5,773 items found

Tags: Biochemistry Chemical Sciences not elsewhere classified

Filter Results
  • dataset

    Synthesis, Structural Characterization, and Readsorption Behavior of a Solid ...

    Members of the new solid solution aluminum phosphite/ ethylenediphosphonate series, Al2(O3PC2H4PO3)1-x(HPO3)2x2F2·H2O (0 ≤ x ≤ 0.32), have been prepared and fully characterized....
  • dataset

    Photoactivation of Ruthenium Olefin Metathesis Initiators

    UV irradiation of latent sulfur-chelated ruthenium olefin metathesis precatalysts produced a cis-dichloro−trans-dichloro photoisomerization. The enhanced activity of the trans...
  • dataset

    Tuning the Optical Properties of Aryl-Substituted Dispirofluorene-Indenofluor...

    Two families of positional isomers of dispirofluorene-indenofluorene substituted by phenyl groups at the 2,7-positions of the fluorene moieties present drastically different...
  • dataset

    Metal−Metal Multiple Bonds in Early/Late Heterobimetallics Support Unusual Tr...

    Metal−Metal Multiple Bonds in Early/Late Heterobimetallics Support Unusual Trigonal Monopyramidal Geometries at both Zr and Co
  • dataset

    Long-Range Ordered Magnet of a Charge-Transfer Ru<sub>2</sub><sup>4+</sup>/TC...

    Two isostructural 2D assemblies composed of [Ru2(O2CCF3)4] and TCNQ or TCNQF4 in a 2:1 ratio were synthesized:  [{Ru2(O2CCF3)4}2TCNQ]·3(p-xylene) (1b) and...
  • dataset

    r37980778c78--fb277af15837398edabe45df1c80d659

    (−)-Nakadomarin A is a member of manzamine alkaloid isolated from a marine sponge and have a unique hexacyclic structure. The first total synthesis of (+)-nakadomarin A, an...
  • dataset

    <i>ansa</i>-Metallocene-Based Cyclic[2]pyrroles

    Syntheses and X-ray structural analyses of ansa-metallocene-based cyclic[2]pyrroles are described. The pyrrole units in the macrocycles adopt partial 1,2-alternate conformation...
  • dataset

    r37980778c78--f1e1477b2cfe863e480929adb4bf7847

    [{Ru(η6-p-cymene)(μ-Cl)Cl}2] and [{Ru(η3:η3-C10H16)(μ-Cl)Cl}2] react with Ph2PCH2P{NP(O)(OR)2}Ph2 (R = Et (1a), Ph (1b)) affording complexes...
  • dataset

    Deprotonation and Addition Reactions of Frustrated Lewis Pairs with Alkynes

    Deprotonation of terminal alkynes is effected by the treatment with tBu3P and B(C6F5)3 to give [tBu3PH][PhCCB(C6F5)3] (1a) and [tBu3PH][RCCB(C6F5)3] (R = nBu 2, tBu 3, Me3Si 4,...
  • dataset

    r37980778c78--6ea1358f909dd7c03a42bff2d4aad982

    The use of anionic polycyclization (AP) in constructing the steroidal backbone of cardenolides was investigated. The reaction of 2-carbomethoxy-2-cyclohexenone I with the...
  • dataset

    Ruthenium Assisted Reversible Proton Transfer from an Aromatic Carbon to a Hy...

    Ruthenium Assisted Reversible Proton Transfer from an Aromatic Carbon to a Hydride
  • dataset

    r37980778c78--a57187364aa6088f98ac332525f9982d

    The transient titanium alkylidyne complex (PNP)Ti⋮CtBu (PNP = N[2-P(CHMe2)2-4-methylphenyl]2-) can readily activate, in some cases regioselectively, the aromatic C−H bond of...
  • dataset

    Insight into Substrate Binding in Shibasaki’s Li<sub>3</sub>(THF)<sub><i>n</i...

    Heterobimetallic Lewis acids M3(THF)n(BINOLate)3Ln [M = Li, Na, K; Ln = lanthanide(III)] are exceptionally useful asymmetric catalysts that exhibit high levels of...
  • dataset

    Current-Induced Metallic State in an Organic (EDT-TSF)<sub>2</sub>GaCl<sub>4<...

    A newly prepared organic conductor, (EDT-TSF)2GaCl4, shows considerable nonlinear conductance in the insulating state below 20 K, and a metallic state is restored by the...
  • dataset

    r37980778c78--33b2320384739ed76a8f1a72d6442152

    Two layered vanadyl selenites with the compositions, [DABCOH2]0.5[(VIVO)(HSeO3)(SeO3)]·H2O, I, and [enH2][(VivO)2(VVO)O2(SeO3)3]-·1.25H2O, II, have been prepared by the reaction...
  • dataset

    r37980778c78--f6c5a05850f275f705cbd023ba2ff0b5

    The disproportionation of dicobalt octacarbonyl induced by the free carbene 1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene (IMes) and the X-ray characterization of the...
  • dataset

    Normal mucus transport is restored in ciliated airway cultures derived from p...

    Normal mucus transport is restored in ciliated airway cultures derived from patients with cystic fibrosis after replacement of the CFTR gene. This image represents yellow...
  • dataset

    r37980778c78--cd7a1da89ad373459434c40ca1ad511d

    Three nitrosyl-dye conjugates, namely, [(Me2bpb)Ru(NO)(Resf)] (1-Resf), [(Me2bQb)Ru(NO)(Resf)] (2-Resf), and [((OMe)2bQb)Ru(NO)(Resf)] (3-Resf) have been synthesized via direct...
  • dataset

    Effect of 2,6-Disubstituted Aryl Groups on Acyclic Conformation:  Preference ...

    Multiple X-ray crystallographic and 1H NMR spectroscopic studies demonstrate that 2,6-disubstituted aryl groups exert a strong effect on acyclic conformation, inducing the...
  • dataset

    A Pd(0)-Catalyzed Diamination of Terminal Olefins at Allylic and Homoallylic ...

    This paper describes a novel diamination process of terminal olefins at allylic and homoallylic carbons via formal C−H activation using di-tert-butyldiaziridinone as nitrogen...