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Journal articles on the topic 'Palladium(II) eng'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Cavell, KJ, KY Chan, EJ Peacock, MJ Ridd, and NW Davies. "Olefin Isomerization Catalysts Based on Dithio Palladium(II) Complexes." Australian Journal of Chemistry 44, no. 2 (1991): 171. http://dx.doi.org/10.1071/ch9910171.

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The catalytic double-bond shift isomerization of α-olefins by dithio-β-diketonate palladium complexes Pd{CH3C(S)CHC(S)CH3}(PL1L2L3)X(1) and [Pd{CH3C(S)CHC(S)CH3}{Ph2PCH2CH2PPh2}]Y(2)(X = 1, Br; Y = halide, PF6, BPh4) is described. Catalysts are formed on activation of the complexes by a variety of alkylaluminium cocatalysts . Several of the catalysts are highly active for isomerization of oct-1-ene and but-1-ene, activities being higher than normally obtained for palladium systems. In contrast to the majority of palladium-based catalysts product distributions rapidly approached thermodynamic e

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2

Hubicki, Zbigniew, Halina Hubicka, and Bozena Lodyga. "Studies of the Separation of Palladium(II) Microquantities from Macroquantities of Salts of other Elements on Selective Ion Exchangers." Adsorption Science & Technology 14, no. 1 (1996): 5–23. http://dx.doi.org/10.1177/026361749601400102.

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The applicability of selective ion exchangers for the removal of palladium(II) from solutions of copper(II), nickel(II), aluminium(III) salts, hydrochloric acid, a mixture of hydrochloric and nitric acids as well as a mixture of hydrochloric acid and ammonium chloride has been studied by frontal analysis. The best results were obtained in the purification of copper(II) and nickel(II) salts on Chelite S with functional thiol groups, Duolite ES-346 with functional amidoxime groups and Lewatit TP-214 with functional thiourea groups. A decrease of palladium(II) content below 5 × 10−5% was obtained

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3

Ma, Dongxia, Congjie Zhang, Zhe-Ning Chen, and Xin Xu. "Rational design of model Pd(ii)-catalysts for C–H activation involving ligands with charge-shift bonding characteristics." Physical Chemistry Chemical Physics 19, no. 3 (2017): 2417–24. http://dx.doi.org/10.1039/c6cp06215f.

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4

Justin Thomas, K. R., Jiann T. Lin, and Kuan-Jiuh Lin. "Ferrocene End-Capped Palladium(II) and Platinum(II) Complexes with Thiophene Spacers." Organometallics 18, no. 25 (1999): 5285–91. http://dx.doi.org/10.1021/om990556z.

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5

Miller, D. G., and D. D. M. Wayner. "Electrode-mediated Wacker oxidation of cyclic and internal olefins." Canadian Journal of Chemistry 70, no. 9 (1992): 2485–90. http://dx.doi.org/10.1139/v92-314.

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An improved method for the electrode-mediated oxidations of olefins by palladium(II) is described. Current efficiencies from 80% to 95% were obtained in oxidations of 1-decene, styrene, trans-2-octene, and cyclohexene in which perchloric acid was added to a chloride-free solution of a palladium(II) acetate catalyst. The palladium(0) was reoxidized to palladium(II) by reaction with catalytic amounts of benzoquinone, which was, in turn, regenerated by anodic oxidation. Addition of varying amounts of perchloric acid did not affect the current efficiency but accelerated the oxidation reaction, up

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6

Mucalo, Michael R., and Ralph P. Cooney. "The effect of added salts on carbon monoxide adsorption on platinum and palladium hydrosols: an FTIR study." Canadian Journal of Chemistry 69, no. 11 (1991): 1649–55. http://dx.doi.org/10.1139/v91-242.

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Fourier transform infrared spectroscopy has been used to investigate the effect of added cations and anions on CO adsorption on platinum and palladium hydrosols. In general, anion effects on CO adsorption may be classified into three categories. In the first category, poisoning anions (e.g. CN−, SH−) block the surface against CO adsorption so that infrared spectra exhibit either no ν(CO)ads bands or ν(CO)ads bands at lower frequencies (< 2070 cm−1). In the second category, inert anions (e.g. the halides, citrate, EDTA2−) have no apparent effect on ν(CO)ads. The third category is characteris

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7

Rinaudo, Matías G., Ana M. Beltrán, María A. Fernández, Luis E. Cadús, and Maria R. Morales. "Synthesis and Characterization of Pd over Novel TiO2 Mixtures: Insights on Metal–Support Interactions." Chemistry Proceedings 2, no. 1 (2020): 13. http://dx.doi.org/10.3390/eccs2020-07529.

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Palladium nanoparticles were supported on unusual mixtures of anatase, TiO2 (II) and rutile titania phases by wet impregnation, obtaining catalysts with metal contents of ca. 0.25 wt % labeled Pd/Ti5, Pd/Ti45, and Pd/Ti120. Crystalline structures were confirmed by X-ray diffraction. Pd particle sizes in the range of 4–20 nm were observed by scanning-transmission electron Microscopy. External surface areas (SBET) in the range 10–17 m2 g−1 were higher enough to achieve a good distribution of palladium over titanium oxide outer surface, as evidenced by energy-dispersive X-ray spectroscopy element

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8

Wiecka, Zuzanna, Martyna Rzelewska-Piekut, Irmina Wojciechowska, Karolina Wieszczycka, and Magdalena Regel-Rosocka. "Recovery of Palladium(II) and Platinum(IV) in Novel Extraction Systems." Materials 14, no. 2 (2021): 285. http://dx.doi.org/10.3390/ma14020285.

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Recovery of platinum group metals (PGM) from complex aqueous solutions generated as a result of leaching of various spent materials (e.g., spent automotive converters) is a vital issue in the context of the circular economy. In this study pyridinium derivatives containing an imidoamide or imine moiety (i.e., 3-[1-(2-ethylhexyloxyimine)methane]-1-propylpyridinium chloride, 3-[1-(decyloxyimine)methane]-1-propylpyridinium chloride, 3-[1-(decyloxyimine)ethane]-1-propylpyridinium chloride and 4-[1-amine(2-ethylhexyloxyimine)]-1-propylpyridinium chloride) are proposed as novel extractants for recove

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9

Wiecka, Zuzanna, Martyna Rzelewska-Piekut, Irmina Wojciechowska, Karolina Wieszczycka, and Magdalena Regel-Rosocka. "Recovery of Palladium(II) and Platinum(IV) in Novel Extraction Systems." Materials 14, no. 2 (2021): 285. http://dx.doi.org/10.3390/ma14020285.

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Recovery of platinum group metals (PGM) from complex aqueous solutions generated as a result of leaching of various spent materials (e.g., spent automotive converters) is a vital issue in the context of the circular economy. In this study pyridinium derivatives containing an imidoamide or imine moiety (i.e., 3-[1-(2-ethylhexyloxyimine)methane]-1-propylpyridinium chloride, 3-[1-(decyloxyimine)methane]-1-propylpyridinium chloride, 3-[1-(decyloxyimine)ethane]-1-propylpyridinium chloride and 4-[1-amine(2-ethylhexyloxyimine)]-1-propylpyridinium chloride) are proposed as novel extractants for recove

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10

Ivanova, Valentina, Mila Manolova, and Dieter M. Kolb. "Palladium and Platinum Deposition onto 4-Mercaptopyridine SAMs." Solid State Phenomena 121-123 (March 2007): 363–68. http://dx.doi.org/10.4028/www.scientific.net/ssp.121-123.363.

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A novel technique has recently been presented for depositing metal layers onto a SAM. This is demonstrated here for Pd and Pt deposits on a mercaptopyridine (4-PyS) SAM. The SAMcovered Au(111) electrode is immersed into the metal-ion-containing solution without potential control. As a result, metal ions, e.g., Pd(II) (respectively Pt(II)) adsorb on the surface by forming a complex with the pyridine species. Subsequently, the electrode is transferred to a metal-ion-free solution, where the adsorbed metal ions are reduced electrochemically to its zero-valent state. Upon reduction, monoatomic hig

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11

Aikawa, Kohsuke, Satoshi Kainuma, Manabu Hatano, and Koichi Mikami. "Asymmetric catalysis of ene reactions with trifluoropyruvate catalyzed by dicationic palladium(II) complexes." Tetrahedron Letters 45, no. 1 (2004): 183–85. http://dx.doi.org/10.1016/j.tetlet.2003.10.137.

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12

Luo, He-Kuan, Lim Bee Khim, Herbert Schumann, Christina Lim, Tan Xiang Jie, and Hai-Yan Yang. "Enantioselective Carbonyl-Ene Reactions of Arylglyoxals with a Chiral Palladium(II)-BINAP Catalyst." Advanced Synthesis & Catalysis 349, no. 10 (2007): 1781–95. http://dx.doi.org/10.1002/adsc.200600361.

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13

Luo, He-Kuan, Hai-Yan Yang, Tan Xiang Jie, et al. "Water-tolerant enantioselective carbonyl-ene reactions with palladium(II) and platinum(II) Lewis acid catalysts bearing BINAP." Journal of Molecular Catalysis A: Chemical 261, no. 1 (2007): 112–19. http://dx.doi.org/10.1016/j.molcata.2006.07.068.

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14

Holzberger, Anja, and Erich Kleinpeter. "Solution structure of the palladium(II) complex of 1,4,7,10-tetrathiacyclododec-2-ene-2,3-dicarbonitrile." Magnetic Resonance in Chemistry 42, no. 7 (2004): 589–93. http://dx.doi.org/10.1002/mrc.1378.

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15

Luo, He-Kuan, Yuan-Ling Woo, Herbert Schumann, et al. "Palladium(II) Complexes of C2-Bridged Chiral Diphosphines: Application to Enantioselective Carbonyl-Ene Reactions." Advanced Synthesis & Catalysis 352, no. 8 (2010): 1356–64. http://dx.doi.org/10.1002/adsc.200900888.

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16

Curran, Katherine, Wilhelm Risse, Mark Hamill, et al. "Palladium(II)-Catalyzed Rearrangement and Oligomerization Reactions of cis-Bicyclo[4.2.0]oct-7-ene." Organometallics 31, no. 3 (2012): 882–89. http://dx.doi.org/10.1021/om200877p.

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17

Zhang, Shuren, Zilong Zhang, Hongwei Fu, Xiao Li, Hongmei Zhan, and Yanxiang Cheng. "Synthesis of polyfluorene containing simple functional end group with aryl palladium(II) complexes as initiators." Journal of Organometallic Chemistry 825-826 (December 2016): 100–113. http://dx.doi.org/10.1016/j.jorganchem.2016.10.029.

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18

Rusinque, Bianca, Salvador Escobedo, and Hugo de Lasa. "Photocatalytic Hydrogen Production Under Near-UV Using Pd-Doped Mesoporous TiO2 and Ethanol as Organic Scavenger." Catalysts 9, no. 1 (2019): 33. http://dx.doi.org/10.3390/catal9010033.

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Photocatalysis can be used advantageously for hydrogen production using a light source (near-UV light), a noble metal-doped semiconductor and an organic scavenger (2.0 v/v% ethanol). With this end, palladium was doped on TiO2 photocatalysts at different metal loadings (0.25 to 5.00 wt%). Photocatalysts were synthetized using a sol-gel method enhancing morphological properties with a soft template precursor. Experiments were carried out in the Photo-CREC Water II reactor system developed at CREC-UWO (Chemical Reactor Engineering Centre- The University of Western Ontario) Canada. This novel unit

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19

Robertson, Mark J., Geoffrey A. Lawrance, Marcel Maeder, and Peter Turner. "Octahedral Complexes of a Mixed N,N,O-Donor Ligand N-trans-(2'-hydroxycyclohexyl)-2-aminomethylpyridine." Australian Journal of Chemistry 57, no. 5 (2004): 483. http://dx.doi.org/10.1071/ch03208.

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The unsymmetric mixed-donor Nam,Npy,O-ligand N-trans-(2'-hydroxycyclohexyl)-2-aminomethylpyridine (pyca, 1) was readily prepared by reaction of an epoxide (cyclohexene oxide) with (2-aminomethyl)pyridine. The ligand forms octahedral bis-tridentate complexes, exemplified with isolation of copper(II), nickel(II), zinc(II), and cobalt(III) compounds; in addition, a square-planar palladium(II) complex with the ligand behaving as bidentate was prepared. The bis-tridentate octahedral complexes may exist in six geometric isomeric forms, and molecular mechanics analysis was employed to predict the mos

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20

Luo, He-Kuan, Yuan-Ling Woo, Herbert Schuhmann, et al. "ChemInform Abstract: Palladium(II) Complexes of C2-Bridged Chiral Diphosphines: Application to Enantioselective Carbonyl-Ene Reactions." ChemInform 41, no. 44 (2010): no. http://dx.doi.org/10.1002/chin.201044024.

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21

Kumar, V. Vijaya, C. Ramesh Kumar, A. Suresh, S. Jayalakshmi, U. Kamachi Mudali, and N. Sivaraman. "Evaluation of polybenzimidazole-based polymers for the removal of uranium, thorium and palladium from aqueous medium." Royal Society Open Science 5, no. 6 (2018): 171701. http://dx.doi.org/10.1098/rsos.171701.

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Four types of polybenzimidazole (PBI)-based polymers ( m -PBI, p -PBI, pyridine-based m -PBI and alkylated m -PBI) have been prepared and characterized. Extraction behaviour of heavy metal ions, viz. U(VI), Th(IV) and Pd(II), with these polymers was investigated. Distribution ratios for the extraction of these metal ions were measured as a function of nitric acid concentration. Extraction data reveal that, in general, p -PBI exhibits a higher distribution ratio for U(VI), Th(IV) and Pd(II) compared with the other polymeric resins evaluated in the present study. Column chromatography experiment

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22

Ahn, Jou-Hyeon, and David C. Sherrington. "Wacker Oxidation of Oct-1-ene Using a Palladium(II) Complex Supported on Cyano-Functionalized Polyimide Beads." Macromolecules 29, no. 11 (1996): 4164–65. http://dx.doi.org/10.1021/ma951780c.

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23

Hao, Jian, Manabu Hatano та Koichi Mikami. "Chiral Palladium(II)-Catalyzed Asymmetric Glyoxylate−Ene Reaction: Alternative Approach to the Enantioselective Synthesis of α-Hydroxy Esters". Organic Letters 2, № 25 (2000): 4059–62. http://dx.doi.org/10.1021/ol0066983.

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24

Mikami, Koichi, Kohsuke Aikawa, Satoshi Kainuma, et al. "Enantioselective catalysis of carbonyl-ene and Friedel–Crafts reactions with trifluoropyruvate by ‘naked’ palladium(II) complexes with SEGPHOS ligands." Tetrahedron: Asymmetry 15, no. 24 (2004): 3885–89. http://dx.doi.org/10.1016/j.tetasy.2004.10.022.

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25

Hatano, Manabu, and Koichi Mikami. "Highly Enantioselective Quinoline Synthesis via Ene-type Cyclization of 1,7-Enynes Catalyzed by a Cationic BINAP−Palladium(II) Complex." Journal of the American Chemical Society 125, no. 16 (2003): 4704–5. http://dx.doi.org/10.1021/ja0292748.

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26

Margl, Peter, and Tom Ziegler. "Palladium(II)-Assisted Copolymerization of Ethylene and CO: Influence of the Chain End on the Regularity of the Polymer." Organometallics 15, no. 26 (1996): 5519–23. http://dx.doi.org/10.1021/om960521o.

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27

Horner, Leopold, and Hans Ziegler. "Chemie an starren Grenzflächen, 7 [1] Ausgewählte Beispiele der chemischen Grenzflächenmodifizierung von Aerosil / Chemistry at Rigid Surfaces, 7 [1] Selected Examples of the Chemical Surface Modification of Aerosil." Zeitschrift für Naturforschung B 42, no. 5 (1987): 643–60. http://dx.doi.org/10.1515/znb-1987-0520.

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Aminoaerosil containing primary amino end groups is obtained according (1) by reaction of aerosil with γ-triethoxysilylpropyl amine (Table II).The NH2-anchor groups are acylated in the usual manner: carbonic acid anhydrides, acid chlorides and acid azides and by application of the carbodiimide method (Table III). Optically active groups and phosphoric acid diestergroups are covalently linked with the surface of aerosil according (2) and (3). Aminoaerosil reacts with vinylsulfones as anchor groups of dyes (Remazol- Dyes) producing a covalent bond according (6).Functional groups linked to the su

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28

Montgomery, John, Gary M. Wieber, and Louis S. Hegedus. "Synthesis of optically active ene carbamates from chromium carbene complexes: use in palladium(II)-assisted synthesis of relays to (+)-thienamycin." Journal of the American Chemical Society 112, no. 17 (1990): 6255–63. http://dx.doi.org/10.1021/ja00173a012.

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29

Hao, Jian, Manabu Hatano та Koichi Mikami. "ChemInform Abstract: Chiral Palladium(II)-Catalyzed Asymmetric Glyoxylate-Ene Reaction: Alternative Approach to the Enantioselective Synthesis of α-Hydroxy Esters." ChemInform 32, № 14 (2001): no. http://dx.doi.org/10.1002/chin.200114080.

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30

Mikami, Koichi, Yuji Kawakami, Katsuhiro Akiyama, and Kohsuke Aikawa. "Enantioselective Catalysis of Ketoester-ene Reaction of Silyl Enol Ether to Construct Quaternary Carbons by Chiral Dicationic Palladium(II) Complexes." Journal of the American Chemical Society 129, no. 43 (2007): 12950–51. http://dx.doi.org/10.1021/ja076539f.

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31

Masters, John J., Louis S. Hegedus, and Joaquin Tamariz. "Palladium(II)-assisted dialkylation and alkylation/acylation of optically active ene carbamates via trialkylorganostannane cross-coupling and carbonylative coupling processes." Journal of Organic Chemistry 56, no. 19 (1991): 5666–71. http://dx.doi.org/10.1021/jo00019a038.

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32

Rusinque, Bianca, Salvador Escobedo, and Hugo de Lasa. "Hydrogen Production via Pd-TiO2 Photocatalytic Water Splitting under Near-UV and Visible Light: Analysis of the Reaction Mechanism." Catalysts 11, no. 3 (2021): 405. http://dx.doi.org/10.3390/catal11030405.

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Photocatalytic hydrogen production via water splitting using a noble metal on a TiO2 is a technology that has developed rapidly over the past few years. Specifically, palladium doped TiO2 irradiated with near-UV or alternatively with visible light has shown promising results. With this end in mind, strategically designed experiments were developed in the Photo-CREC Water-II (PCW-II) Reactor using a 0.25 wt.% Pd-TiO2 under near-UV and visible light, and ethanol as an organic scavenger. Acetaldehyde, carbon monoxide, carbon dioxide, methane, ethane, ethylene, and hydrogen peroxide together with

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33

Catellani, Marta, and Brian E. Mann. "Conformational effects in elementary steps in catalytic reactions. Oxidative addition of 3-bromoprop-1-ene to a palladium(II) metallacyclic complex." Journal of Organometallic Chemistry 390, no. 2 (1990): 251–55. http://dx.doi.org/10.1016/0022-328x(90)85036-x.

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34

Jash, Moumita, Sukanya De, Subhendu Pramanik, and Chinmay Chowdhury. "Palladium(II)-Catalyzed Cascade Reactions of Ene–Ynes Tethered to Cyano/Aldehyde: Access to Naphtho[1,2-b]furans and Benzo[g]indoles." Journal of Organic Chemistry 84, no. 14 (2019): 8959–75. http://dx.doi.org/10.1021/acs.joc.9b00861.

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35

MASTERS, J. J., L. S. HEGEDUS, and J. TAMARIZ. "ChemInform Abstract: Palladium(II)-Assisted Dialkylation and Alkylation/Acylation of Optically Active Ene Carbamates via Trialkylorganostannane Cross- Coupling and Carbonylative Coupling Processes." ChemInform 23, no. 6 (2010): no. http://dx.doi.org/10.1002/chin.199206123.

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36

Bini, Luca, Domitille Schvartz, Chiara Carnemolla, et al. "Intracellular and Extracellular Markers of Lethality in Osteogenesis Imperfecta: A Quantitative Proteomic Approach." International Journal of Molecular Sciences 22, no. 1 (2021): 429. http://dx.doi.org/10.3390/ijms22010429.

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Osteogenesis imperfecta (OI) is a heritable disorder that mainly affects the skeleton. The inheritance is mostly autosomal dominant and associated to mutations in one of the two genes, COL1A1 and COL1A2, encoding for the type I collagen α chains. According to more than 1500 described mutation sites and to outcome spanning from very mild cases to perinatal-lethality, OI is characterized by a wide genotype/phenotype heterogeneity. In order to identify common affected molecular-pathways and disease biomarkers in OI probands with different mutations and lethal or surviving phenotypes, primary fibr

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37

Martin, Claudine, Mahmoud Faraj, Jacques Martin, et al. "Homogeneous oxidation of oct-1-ene by dioxygen or t-butyl hydroperoxide catalyzed by rhodium(III) or palladium(II) species: studies with 18O2 and [2-2H] oct-1-ene." Journal of Molecular Catalysis 37, no. 2-3 (1986): 201–12. http://dx.doi.org/10.1016/0304-5102(86)85009-x.

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38

LEVIN, J. I. "ChemInform Abstract: Palladium-Catalyzed Coupling of an α-Stannyl Acrylate (II) to Aryl Iodides (I) and Triflates, e.g. (IV). A One-Step Synthesis of Aryl Propenoic Esters, e.g. (III), (V)." ChemInform 25, № 12 (2010): no. http://dx.doi.org/10.1002/chin.199412122.

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39

van Beek, Johannus A. M., Gerard van Koten, Guido P. C. M. Dekker, Elmo Wissing, Martin C. Zoutberg та Caspar H. Stam. "Synthesis and reactivity towards diiodine of palladium(II) and platinum(II) complexes with non-cyclic and cyclic ligands (C6H3{CH2NR1R2}2-2,6)−. End-on diiodine-platinum(II) bonding in macrocyclic [PtI(C6H3{CH2NMe(CH2)7MeNCH2}-2,6)(η1-I2)]". Journal of Organometallic Chemistry 394, № 1-3 (1990): 659–78. http://dx.doi.org/10.1016/0022-328x(90)87260-k.

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40

Hatano, Manabu, and Koichi Mikami. "Highly enantioselective ene-type spiro-cyclization of allyl propargyl ethers catalyzed by cationic palladium(II) complexes with a new type of PN-ligand bearing achiral gem-dimethyl oxazoline." Journal of Molecular Catalysis A: Chemical 196, no. 1-2 (2003): 165–69. http://dx.doi.org/10.1016/s1381-1169(02)00647-7.

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41

Szymański, Karol. "Kina warszawskie: wrzesień–grudzień 1939 roku." Przegląd Humanistyczny 61 (September 4, 2017): 0. http://dx.doi.org/10.5604/01.3001.0010.4154.

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Karol Szymański depicts the history of the Warsaw cinemas and analyzes the cinema repertoire in the particular time from September to December 1939 (that is from the outbreak of World War II, through the defense and the siege of Warsaw, until the first months of the German occupation) taking into account a wider context of living conditions in the capital as well as a changing front and political situation. The author draws attention, among other things, to the rapid decrease in the cinema audience in the first week of September. As a consequence cinemas ceased to work, which made them unable

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42

Paddon-Jones, Gregory C., Christopher S. P. McErlean, Patricia Hayes, Christopher J. Moore, Wilfried A. Konig та William Kitching. "Synthesis and Stereochemistry of Some Bicyclic γ-Lactones from Parasitic Wasps (Hymenoptera: Braconidae). Utility of Hydrolytic Kinetic Resolution of Epoxides and Palladium(II)-Catalyzed Hydroxycyclization−Carbonylation−Lactonization of Ene-diols". Journal of Organic Chemistry 66, № 22 (2001): 7487–95. http://dx.doi.org/10.1021/jo0159237.

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43

Hatano, Manabu, and Koichi Mikami. "Highly enantioselective alkaloid synthesis via ene-type cyclizations catalyzed by cationic chiral palladium(ii) complexes of PN-ligands with an achiral oxazoline unitElectronic supplementary information (ESI) available: spectral data of substrates, cyclized products and PN-ligands and crystallographic data of Pd complexes. See http://www.rsc.org/suppdata/ob/b3/b305865b/." Organic & Biomolecular Chemistry 1, no. 22 (2003): 3871. http://dx.doi.org/10.1039/b305865b.

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44

Avenoso, Daniele, Margherita Squillario, Annalisa Barla, et al. "Next Generation Sequencing and Microrna Assay in a Cohort of Patients Affected By Myelodysplastic Syndromes. an Analysis of Clinical and Genotypic Features." Blood 134, Supplement_1 (2019): 5414. http://dx.doi.org/10.1182/blood-2019-130153.

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Introduction : The myelodysplastic syndromes (MDS) are a group of clonal haematopoietic stem cell disorders and they can be a consequence of genomic/chromosomal instability. The World Health Organization (WHO) 2008 classification divides the MDS in 4 types: refractory anaemia with excess of blast (RAEB), refractory anaemia (RA), refractory cytopenia with multilineage dysplasia (RCMD) and chronic myelomonocytic leukaemia (CMML). Various mechanisms contribute to the pathogenesis and prognosis of the disease and currently next generation sequencing (NGS) detects pathogenic gene mutations that can

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45

Landau, Heather, Raymond L. Comenzo, Tasneem Balasinorwala, et al. "The Majority of Patients with Relapsing Light Chain (AL) Amyloidosis Are Not Eligible for Enrollment Onto Clinical Trials: Using Screen Failures to Define Major Unmet Medical Needs." Blood 126, no. 23 (2015): 1786. http://dx.doi.org/10.1182/blood.v126.23.1786.1786.

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Abstract Background: Hematologic response criteria in AL amyloidosis are based on reduction of FLCs and correlate with organ improvement and survival in the front-line setting (Palladini 2012). Hematologic progression is defined from complete response (CR) as any detectable monoclonal (m) protein or abnormal FLC ratio (light chain must double); and from partial response (PR) as a 50% increase in serum or urine m-protein to > 0.5g/dl or 200mg/d respectively; or a 50% increase in FLC to > 10mg/dL based on consensus criteria (Gertz 2005); while cardiac and renal progression criteria have re

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Palladini, Giovanni, Paolo Milani, Simone Celant, et al. "The Italian Medicines Agency Prospective Registry of Bortezomib-Based Treatment in AL Amyloidosis." Blood 136, Supplement 1 (2020): 22. http://dx.doi.org/10.1182/blood-2020-141563.

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Background: There is no licensed therapy for light chain (AL) amyloidosis; however, bortezomib (B) is considered standard upfront treatment. Existing data on safety and efficacy of B in AL amyloidosis derive from clinical trials and retrospective series from few referral centers and only partly reflect real-world practice. In 2011, the Italian Medicines Agency (AIFA) started a program to grant access to upfront B to patients with AL amyloidosis. Treated patients had to be enrolled in an online registry and prospectively followed during therapy. We report the treatment experience in this real-w

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Salazar, Chase A., Kaylin N. Flesch, Brandon E. Haines, Philip S. Zhou, Djamaladdin G. Musaev, and Shannon S. Stahl. "Tailored quinones support high-turnover Pd catalysts for oxidative C–H arylation with O2." Science, November 19, 2020, eabd1085. http://dx.doi.org/10.1126/science.abd1085.

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Palladium(II)-catalyzed C–H oxidation reactions could streamline the synthesis of pharmaceuticals, agrochemicals, and other complex organic molecules. Existing methods, however, commonly exhibit poor catalyst performance with high Pd loading (e.g., 10 mol %) and a need for (super)stoichiometric quantities of undesirable oxidants, such as benzoquinone and silver(I) salts. The present study probes the mechanism of a representative Pd-catalyzed oxidative C–H arylation reaction and elucidates mechanistic features that undermine catalyst performance, including substrate-consuming side reactions and

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Domingues, Nelson Luís C., Beatriz F. dos Santos, Beatriz A. L. da Silva, Aline R. de Oliveira, and Maria H. Sarragiotto. "Anchored Pd(0) Nanoparticles on Synthetic Talc for the Synthesis of Biaryls and a Precursor of Angiotensin II Inhibitors." Synthesis, December 15, 2020. http://dx.doi.org/10.1055/s-0040-1705989.

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AbstractThe palladium-catalyzed Suzuki–Miyaura cross-coupling reaction is one of the most important and efficient reactions to prepare a variety of organic compounds, including biaryls. Despite the overwhelming number of reports related to this topic, some methodological difficulties persist in terms of catalyst handling, recovery, and reuse, as well as the reaction media. This work reports the rational design of new, efficient, cost-effective, and reusable palladium catalysts supported on synthetic talc for the Suzuki–Miyaura reaction. From the results, key points were identified: both design

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Luo, He-Kuan, Lim Bee Khim, Herbert Schumann, Christina Lim, Tan Xiang Jie, and Hai-Yan Yang. "Enantioselective Carbonyl-Ene Reactions of Arylglyoxals with a Chiral Palladium(II)-BINAP Catalyst." ChemInform 38, no. 45 (2007). http://dx.doi.org/10.1002/chin.200745089.

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Aikawa, Kohsuke, Satoshi Kainuma, Manabu Hatano, and Koichi Mikami. "Asymmetric Catalysis of Ene Reactions with Trifluoropyruvate Catalyzed by Dicationic Palladium(II) Complexes." ChemInform 35, no. 15 (2004). http://dx.doi.org/10.1002/chin.200415028.

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