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All living things are formed mostly of carbon compounds called organic compounds. The category of organic compounds includes both natural and synthetic compounds that contain carbon. Although a single, precise definition has yet to be identified by the chemistry community, most agree that a defining trait of organic molecules is the presence of carbon as the principal element, bonded to hydrogen and other carbon atoms. However, some carbon-containing compounds such as carbonates, cyanides, and...
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Properties of Organometallic Compounds01:23

Properties of Organometallic Compounds

Organometallic compounds are compounds that contain a carbon–metal bond. Carbon belongs to an organyl group like alkyl, aryl, allyl, or benzyl groups. The metal can be from Group I or Group II of the periodic table, a transition metal, or a semimetal.
Polymer Classification: Architecture01:14

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Polymerization generates chiral centers along the entire backbone of a polymer chain. Accordingly, the stereochemistry of the substituent group has a significant effect on polymer properties. Polymers formed from monosubstituted alkene monomers feature chiral carbons at every alternate position in the polymer backbone. Relative to the predominant orientation of substituents at the adjacent chiral carbons, the polymer can exist in three different configurations: isotactic, syndiotactic, and...
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Efficient Synthesis of All-Carbon Quaternary Centers via the Conjugate Addition of Functionalized Monoorganozinc Bromides
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Published on: May 26, 2019

El selenio en la síntesis orgánica

Dennis Liotta, Robert Monahan

    Science (New York, N.Y.)
    |January 24, 1986
    PubMed
    Resumen
    Este resumen es generado por máquina.

    Los grupos funcionales del selenio permiten transformaciones sintéticas eficientes como oxidaciones y alquilaciones bajo condiciones suaves. Estos métodos ofrecen altos rendimientos y versatilidad en la química orgánica.

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    Área de la Ciencia:

    • Química orgánica es la química orgánica.
    • Química del organoselenio Química del organoselenio

    Sus antecedentes:

    • Los grupos funcionales que contienen selenio son herramientas valiosas en la síntesis orgánica.
    • Sus propiedades únicas permiten diversas transformaciones químicas.

    Objetivo del estudio:

    • Para resaltar la utilidad de los grupos funcionales de selenio en la síntesis orgánica.
    • Para mostrar su aplicación en varios procesos sintéticamente útiles.

    Principales métodos:

    • Introducción, manipulación y eliminación de grupos que contienen selenio.
    • Aprovechando las propiedades químicas únicas del selenio.

    Principales resultados:

    • Altos rendimientos generales obtenidos en procesos sintéticos.
    • Se emplearon con éxito las condiciones de reacción leve.
    • Se demostraron transformaciones versátiles, incluidas las oxidaciones alilicas, la escisión inducida por nucleófilos, las alquilaciones regiospecíficas y las cofuncionalizaciones de olefinas.

    Conclusiones:

    • La química mediada por selenio ofrece un enfoque poderoso y eficiente para la síntesis orgánica compleja.
    • El uso estratégico de grupos funcionales de selenio facilita una amplia gama de reacciones químicas valiosas.