168 items found

Tags: Evolutionary Biology Pharmacology Physical Sciences not elsewhere classified

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  • dataset

    Coordination Copolymerization of Severely Encumbered Isoalkenes with Ethylene...

    This contribution describes the implementation of the binuclear organotitanium “constrained geometry catalysts” (CGCs),...
  • 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...
  • dataset

    Thermal Conductivities of Alternatives to CFC-11 for Foam Insulation

    The present work examines the thermal conductivities of several dilute vapors which are potential alternatives to chlorofluorocarbons (CFCs) for cellular-plastic foams. Thermal...
  • dataset

    r37980778c78--bd0bde9a0115982ec94b687d90366bb5

    The unusual luminescence behavior of the two-coordinate gold(I) carbene complex, Au{C(NHMe)2}2·0.5(acetone), is reported. Upon freezing in a liquid N2 bath, the colorless,...
  • dataset

    Competing Patterns of Weak Directional Forces in Pressure-Frozen CH<sub>2</su...

    Isostructural relations and phase transitions of dihalomethanes have been rationalized by the competing patterns of CH···halogen hydrogen bonds and halogen···halogen...
  • dataset

    1,8-Bis(diphenylmethylium)naphthalenediyl Dication as an Organic Oxidant:  Sy...

    1,8-Bis(diphenylmethylium)naphthalenediyl dications promoted oxidative coupling of various N,N-dialkylanilines to afford the corresponding para-coupled bisanilines, benzidines,...
  • dataset

    Ortho-Substituted Catechol Derivatives:  The Effect of Intramolecular Hydroge...

    This paper reports a series of chloride anion receptors containing two catechol head groups connected through their ortho-positions via a spacer chain. The linking group chosen...
  • dataset

    Synthesis, Characterization, and Spectroscopy of 4,7,12,15-[2.2]Paracyclophan...

    This paper reports the synthesis of 4,7,12,15-tetra(4‘-dihexylaminostyryl)[2.2]paracyclophane (1), 4-(4‘-dihexylaminostyryl)-7,12,15-tri(4‘ ‘-nitrostyryl)[2.2]paracyclophane...
  • dataset

    r37980778c78--cb2f7e7bdd004676b2e120d51c4d86cc

    Cs+-Selective Ion Exchange and Magnetic Ordering in a Three-Dimensional Framework Uranyl Vanadium(IV) Phosphate
  • dataset

    r37980778c78--1638705836aac7fe8e091197730072c2

    In this report, an open-framework aluminophosphite (denoted as NKX-6) with large cavities and channel structure has been synthesized hydrothermally. Two crystals of NKX-6 with...
  • dataset

    Frustration of Magnetic and Ferroelectric Long-Range Order in Bi<sub>2</sub>M...

    The slight incommensurate modulation of the structure of Bi2Mn4/3Ni2/3O6 is sufficient to suppress the electrical polarization which arises in commensurate treatments of the...
  • dataset

    Inverse Aggregation Behavior of Alkali-Metal Triazenides

    Higher aggregated alkali-metal compounds are usually obtained with increasing radius of the metal. Alkali-metal salts derived from the sterically crowded triazenido ligand...
  • publication

    Wind Lidar Digitalization

    Wind lidar technology has been increasingly used for wind energy applications for over a decade. During this time there has been an impressive development of a lidar community...
  • publication

    dedup_wf_001--4edd6b37544e4fc6acb3bb4fce0088b7

    A major bottleneck for the exploitation of data from the Kepler mission for stellar astrophysics and exoplanet research has been the lack of precise radii and evolutionary...
  • publication

    Polymorphic Packing Arrangements in a Class of Engineered Organic Crystals

    Polymorphism occurs in the family of engineered cocrystals that form from N,N ‘-bis(p-X-phenyl)melamines (X = H, F, Cl, Br, I, CH3, and CF3) and barbital. X-ray powder...
  • publication

    r37980778c78--45c77806280e278526960e808d2b7b2b

    Electrolysis of benzylthiocyanate, benzyl chloride, p-methylbenzyl chloride, p-methoxybenzyl chloride, or toluene in acetonitrile, at platinum electrodes in a two compartments...
  • publication

    Efficient Preparation of Chiral <i>C</i><sub>2</sub>-Symmetrical 2,6,9-Trioxa...

    Efficient Preparation of Chiral C2-Symmetrical 2,6,9-Trioxabicyclo[3.3.1]nonanes from Cholesteryl Benzoate
  • publication

    Solid-Phase Synthesis of Bis-2-imidazolidinethiones from Resin-Bound Tripeptides

    The exhaustive reduction of resin-bound tripeptides with borane afforded three secondary amines and one primary amine. The treatment of the solid-support polyamines with...
  • publication

    Ethylene polymerization with dimeric zirconium and hafnium silsesquioxane com...

    Treatment of the silanol (c-C5H9)7Si8O12(OH) with Cp‘‘Ti(CH2Ph)3 (Cp‘‘ = 1,3-C5H3(SiMe3)2) or TiCl4 selectively affords the mono(silsesquioxane) complexes...
  • publication

    Diethyl Chlorophosphite: A Versatile Reagent

    Diethyl chlorophosphite (DECP) was previously described as a reducing agent for nitro compounds to the corresponding amines (Fischer, B.; Sheihet, L. J. Org. Chem. 1998, 63,...