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Что (кто) такое isomer$41073$ - определение

TYPE OF CHEMICAL ISOMERISM

Endo conformer; Endo isomer; Exo isomer

Structural isomer

COMPOUND WHOSE MOLECULE HAS THE SAME NUMBER OF ATOMS OF EACH ELEMENT

Constitutional isomerism; Functional isomer; Structural Isomer; Functional isomers; Regioisomer; Structural isomers; Positional isomer; Skeletal isomer; Positional isomerism; Constitutional isomer; Structural isomerism; Constitutional isomers; Structural Isomers; Combinational isomer

In chemistry, a structural isomer (or constitutional isomer in the IUPAC nomenclature) of a compound is another compound whose molecule has the same number of atoms of each element, but with logically distinct bonds between them. The term metamer was formerly used for the same concept.

https://en.wikipedia.org/wiki/Structural_isomer

Isomerism

MOLECULE WITH IDENTICAL ATOMIC COMPOSITION AS ANOTHER, BUT WITH DIFFERENT STRUCTURES OR ORIENTATIONS

Isomers; Isomeric; Isomerism; Molecular isomerism; Chemical isomer; Isomerizing; Isomerized

·noun The state, quality, or relation, of two or more isomeric substances.

Isotopomers

ISOMER THAT IS AN ISOTOPE

Isotopic isomer; Isotopomers

Isotopomers or isotopic isomers are isomers with isotopic atoms, having the same number of each isotope of each element but differing in their positions. The result is that the molecules are either constitutional isomers or stereoisomers solely based on isotopic location.

https://en.wikipedia.org/wiki/Isotopomers

Википедия

Endo-exo isomerism

In organic chemistry, endo–exo isomerism is a special type of stereoisomerism found in organic compounds with a substituent on a bridged ring system. The prefix endo is reserved for the isomer with the substituent located closest, or "syn", to the longest bridge. The prefix exo is reserved for the isomer with the substituent located farthest, or "anti", to the longest bridge. Here "longest" and "shortest" refer to the number of atoms that comprise the bridge. This type of molecular geometry is found in norbornane systems such as dicyclopentadiene.

The terms endo and exo are used in a similar sense in discussions of the stereoselectivity in Diels–Alder reactions.

https://en.wikipedia.org/wiki/Endo-exo isomerism