Results 291 to 300 of about 325,836 (358)

Ppm level palladium catalyzed regioselective remote arylation of alkenyl alcohols. [PDF]

Chem Sci
Liu C, Wang L, Ge H.
europepmc   +1 more source

Data-Driven Design of Mechanically Hard Soft Magnetic High-Entropy Alloys. [PDF]

Adv Sci (Weinh)
Dai M, Zhang Y, Li X, Schönecker S, Han L, Xie R, Shen C, Zhang H.   +7 more
europepmc   +1 more source

The Divergence History of Two Japanese <i>Torreya</i> Taxa (Taxaceae): Implications for Species Diversification in the Japanese Archipelago. [PDF]

Plants (Basel)
Ou Q, Huang X, Pan D, Wang S, Huang Y, Lu S, Wang Y, Kou Y.   +7 more
europepmc   +1 more source

Iridium-Catalyzed Enantioselective Intramolecular Hydroarylation of Allenes: Formal Synthesis of (+)-Rhazinilam. [PDF]

Angew Chem Int Ed Engl
Arribas A, Rey A, Calvelo M, Mascareñas JL, López F.   +4 more
europepmc   +1 more source

Correction: Quan et al. Functional Characterization of a Novel SMR-Type Efflux Pump RanQ, Mediating Quaternary Ammonium Compound Resistance in <i>Riemerella anatipestifer</i>. <i>Microorganisms</i> 2023, <i>11</i>, 907. [PDF]

Microorganisms
Quan H, Gong X, Wang W, Zheng F, Yu Y, Liu D, Chen Q, Chu Y.   +7 more
europepmc   +1 more source

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Catalytic Enantioselective Desymmetrization Reactions to All-Carbon Quaternary Stereocenters

Chemical Reviews, 2016
This Review summarizes the advances in the construction of all-carbon quaternary stereocenters via catalytic enantioselective desymmetrization of prochiral and meso-compounds, highlights the power and potential of this strategy in the total synthesis of ...
Xing-ping Zeng, Zhong-yan Cao, Yu-hui Wang   +2 more
exaly   +2 more sources

Quaternary

Encyclopedic Dictionary of Archaeology, 2021
isotope geochemistry has potential to provide these reconstructions, given the competing source and process controls can be deconvolved. The silica-rich volcanic and hydrothermal systems in Yellowstone National Park are a great source of dissolved ...
Petra Zahajská, P. Frings, Françoise Gaspard, Sophie Opfergelt, Johanna Stadmark, Sherilyn C. Fritz, Rosine Cartier, Daniel J. Conley   +7 more
semanticscholar   +1 more source

Asymmetric catalytic formation of quaternary carbons by iminium ion trapping of radicals

Nature, 2016
John J Murphy, Maurizio Fagnoni, Paolo Melchiorre   +2 more
exaly   +2 more sources

Opportunities for Tapping into Three-Dimensional Chemical Space Through a Quaternary Carbon.

Journal of Medicinal Chemistry, 2020
A quaternary carbon bears four other carbon substituents or combination of four non-hydrogen substituents at four vertices of a tetrahedron. The spirocyclic quaternary carbon positioned at the center of a bioactive molecule offers conformational rigidity
T. Talele
semanticscholar   +1 more source

Timing of Quaternary geomagnetic reversals and excursions in volcanic and sedimentary archives

Quaternary Science Reviews, 2020
We review the ages of Quaternary magnetic polarity reversals and magnetic excursions. Improvements in radioisotopic 40Ar/39Ar dating of reversals and excursions reflect the use of multi-collector mass spectrometers, along with ultra-low backgrounds ...
J. Channell, B. Singer, B. Jicha
semanticscholar   +1 more source