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Quaternary

Topic: Chemistry

 From HandWiki - Reading time: 1 min
Short description: Term in organic chemistry used to describe degree of substitution of an atom in a molecule

Quaternary is a term used in organic chemistry to classify various types of compounds (e. g. amines and ammonium salts).[1]

Red highlighted central atoms in various groups of chemical compounds.

Quaternary central atoms compared with primary, secondary and tertiary central atoms.

primary secondary tertiary quaternary
Carbon atom in an alkane Prim. Hydrocarbon Structural Formulae V.1.png Sec. Hydrocarbon Structural Formulae V.1.png Tert. Hydrocarbon Structural Formulae V.1.png Quart. Hydrocarbon Structural Formulae V.1.png
Alcohol Prim. Alcohol Structural Formulae V.1.png Sec. Alcohol Structural Formulae V.1.png Tert. Alcohol Structural Formulae V.1.png does not exist
Amine Prim. Amine Structural Formulae V.1.png Sec. Amine Structural Formulae V.1.png Tert. Amine Structural Formulae V.1.png Quarternary ammonium cation Structural Formula V.1.png
Amide Prim. Amide Structural Formulae V.1.png Sec. Amide Structural Formulae V.1.png Tert. Amide Structural Formulae V.1.png does not exist
Phosphine Prim. Phosphine Structural Formulae V.1.png Sec. Phosphine Structural Formulae V.1.png Tert. Phosphine Structural Formulae V.1.png Quart. Phosphonium Cation Structural Formulae V.1.png

See also

References

  1. ↑ Paula Yurkanis Bruice: Organic Chemistry, Pearson Education Inc., 2004, 4. Ed., p. 78, 104, 893, and 912, ISBN:0-13-121730-5.




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