Functional groups

Hydroxylamine is an inorganic compound with the formula NH2OH.

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

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

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.

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

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

Organophosphorus compounds are organic compounds containing phosphorus.

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

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

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.

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

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

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

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

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

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

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.

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

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

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.

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

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)-.

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

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

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

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

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

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

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

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

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

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

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

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

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

An enol ether is an alkene with an alkoxy substituent.

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.