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  2. Dyotropic reaction - Wikipedia

    en.wikipedia.org/wiki/Dyotropic_reaction

    Dyotropic rearrangements of Type I (above) and Type II (below) A dyotropic reaction (from the Greek dyo, meaning two) in organic chemistry is a type of organic reaction and more specifically a pericyclic valence isomerization in which two sigma bonds simultaneously migrate intramolecularly. [1]

  3. Rotamer - Wikipedia

    en.wikipedia.org/wiki/Rotamers

    a torsion angle between 0° and ±30° is called synperiplanar (sp), also called syn-or cis-conformation a torsion angle between 30° to 90° and −30° to −90° is called synclinal (sc), also called gauche or skew [ 33 ]

  4. Synapse - Wikipedia

    en.wikipedia.org/wiki/Synapse

    Diagram of a chemical synaptic connection. In the nervous system, a synapse [1] is a structure that allows a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron or a target effector cell.

  5. Separation process - Wikipedia

    en.wikipedia.org/wiki/Separation_process

    A separation process is a method that converts a mixture or a solution of chemical substances into two or more distinct product mixtures, [1] a scientific process of separating two or more substances in order to obtain purity. At least one product mixture from the separation is enriched in one or more of the source mixture's constituents.

  6. Separatory funnel - Wikipedia

    en.wikipedia.org/wiki/Separatory_funnel

    A separatory funnel, also known as a separation funnel, separating funnel, or colloquially sep funnel, is a piece of laboratory glassware used in liquid-liquid extractions to separate (partition) the components of a mixture into two immiscible solvent phases of different densities. [1]

  7. endo–exo isomerism - Wikipedia

    en.wikipedia.org/wiki/Endo–exo_isomerism

    The prefix endo is reserved for the isomer with the substituent located closest, or "syn", to the longest bridge. The prefix exo is reserved for the isomer with the substituent located farthest, or "anti", to the longest bridge. Here "longest" and "shortest" refer to the number of atoms that comprise the bridge.

  8. Download your email from AOL Mail with IMAP

    help.aol.com/articles/download-your-email-from...

    Use the IMAP settings below to download your email from AOL Mail into a third-party email app, like Thunderbird, Outlook, or Mac Mail. For accounts with a lot of content, it can take several days or longer to download everything.

  9. Diastereomer - Wikipedia

    en.wikipedia.org/wiki/Diastereomer

    When the single bond between the two centres is free to rotate, cis/trans descriptors become invalid. Two widely accepted prefixes used to distinguish diastereomers on sp³-hybridised bonds in an open-chain molecule are syn and anti. Masamune proposed the descriptors which work even if the groups are not attached to adjacent carbon atoms.

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