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  2. 10-Methacryloyloxydecyl dihydrogen phosphate - Wikipedia

    en.wikipedia.org/wiki/10-Methacryloyloxydecyl_di...

    [3] 4-Methacryloyloxyethyl trimellitic acid anhydride (4-META) that adheres to not only tooth structures but also dental alloys, was developed almost at the same time. [4] In order to create adhesive monomers having higher performance, investigation and optimization of adhesive monomer molecular structure was carried out.

  3. E1cB-elimination reaction - Wikipedia

    en.wikipedia.org/wiki/E1cB-elimination_reaction

    E1cB is a two-step process, the first step of which may or may not be reversible. First, a base abstracts the relatively acidic proton to generate a stabilized anion. The lone pair of electrons on the anion then moves to the neighboring atom, thus expelling the leaving group and forming a double or triple bond. [1]

  4. Transition metal alkene complex - Wikipedia

    en.wikipedia.org/wiki/Transition_metal_alkene...

    The bonding between alkenes and transition metals is described by the Dewar–Chatt–Duncanson model, which involves donation of electrons in the pi-orbital on the alkene to empty orbitals on the metal. This interaction is reinforced by back bonding that entails sharing of electrons in other metal orbitals into the empty pi-antibonding level ...

  5. Dewar–Chatt–Duncanson model - Wikipedia

    en.wikipedia.org/wiki/Dewar–Chatt–Duncanson...

    The alkene donates electron density into a π-acid metal d-orbital from a π-symmetry bonding orbital between the carbon atoms. The metal donates electrons back from a (different) filled d-orbital into the empty π * antibonding orbital. Both of these effects tend to reduce the carbon-carbon bond order, leading to an elongated C−C distance ...

  6. Metal ions in aqueous solution - Wikipedia

    en.wikipedia.org/wiki/Metal_ions_in_aqueous_solution

    A metal ion in aqueous solution or aqua ion is a cation, dissolved in water, of chemical formula [M(H 2 O) n] z+.The solvation number, n, determined by a variety of experimental methods is 4 for Li + and Be 2+ and 6 for most elements in periods 3 and 4 of the periodic table.

  7. Pi backbonding - Wikipedia

    en.wikipedia.org/wiki/Pi_backbonding

    σ bonding from electrons in CO's HOMO to metal center d-orbital. π backbonding from electrons in metal center d-orbital to CO's LUMO. The electrons are partially transferred from a d-orbital of the metal to anti-bonding molecular orbitals of CO (and its analogs). This electron-transfer strengthens the metal–C bond and weakens the C–O bond.

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