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Methylene bridge

Index Methylene bridge

In organic chemistry, a methylene bridge, methylene spacer, or methanediyl group is any part of a molecule with formula --; namely, a carbon atom bound to two hydrogen atoms and connected by single bonds to two other distinct atoms in the rest of the molecule. [1]

29 relations: Acetylacetone, Alkane, Aluminium, Carbanion, Carbon, Carbonyl group, Coordination complex, Denticity, Dichloromethane, Double bond, Enol, Hydrogen, Knoevenagel condensation, Ligand, Malonic acid, Malonic ester synthesis, Malononitrile, Methine group, Methyl group, Methylene group, Molecule, Nitrile, Nitro compound, Organic chemistry, Organic synthesis, Polar effect, Single bond, Tebbe's reagent, Titanium.


Acetylacetone is an organic compound that exists in two tautomeric forms that interconvert rapidly and are treated as a single compound in most applications.

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In organic chemistry, an alkane, or paraffin (a historical name that also has other meanings), is an acyclic saturated hydrocarbon.

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Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.

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A carbanion is an anion in which carbon is threevalent (forms three bonds) and bears a formal negative charge in at least one significant mesomeric contributor (resonance form).

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Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.

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Carbonyl group

In organic chemistry, a carbonyl group is a functional group composed of a carbon atom double-bonded to an oxygen atom: C.

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Coordination complex

In chemistry, a coordination complex consists of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents.

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Denticity refers to the number of donor groups in a single ligand that bind to a central atom in a coordination complex.

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Methylene dichloride (DCM, or methylene chloride, or dichloromethane) is a geminal organic compound with the formula CH2Cl2.

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Double bond

A double bond in chemistry is a chemical bond between two chemical elements involving four bonding electrons instead of the usual two.

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Enols, or more formally, alkenols, are a type of reactive structure or intermediate in organic chemistry that is represented as an alkene (olefin) with a hydroxyl group attached to one end of the alkene double bond.

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Hydrogen is a chemical element with symbol H and atomic number 1.

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Knoevenagel condensation

The Knoevenagel condensation reaction is an organic reaction named after Emil Knoevenagel.

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In coordination chemistry, a ligand is an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex.

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Malonic acid

Malonic acid (IUPAC systematic name: propanedioic acid) is a dicarboxylic acid with structure CH2(COOH)2.

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Malonic ester synthesis

The malonic ester synthesis is a chemical reaction where diethyl malonate or another ester of malonic acid is alkylated at the carbon alpha (directly adjacent) to both carbonyl groups, and then converted to a substituted acetic acid.

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Malononitrile, also propanedinitrile or malonodinitrile, is a nitrile with the formula CH2(CN)2.

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Methine group

In chemistry, methine is a trivalent functional group.

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Methyl group

A methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms — CH3.

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Methylene group

In organic chemistry, a methylene group is any part of a molecule that consists of two hydrogen atoms bound to a carbon atom, which is connected to the remainder of the molecule by a double bond.

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A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.

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A nitrile is any organic compound that has a −C≡N functional group.

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Nitro compound

Nitro compounds are organic compounds that contain one or more nitro functional groups (−2).

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Organic chemistry

Organic chemistry is a chemistry subdiscipline involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms.

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Organic synthesis

Organic synthesis is a special branch of chemical synthesis and is concerned with the intentional construction of organic compounds.

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Polar effect

The polar effect or electronic effect in chemistry is the effect exerted by a substituent on modifying electrostatic forces operating on a nearby reaction center.

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Single bond

In chemistry, a single bond is a chemical bond between two atoms involving two valence electrons.

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Tebbe's reagent

The Tebbe reagent is the organometallic compound with the formula (C5H5)2TiCH2ClAl(CH3)2.

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Titanium is a chemical element with symbol Ti and atomic number 22.

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Active methylene compound, Active methylene compounds, Methanediyl, Methylene spacer.


[1] https://en.wikipedia.org/wiki/Methylene_bridge

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