL, Zolotukhina AV, Yatmanova N, Rosenberg E. Alkyne hydrogenation using Pd-Ag hybrid nanocatalysts in surface-immobilized dendrimers. Appl Organomet Chem 2015. [DOI: 10.1002/aoc.3367] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Edward A. Karakhanov
- Department of Petroleum Chemistry and Organic Catalysis; Moscow State University; 119991 Moscow Russia
| | - Anton L. Maximov
- Department of Petroleum Chemistry and Organic Catalysis; Moscow State University; 119991 Moscow Russia
- Institute of Petrochemical Synthesis RAS; 119991 Moscow Russia
| | - Anna V. Zolotukhina
- Department of Petroleum Chemistry and Organic Catalysis; Moscow State University; 119991 Moscow Russia
| | - Nadezhda Yatmanova
- Department of Petroleum Chemistry and Organic Catalysis; Moscow State University; 119991 Moscow Russia
| | - Edward Rosenberg
- Department of Chemistry and Biochemistry; University of Montana; Missoula MT 59812 USA
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31
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Bivona LA, Giacalone F, Vaccaro L, Aprile C, Gruttadauria M. Cross-Linked Thiazolidine Network as Support for Palladium: A New Catalyst for Suzuki and Heck Reactions. ChemCatChem 2015. [DOI: 10.1002/cctc.201500408] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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32
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Martínez‐Olid F, Andrés R, Flores JC, Gómez‐Sal P. Trimetallic PEPPSI‐Type Palladium N‐Heterocyclic Carbene Complexes – Improved Catalyst Lifetime in the Mizoroki–Heck Coupling Reaction. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201500542] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Francisco Martínez‐Olid
- Departamento de Química Orgánica y Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Madrid, Spain
| | - Román Andrés
- Departamento de Química Orgánica y Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Madrid, Spain
| | - Juan C. Flores
- Departamento de Química Orgánica y Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Madrid, Spain
| | - Pilar Gómez‐Sal
- Departamento de Química Orgánica y Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Madrid, Spain
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Abstract
The recovery and reuse of catalysts is a major challenge in the development of sustainable chemical processes. Two methods at the frontier between homogeneous and heterogeneous catalysis have recently emerged for addressing this problem: loading the catalyst onto a dendrimer or onto a magnetic nanoparticle. In this Account, we describe representative examples of these two methods, primarily from our research group, and compare them. We then describe new chemistry that combines the benefits of these two methods of catalysis. Classic dendritic catalysis has involved either attaching the catalyst covalently at the branch termini or within the dendrimer core. We have used chelating pyridyltriazole ligands to insolubilize catalysts at the termini of dendrimers, providing an efficient, recyclable heterogeneous catalysts. With the addition of dendritic unimolecular micelles olefin metathesis reactions catalyzed by commercial Grubbs-type ruthenium-benzylidene complexes in water required unusually low amounts of catalyst. When such dendritic micelles include intradendritic ligands, both the micellar effect and ligand acceleration promote faster catalysis in water. With these types of catalysts, we could carry out azide alkyne cycloaddition ("click") chemistry with only ppm amounts of CuSO4·5H2O and sodium ascorbate under ambient conditions. Alternatively we can attach catalysts to the surface of superparamagnetic iron oxide nanoparticles (SPIONs), essentially magnetite (Fe3O4) or maghemite (γ-Fe2O3), offering the opportunity to recover the catalysts using magnets. Taking advantage of the merits of both of these strategies, we and others have developed a new generation of recyclable catalysts: dendritic magnetically recoverable catalysts. In particular, some of our catalysts with a γ-Fe2O3@SiO2 core and 1,2,3-triazole tethers and loaded with Pd nanoparticles generate strong positive dendritic effects with respect to ligand loading, catalyst loading, catalytic activity and recyclability. In other words, the dendritic catalysts were more efficient and more stable than their nondendritic γ-Fe2O3@SiO2 analogues. The bulk at the dendritic periphery helps to localize the metal nanoparticles at the SPION core surface, which confers these advantages. We could also use sonification as a remarkably simple and efficient method to impregnate the SPIONs with dendrimer-encapsulated PdNPs. Catalysis within the hydrophobic dendrimer pockets that include ligands leads to rapid turnover with or without a γ-Fe2O3@SiO2 core. In addition, catalytically active metal nanoparticles are more robust when they are loaded onto the surface of a γ-Fe2O3@SiO2 dendritic core. Herein, we illustrate this chemistry with examples including olefin metathesis, click chemistry, cross carbon-carbon bond forming reactions, and selective alcohol oxidation.
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Affiliation(s)
- Dong Wang
- ISM, UMR CNRS 5255, University of Bordeaux, 33405 Cedex Talence, France
| | | | - Jaime Ruiz
- ISM, UMR CNRS 5255, University of Bordeaux, 33405 Cedex Talence, France
| | - Didier Astruc
- ISM, UMR CNRS 5255, University of Bordeaux, 33405 Cedex Talence, France
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34
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Menot B, Salmon L, Bouquillon S. Platinum Nanoparticles Stabilized by Glycerodendrimers: Synthesis and Application to the Hydrogenation of α,β‐Unsaturated Ketones under Mild Conditions. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201500530] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Bérengère Menot
- Institut de Chimie Moléculaire de Reims, UMR CNRS 7312, Université Reims‐Champagne‐Ardenne, UFR Sciences, BP 1039 boîte 44, 51687 Reims Cedex 2, France
| | - Lionel Salmon
- Laboratoire de Chimie de Coordination, CNRS & Université de Toulouse (UPS, INP), 31077 Toulouse, France
| | - Sandrine Bouquillon
- Institut de Chimie Moléculaire de Reims, UMR CNRS 7312, Université Reims‐Champagne‐Ardenne, UFR Sciences, BP 1039 boîte 44, 51687 Reims Cedex 2, France
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35
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Caminade AM, Ouali A, Laurent R, Majoral JP. Phosphorus dendrimers as supports of transition metal catalysts. Inorganica Chim Acta 2015. [DOI: 10.1016/j.ica.2014.10.035] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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36
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Karakhanov EA, Maksimov AL, Zakharian EM, Kardasheva YS, Savilov SV, Truhmanova NI, Ivanov AO, Vinokurov VA. Palladium nanoparticles encapsulated in a dendrimer networks as catalysts for the hydrogenation of unsaturated hydrocarbons. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcata.2014.10.018] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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37
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Bukowska A, Bukowski W, Bester K, Flaga S. Linkage of the PAMAM type dendrimer with the gel type resin based on glycidyl methacrylate terpolymer as a method of preparation of the polymer support for the recyclable palladium catalyst for Suzuki–Miyaura cross-coupling reactions. RSC Adv 2015. [DOI: 10.1039/c5ra04637h] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Poly(amidoamine) PAMAM type hyperbranched systems were immobilized on an epoxy functionalized polymer based on glycidyl methacrylate (the GMA resin).
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Affiliation(s)
- Agnieszka Bukowska
- Faculty of Chemistry
- Rzeszów University of Technology
- 35-959 Rzeszów
- Poland
| | - Wiktor Bukowski
- Faculty of Chemistry
- Rzeszów University of Technology
- 35-959 Rzeszów
- Poland
| | - Karol Bester
- Faculty of Chemistry
- Rzeszów University of Technology
- 35-959 Rzeszów
- Poland
| | - Sylwia Flaga
- Faculty of Chemistry
- Rzeszów University of Technology
- 35-959 Rzeszów
- Poland
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38
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Kettemann F, Wuithschick M, Caputo G, Kraehnert R, Pinna N, Rademann K, Polte J. Reliable palladium nanoparticle syntheses in aqueous solution: the importance of understanding precursor chemistry and growth mechanism. CrystEngComm 2015. [DOI: 10.1039/c4ce01025f] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The consideration of precursor chemistry and growth mechanism enables the reliable synthesis of palladium nanoparticles even in the absence of stabilizing agents.
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Affiliation(s)
| | | | - Gianvito Caputo
- Department of Chemistry
- Humboldt-Universität zu Berlin
- , Germany
| | | | - Nicola Pinna
- Department of Chemistry
- Humboldt-Universität zu Berlin
- , Germany
| | - Klaus Rademann
- Department of Chemistry
- Humboldt-Universität zu Berlin
- , Germany
| | - Jörg Polte
- Department of Chemistry
- Humboldt-Universität zu Berlin
- , Germany
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39
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Wang Q, Zhang Y, Zhou Y, Zhang Z, Xu Y, Zhang C, Sheng X. Synthesis of dendrimer-templated Pt nanoparticles immobilized on mesoporous alumina for p-nitrophenol reduction. NEW J CHEM 2015. [DOI: 10.1039/c5nj02318a] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dendrimer-templated mesoporous alumina-supported Pt nanocatalysts were prepared and used to catalyze reduction reaction after calcination at different temperatures in nitrogen.
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Affiliation(s)
- Qianli Wang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- P. R. China
| | - Yiwei Zhang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- P. R. China
| | - Yuming Zhou
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- P. R. China
| | - Zewu Zhang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- P. R. China
| | - Yuanmei Xu
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- P. R. China
| | - Chao Zhang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- P. R. China
| | - Xiaoli Sheng
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- P. R. China
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40
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41
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Acham VR, Biradar AV, Dongare MK, Kemnitz E, Umbarkar SB. Palladium Nanoparticles Supported on Magnesium Hydroxide Fluorides: A Selective Catalyst for Olefin Hydrogenation. ChemCatChem 2014. [DOI: 10.1002/cctc.201402469] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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42
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Karakhanov E, Maximov A, Kardasheva Y, Semernina V, Zolotukhina A, Ivanov A, Abbott G, Rosenberg E, Vinokurov V. Pd nanoparticles in dendrimers immobilized on silica-polyamine composites as catalysts for selective hydrogenation. ACS APPLIED MATERIALS & INTERFACES 2014; 6:8807-8816. [PMID: 24766137 DOI: 10.1021/am501528a] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
New heterogeneous hydrogenation catalysts, based on Pd nanoparticles and polypropyleneimine (PPI) dendrimers of the third generation that have been covalently grafted to a silica surface modified with polyallylamine (PAA) have been synthesized. The final products were characterized by TEM, XPS, and solid-state NMR spectroscopy. The synthesized materials are effective catalysts for selective hydrogenation of dienes to monoenes and phenyl acetylene to styrene at very high substrate/Pd ratios with turnover rates higher than related Pd nanoparticle catalysts. The synthesized catalysts can be reused without any loss of activity in the case of styrene and isoprene.
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Affiliation(s)
- Edward Karakhanov
- Department of Petroleum Chemistry and Organic Catalysis, Moscow State University , 119991 Moscow, Russia
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43
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44
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45
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Martínez-Olid F, Jesús ED, Flores JC. Monometallic nickel(II) complexes containing N,N′-iminopyridine chelating ligands with dendritic substituents: The influence of dendrimer topology on the catalytic oligomerization and polymerization of ethylene. Inorganica Chim Acta 2014. [DOI: 10.1016/j.ica.2013.07.025] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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46
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47
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Caminade AM, Laurent R, Ouali A, Majoral JP. Poly(phosphorhydrazone) metallodendrimers. A review. Inorganica Chim Acta 2014. [DOI: 10.1016/j.ica.2013.06.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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48
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Navalón S, Álvaro M, García H. Polymer- and Ionic Liquid-Containing Palladium: Recoverable Soluble Cross-Coupling Catalysts. ChemCatChem 2013. [DOI: 10.1002/cctc.201300339] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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49
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Pavia C, Ballerini E, Bivona LA, Giacalone F, Aprile C, Vaccaro L, Gruttadauria M. Palladium Supported on Cross-Linked Imidazolium Network on Silica as Highly Sustainable Catalysts for the Suzuki Reaction under Flow Conditions. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300215] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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50
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Keller M, Perrier A, Linhardt R, Travers L, Wittmann S, Caminade AM, Majoral JP, Reiser O, Ouali A. Dendrimers or Nanoparticles as Supports for the Design of Efficient and Recoverable Organocatalysts? Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300120] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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