5,772 items found

Tags: Biochemistry Chemical Sciences not elsewhere classified Science Policy

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  • dataset

    r37980778c78--1267032f9b82bd6f3e84436e545df86c

    C,D-ring symmetric chlorins 8 were prepared in 47−85% yield, on scales up to several hundred milligrams, by condensation of appropriately substituted bis-formyldihydrodipyrrins...
  • dataset

    Scope and Mechanism of the Iridium-Catalyzed Cleavage of Alkyl Ethers with Tr...

    The cationic iridium pincer complex [(POCOP)Ir(H)(acetone)]+[B(C6F5)4]− {1, POCOP = 2,6-[OP(tBu)2]2C6H3} was found to be a highly active catalyst for the room-temperature...
  • dataset

    Polyhydroxylated Sapphyrins:  Multisite Non-metallic Catalysts for Activated ...

    Enhanced hydrolysis rates for the cleavage of bis(4-nitrophenyl)phosphate (BNPP), a model phosphodiester, may be achieved by using appropriately designed ditopic receptors...
  • dataset

    Antiferromagnetic Behavior Based on Quasi-Orthogonal MOs:  Synthesis and Char...

    We report the synthesis and structural and magnetic characterization of an original Cu3 oxidase model. The Schiff base ligand used in the synthesis derives from condensation of...
  • dataset

    Noninvasive Imaging of Quantum Dots in Mice

    Quantum dots having four different surface coatings were tested for use in in vivo imaging. Localization was successfully monitored by fluorescence imaging of living animals, by...
  • dataset

    Development of a Bioactive Paper Sensor for Detection of Neurotoxins Using Pi...

    There is an increasing interest in new strategies to rapidly detect analytes of clinical and environmental interest without the need for sophisticated instrumentation. As an...
  • dataset

    Liquid Chromatography-Tandem and MALDI Imaging Mass Spectrometry Analyses of ...

    Human tissues are an important source of biological material for the discovery of novel biomarkers. Fresh-frozen tissue could represent an ideal supply of archival material for...
  • dataset

    Oligomeric Tetrathiafulvalenes: A New Route toward Conjugated TTF Dimers and ...

    The synthesis of bis-TTF 1 and tris-TTF 2, linked by an ethenyl spacer, is described using new useful Wittig-type reagents with the introduction of phosphonate functionality on...
  • dataset

    r37980778c78--b2cfb20019ab04cb333f9d105aa2e84d

    Molecular Charge-Transfer Salt of BEDT−TTF [Bis(ethylenedithio)tetrathiafulvalene] with the Oxalate-Bridged Dimeric Anion [Fe2(C2O4)5]4-
  • dataset

    r37980778c78--b31ade386cd3e93c34ac508387b6e035

    Three new luminescent cyclometalated Pt(II) complexes, [Pt(L)Cl] (1), [Pt2(L-)2] (2), and [Pt(L)(PPh3)]ClO4 (3·ClO4) (where HL = 2-phenyl-6-(1H-pyrazol-3-yl)-pyridine), were...
  • dataset

    Structure−Reactivity Correlations for Solid-State Enantioselective Photochemi...

    A prerequisite for the development of structure−reactivity correlations for photoreactive crystalline materials is to have detailed knowledge of the structural properties of the...
  • dataset

    r37980778c78--84bd4df09dbf4334eeea050cc743653a

    Synthesis and Reversible Control of the Fluorescent Properties of a Divalent Tin Dipyrromethene
  • dataset

    Bioinspired Polyene Cyclization Promoted by Intermolecular Chiral Acetal-SnCl...

    New strategies using chiral acetal or chiral mixed-acetal in the presence of Lewis acids (SnCl4 or TiCl4) to promote polyene cyclization reaction are described. Acetal-promoted...
  • dataset

    G^C Quartet  A DNA-Inspired Janus-GC Heterocycle: Synthesis, Structural Anal...

    G^C Quartet  A DNA-Inspired Janus-GC Heterocycle: Synthesis, Structural Analysis, and Self-Organization
  • dataset

    Synthesis and Electronic Properties of Isotruxene-Derived Star-Shaped Ladder-...

    The synthesis of star-shaped ladder-type oligophenylenes Sn (n = 4, 7, 10, 13, and 16), where n is the number of π-conjugated phenylene rings, is reported. The two-dimensional...
  • dataset

    r37980778c78--bb1f4f032cdd2c2c3349da98fb9bd374

    CpTiCl2(L) [L = C4H4N (1), 2,5-Me2C4H2N (2), 2,4-Me2C4H2N (3), 2,4-Me2-3-EtC4HN (4)], CpTiCl(2,4-Me2-3-EtC4HN)2 (5), and CpTi(C4H4N)3 (6) were prepared by treating CpTiCl3 with...
  • dataset

    Homoatomic Stella Quadrangula [Tl<sub>8</sub>]<sup>6−</sup> in Cs<sub>18</sub...

    Cs18Tl8O6 was synthesized reacting the binary compounds CsTl and Cs2O. According to single crystal X-ray analysis, the title compound crystallizes as a novel structure type in...
  • dataset

    r37980778c78--88c82537413be0a14224430803bf2bae

    The aim of this study was to explore the association between taste and metabolite profiles of Japanese refined sake. Nontarget metabolome analysis was conducted using capillary...
  • dataset

    Narrow-Rim Functionalization of Calix[4]arenes via Sonogashira Coupling React...

    The narrow (or “lower”)-rim hydroxyl groups of calixarenes are known to be resistant to substitution/displacement. The Sonogashira coupling reaction with TMSA and...
  • dataset

    Highly Activated Vinyl Hydrogen in a Significantly Twisted Styrene

    The novel example of a vinylic hydrogen more reactive than a benzylic hydrogen was found by treatment of a twisted styrene derivative with a strong base followed by D2O...