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    Search term:"catalysis"

    752 matches found for catalysis

    Chiral Chemistry

    Sigma-Aldrich is a leader in chiral products and services in chemical synthesis, drug discovery, and analytical assessment. Chiral chemistry is a core component for the synthesis of natural products and drugs and the quest to find chiral catalysts capable of achieving high selectivity for a variety ...

    Stephen Buchwald Group – Professor Product Portal

    Professor Product Portal Index Professor Stephen Buchwald The Buchwald group has developed a series of highly active and versatile palladium precatalysts and biarylphosphine ligands used in cross-coupling reactions for the formation of C-C, C–N, C–O, C–F, C–CF3, and C–S bonds. The ligands are electr...

    Learning Center - Chiral Chemistry

    Aldrich Chemistry Webinars • Cheminar 2.1 - Trost Bis-ProPhenol Ligands: Highly Efficient Ligands for Asymmetric Aldol-Type Reactions • Cheminar 3.2 - Formation of C–C Bonds via Catalytic Hydrogenation

    Bayberry (Myrica cerifera) | Plant Profiler

    Synonyms / Common Names / Related Terms Anthocyanins, antioxidant, arbre à cire (French), arbre à suif (French), arrayán (Spanish), arrayán brabántico (Spanish), Asian bayberry, bay-rum tree, bog-myrtle, bois-sent-bon (French), box berry, box myrtle, Brabantimirtusz (Hungarian), C-methylated dihydro...

    Stephen Heller Group - Professor Product Portal

    Professor Product Portal Index Professor Stephen Heller Professor Heller and coworkers are engaged in the development of mild and chemoselective acylation reactions using carbonylazole-derived reagents. To that end, they have developed a suite of carbonylimidazole derivatives for facile and chemosel...

    An Investigation of Norpropoxyphene Cyclization in Methanol

    • • Download PDF • • Abstract • Introduction • Observations from Norpropoxyphene Analysis by GC/MS and LC/MS • HPLC Analysis of Norpropoxyphene • LC/MS Analysis of Norpropoxyphene • LC/MS Analysis of Norpropoxyphene Amide • LC/MS Analysis of Norpropoxyphene Solution Behavior in Methanol • 1D & 2D 1H...

    HZIF-1Mo | Metal-Organic Frameworks (MOF's)

    Explore MOF Applications, Properties and Materials to construct MOFs in the MOF Constructor Tool Literature suggests that the following materials can be used to prepare HZIF-1Mo. • Linker: HMIM, 2-MIM (2-methylimidazole) • Metal Source: Molybdenum Salts (Mo) • Crytallographic and supplementary infor...

    Fluorescent Microparticles in Biochemistry

    Fluorescently labeled particles are useful as standards in flow cytometry, confocal laser scanning microscopy, and with light scattering instruments. They also have been used in environmental science as tracers in flow measurements of gases and liquids, such as laser Doppler anemometry (LDA), partic...

    Stradiotto Group – Professor Product Portal

    Professor Product Portal Index Professor Mark Stradiotto The main focus of the Stradiotto group has centered on the development and application of novel electronically rich, sterically encumbered P,N-based ancillary ligands for use in late metal catalysis, including Pd and Au chemistry. To this end,...

    glyoxalase I
    Synonyms GLOD1, GLYI
    Species Human (2739) , Species Mouse (109801) , Species Rat (294320) , Species Zebrafish (368213) , Species domestic cat (101085123) , Species cow (540335) , Species dog (474894) , Species chicken (421428) , Species sheep (101102520) , Species domestic guinea pig (100726491) , Species naked mole-rat (101699804)
    Summary: The enzyme encoded by this gene is responsible for the catalysis and formation of S-lactoyl-glutathione from methylglyoxal condensation and reduced glutatione. Glyoxalase I is linked to HLA and is localized to 6p21.3-p21.1, between HLA and the centromere. [provided by RefSeq, Jul 2008]

    Cholesterol Esterification

    • • Download PDF • BioFiles 2007, 2.7, 10. To more efficiently transport both dietary and synthesized cholesterol, it is converted to cholesteryl esters. Free cholesterol can be taken up by lipoproteins, but is confined to the outer surface of the particle. By converting cholesterol to cholesteryl e...

    Enzyme Explorer Protein Kinases & Phosphatases

    Calcium/Calmodulin Kinase Cyclin-Dependent Kinases Lipid Signaling Kinases Mitogen-Activated Kinases PDK1-PKB/Akt PKA PKC PKG Non-Receptor Protein Tyrosine Kinases Receptor Protein Tyrosine Kinases Serine/Threonine Kinases Protein Phosphatases Phosphatase Inhibitor Proteins Calcium/Calmodulin Kinase...

    Highly Selective Palladium-Catalyzed Cross-Coupling of Secondary Alkylzinc Reagents with Heteroaryl Halides

    The highly selective palladium-catalyzed Negishi coupling of secondary alkylzinc reagents with heteroaryl halides is described. The development of atseries of biarylphosphine ligands has led to the identification of an improved catalyst for the coupling of electron-deficient heterocyclic substrates....

    Broad Application Doyle Nickel Precatalyst

    In modern transition metal-catalyzed coupling reactions, palladium has asserted its place as a dominant impetus. In comparison to previously used nickel catalysts, Pd(0) has been a proven precatalyst with diversity, accessibility, and robustness. However, Ni(0) has unique potential as it is more ele...

    HZIF-1W | Metal-Organic Frameworks (MOF's)

    Explore MOF Applications, Properties and Materials to construct MOFs in the MOF Constructor Tool Literature suggests that the following materials can be used to prepare HZIF-1W. • Linker: HMIM, 2-MIM (2-methylimidazole) • Metal Source: Tungsten Salts (W) • Crytallographic and supplementary informati...

    Potassium Trifluoroborates Reagents for Suzuki Coupling

    Vol. 3, No. 3 Reagents for Suzuki Coupling Download PDF Introduction / Boronic acids / Boronic acid Esters / Diboron Esters Potassium Trifluoroborates / OSVB, Volume 3: Suzuki Coupling Potassium Trifluoroborates Alkyl, aryl, and alkenyl trifluoroborate salts are compelling alternatives to boronic ac...

    Amberlite and Amberlyst Resins - Technical Information Bulletin

    Home | Amberlite® and Amberlyst® Resins | Dowex® Resins | Sephadex® Products Merrifield Peptide Resins | Polyethylenimine-Based Products | Polyamide Resins A. Specialty Resins and Adsorbants 1. Amberlite Chromatographic Grade Ion-Exchange Resins 2. Amberlite Selective Ion-Exchange Resins 3. Amberlit...

    Sweet almond (Prunus dulcis) | Plant Profiler

    Synonyms / Common Names / Related Terms Almendra, almendra dulce (Spanish), almond α-galactosidase, almond β-glucosidase, almond glycopeptidase, almond oil, amande, amande douce (French), amandel, amendoa, amendoa doce (Portugese), amigdalo, Amygdalus communis, Amygdala dulcis, arginine, aspartic ac...

    Strauss Group - Professor Product Portal

    Professor Product Portal Index Professor Steven Strauss The Strauss group has been among the leaders in the synthesis and applications of new superweak anions for the past three decades. Superweak anions (a term coined by us in 1998 in connection with an ACS Symposium on weakly-coordinating anions),...

    Janis Louie Group – Professor Product Portal

    Professor Product Portal Index Professor Janis Louie Professor Louie's research focuses on the discovery and mechanistic understanding of new reactions catalyzed by transition metal complexes. She has developed a highly active Ni(0) catalyst that effectively mediates a variety of cycloaddition and i...

    MnSO - MOF | Metal-Organic Frameworks (MOF's)

    Explore MOF Applications, Properties and Materials to construct MOFs in the MOF Constructor Tool Literature suggests that the following materials can be used to prepare MnSO - MOF. • Linker: H4TCPB (1,2,4,5-Tetrakis(4-carboxyphenyl)benzene) • Metal Source: Zinc Salts (Zn) & Zinc SBU • Metal Source: ...

    Acta Vol 33 No 1

    The Acta is written in the Portable Document Format (PDF). Please view it with the Adobe Acrobat Reader. Download this complete issue (2.0 Mb) as a single PDF file and view its contents in your browser or in Acrobat Reader. The table of contents (TOC) appears below. For more information on PDF docum...

    Hydroazidation Catalyst in Chemical Synthesis

    New Hydroazidation Catalyst for Facile Preparation of Organoazides The chemistry of organoazides is exceedingly rich, since the azide functionality reacts with electrophiles, nucleophiles, and dipolarophiles, with or without the extrusion of dinitrogen (Figure 1). Common place transformation such as...

    Enantioselective Hydroamination

    Aldrich ChemFiles 2009, 9.5, 7. In 2007, Toste and coworkers reported the first gold-catalyzed enantioselective intramolecular hydroamination of allenes.1 Due to the linear geometry of gold complexes placing the chiral ligand far from the chiral center, LaLonde et al. opted to use a chiral dinuclear...

    Pd-Catalyzed Nucleophilic Fluorination of Aryl Bromides

    The first palladium-catalyzed amidation of five-membered heterocyclic bromides with multiple heteroatoms was achieved using the Pd/1�catalyst system. N-Arylated imidazoles, pyrazoles, thiazoles, pyrroles, and thiophenes were synthesized in moderate to excellent yield. Experimental results and DFT ca...

    Negishi cross-coupling of secondary alkylzinc halides with aryl/heteroaryl halides using Pd-PEPPSI-IPent

    Over the past two decades, considerable attention has been given to the development of new ligands for the palladium-catalyzed arylation of amines and related NH-containing substrates (i.e. Buchwald-Hartwig amination). The generation of structurally diverse ligands, by research groups in both academ...

    Translational Research Lead Optimization

    Chemical Synthesis and Sourcing Purification & Analysis Secondary Assays Workflows End-to-end solutions for the lead optimization and chemical synthesis workflows, supporting the needs of both chemists and non-chemists with industry-leading availability and innovation. Rapid Custom Synthesis: Made t...

    Nanostructured Materials Through Ultrasonic Spray Pyrolysis

    Related Articles • A Review of Mesoprous TiO2 Thin Film • Synthesis of Melting Gels using Mono-Substituted and Di-Substituted Alkoxysiloxanes • Advanced Inorganic Materials for Solid State Lighting • Materials for Energy Efficiency (4.18 Mb PDF) • Nanoscale Surface Modification (3.24 Mb PDF) • Organ...

    Baeyer-Villiger Oxidation Reaction

    The Baeyer–Villiger reaction involves the oxidation of ketones to esters by C-C bond cleavage of the carbonyl group and the introduction of an oxygen atom adjacent to it.1 This reaction can be accomplished using hydrogen peroxide, 3-chloroperbenzoic acid (m-chloroperoxybenzoic acid), peroxyacetic ac...

    Development and Manufacturing of ADCs and Bio-conjugates

    Contact SAFC • Contract Manufacturing Inquiries Related Links • ADC Baxter Partnership • • Download PDF • With more than 30 years of experience in bio-conjugation, SAFC is a leading expert for the conjugation of highly active molecules to monoclonal antibodies for the development and manufacture of ...

    Ginseng (Panax ginseng) | Plant Profiler

    Synonyms / Common Names / Related Terms Ginseng (American ginseng, Asian ginseng, Chinese ginseng, Korean red ginseng, Panax ginseng:Panaxspp., includingP. ginsengC.C. Meyer andP. quinquefoliusL., excludingEleutherococcus senticosus), Acetylenic alcohol, acidic polysaccharides, acupuncture-moxibusti...