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A 3D model of ethyne , the simplest alkyne. In organic chemistry, an alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond. [1] The simplest acyclic alkynes with only one triple bond and no other functional groups form a homologous series with the general chemical formula C n H 2n−2.
It is the simplest stable alcohol containing an alkyne functional group. [3] Propargyl alcohol is a colorless viscous liquid that is miscible with water and most polar organic solvents. Reactions and applications
Ethynol, the simplest ynol Structure of propargyl alcohol. In organic chemistry, alkynols (hydroxyalkynes) are organic compounds that contain both alkyne and alcohol functional groups. Thus, as structural features, they have a C≡C triple bond and a hydroxyl group. Some alkynols play a role as intermediates in the chemical industry.
The reactivity of a functional group can be modified by other functional groups nearby. Functional group interconversion can be used in retrosynthetic analysis to plan organic synthesis. A functional group is a group of atoms in a molecule with distinctive chemical properties, regardless of the other atoms in the molecule. The atoms in a ...
alkyne (unsaturated) vs alkane (saturated) arene (unsaturated) vs cycloalkane (saturated) For organic compounds containing heteroatoms (other than C and H), the list of unsaturated groups is long but some common types are: carbonyl, e.g. ketones, aldehydes, esters, carboxylic acids (unsaturated) vs alcohol or ether (saturated)
Chemical structure of the propargyl group. In organic chemistry, the propargyl group is a functional group of 2-propynyl with the structure CH≡C−CH 2 −. It is an alkyl group derived from propyne (HC≡C−CH 3). The term propargylic refers to a saturated position (sp 3-hybridized) on a molecular framework next to an alkynyl group.
Numerous natural products contain the allene functional group. Noteworthy are the pigments fucoxanthin and peridinin. Little is known about the biosynthesis, although it is conjectured that they are often generated from alkyne precursors. [75] Allenes serve as ligands in organometallic chemistry. A typical complex is Pt(η 2-allene)(PPh 3) 2.
In organic chemistry, an ethynyl group is a functional group with the formula −C≡CH. It is the acetylene molecule with one fewer hydrogen atom. Ethynyl group ( HC≡C– ), also designated as acetylenic group (from acetylene ), and referred to in IUPAC chemical nomenclature as -yne suffix.