Functional groups

In chemistry, a nitrene (R–N:) is the nitrogen analogue of a carbene.

Triazene, also known as triazanylene, is an unsaturated inorganic compound having the chemical formula N3H3.

A nitrate ester is the organic functional group with the formula RONO2, where R stands for any organic residue.

Benzene is an important organic chemical compound with the chemical formula C6H6.

In chemistry, a ketone (alkanone) /ˈkiːtoʊn/ is an organic compound with the structure RC(=O)R', where R and R' can be a variety of carbon-containing substituents.

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

Nitro compounds are organic compounds that contain one or more nitro functional groups (−NO2).

A peptide bond (amide bond) is a covalent chemical bond linking two consecutive amino acid monomers along a peptide or protein chain.

Urea, also known as carbamide, is an organic compound with the chemical formula CO(NH2)2.

Azoxy compounds are a group of chemical compounds sharing a common functional group with the general structure RN=N+(O−)R.

An enamine is an unsaturated compound derived by the condensation of an aldehyde or ketone with a secondary amine.

Hydroxylamine is an inorganic compound with the formula NH2OH.

A hydroxamic acid is a class of organic compounds bearing the functional group RC(O)N(OH)R', with R and R' as organic residues and CO as a carbonyl group.

Nitroamines are organic compounds containing a nitro group bonded to an amine.

Nitroso refers to a functional group in organic chemistry which has the NO group attached to an organic moiety.

Organophosphorus compounds are organic compounds containing phosphorus.

A diol is a chemical compound containing two hydroxyl groups (−OH groups).

Nitrosamines are chemical compounds of the chemical structure R1N(–R2)–N=O, that is, a nitroso group bonded to an amine.

Biuret is a chemical compound with the chemical formula C2H5N3O2.

A cumulene is a hydrocarbon with three or more cumulative (consecutive) double bonds.

A phosphite in inorganic chemistry is a salt of phosphorous acid, H3PO3 and following the IUPAC naming recommendations the phosphite ion would be PO3−3, a salt of P(OH)3.

In chemistry a phosphite ester or organophosphite is a type of organophosphorous compound with the general structure P(OR)3.

An aminal or aminoacetal is a functional group or type of organic compound that has two amine groups attached to the same carbon atom: -C(NR2)(NR2)-.

A hydroxyl or hydroxy group is a chemical functional group containing one oxygen atom connected by a covalent bond to one hydrogen atom (−OH).

In organic chemistry, acetyl is a functional group, the acyl with chemical formula CH3CO.

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

In chemistry and biology a disulfide refers to a functional group with the general structure R–S–S–R'.

An enol ether is an alkene with an alkoxy substituent.

An enone, also called an α,β-unsaturated carbonyl, is a type of organic compound consisting of an alkene conjugated to a ketone.

An ylide or ylid (/ˈɪlɪd/ or /ˈɪlaɪd/) is a neutral dipolar molecule containing a formally negatively charged atom (usually a carbanion) directly attached to a heteroatom with a formal positive charge (usually nitrogen, phosphorus or sulfur), and in which both atoms have full octets of electrons.

Phosphoramide is a chemical compound with the molecular formula P(=O)(NH2)3.

Cyanimides are a group of chemical compounds sharing a common functional group with the general structure R1R2N-C N.

A selenenic acid is an organoselenium compound and an oxoacid with the general formula RSeOH, where R ≠ H.

The nitronium ion, NO+2, is a cation.

An oxaziridine is an organic molecule that features a three-membered heterocycle containing oxygen, nitrogen, and carbon.

9-Fluorenylidene is an aryl carbene derived from the bridging methylene group of fluorene.

Triuret is an organic compound with the formula (H2NC(O)NH)2CO.

Sulfinamide is a functional group in organic chemistry containing a sulfur-oxygen double bond and a sulfur-nitrogen single bond.