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Ethyl group (highlighted blue) as part of a molecule, as the ethyl radical, and in the compounds ethanol, bromoethane, ethyl acetate, and ethyl methyl ether.. In organic chemistry, an ethyl group (abbr. Et) is an alkyl substituent with the formula −CH 2 CH 3, derived from ethane (C 2 H 6).
A cycloalkyl group is derived from a cycloalkane by removal of a hydrogen atom from a ring and has the general formula −C n H 2n−1. [2] Typically an alkyl is a part of a larger molecule. In structural formulae , the symbol R is used to designate a generic (unspecified) alkyl group.
In organic chemistry, a substituent is one or a group of atoms that replaces (one or more) atoms, thereby becoming a moiety in the resultant (new) molecule. [1] ( In organic chemistry and biochemistry, the terms substituent and functional group, as well as side chain and pendant group, are used almost interchangeably to describe those branches from the parent structure, [2] though certain ...
The phenoxide ion will then substitute the –X group in the alkyl halide, forming an ether with an aryl group attached to it in a reaction with an S N 2 mechanism. C 6 H 5 OH + OH − → C 6 H 5 –O − + H 2 O C 6 H 5 –O − + R–X → C 6 H 5 OR. The Ullmann condensation is similar to the Williamson method except that the substrate is ...
Ethyl Sinclair, a character in the Dinosaurs television show; Science and technology. Ethyl group, an organic chemistry moiety; Ethyl alcohol (or ethanol)
Possible equatorial conformations of ethyl cyclohexane. Due to the larger number of possible conformations of ethyl cyclohexane, the A value is reduced from what would be predicted based purely on enthalpic terms. Due to these favorable entropic conditions, the steric relevance of an ethyl group is similar to that of a methyl substituent.
However, according to the rules of IUPAC nomenclature, the alkyl groups are written alphabetically, for example ethyl methyl ketone. When the two alkyl groups are the same, the prefix "di-" is added before the name of alkyl group. The positions of other groups are indicated by Greek letters, the α-carbon being the atom adjacent to carbonyl group.
Ethylmercury (sometimes ethyl mercury) is a cation composed of an organic CH 3 CH 2 — species (an ethyl group) bound to a mercury(II) centre, making it a type of organometallic cation, and giving it a chemical formula C 2 H 5 Hg +. The main source of ethylmercury is thimerosal. [1]