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

In organic chemistry, quaternary ammonium cations, also known as quats, are positively-charged polyatomic ions of the structure [NR4]+, where R is an...

In chemistry, a quaternary compound is a compound consisting of exactly four chemical elements. In another use of the term in organic chemistry, a quaternary...

also refer to: Quaternary (chemistry) (see also Quaternary compound and Quaternary phase) Quaternary structure of proteins Quaternary sector of the economy...

alkyl halides, amines) or reactive intermediates (e. g. alkyl radicals, carbocations). Primary (chemistry) Secondary (chemistry) Quaternary (chemistry)...

alkyl halides, amines) or reactive intermediates (e.g. alkyl radicals, carbocations). Secondary (chemistry) Tertiary (chemistry) Quaternary (chemistry)...

(chemistry) Tertiary (chemistry) Quaternary (chemistry) Ashenhurst, James (2010-06-16). "Primary, Secondary, Tertiary, Quaternary In Organic Chemistry"...

reactions? Which "classic organic chemistry" reactions admit chiral catalysts? Is it possible to construct a quaternary carbon atom with arbitrary (distinguishable)...

orientation of the carbon–carbon bonds at quaternary loci which dictates the shape of the molecule. Further, quaternary loci are found in many biologically...

etc. to construct asymmetric quaternary carbon atoms. Smith, Janice Gorzynski (2011). "Chapter 4 Alkanes". Organic chemistry (3rd ed.). New York, NY: McGraw-Hill...

Protein quaternary structure is the fourth (and highest) classification level of protein structure. Protein quaternary structure refers to the structure...

an all-neutral form, such as when the positive charge is located on a quaternary ammonium group. Similarly, a molecule containing a phosphonium group and...

In chemistry, a salt or ionic compound is a chemical compound consisting of an assembly of positively charged ions (cations) and negatively charged ions...

ionic strength of the solution. As proteins have complex tertiary and quaternary structures due to their specific folding and various weak intermolecular...

or biological chemistry is the study of chemical processes within and relating to living organisms. A sub-discipline of both chemistry and biology, biochemistry...

techniques. Quaternary science is a field of study which involves geography, biology, chemistry, and physics. Its focus is during the Quaternary Period –...

or total alteration of the native secondary, and/or tertiary, and/or quaternary structures of proteins or nucleic acids resulting in a loss of bioactivity...

copper quaternary, usually abbreviated ACQ, is a type of water-based wood preservative product containing a soluble copper(II) complex and quaternary ammonium...

In materials chemistry, a quaternary phase is a chemical compound containing four elements. Some compounds can be molecular or ionic, examples being...

In organic chemistry, the Menshutkin reaction converts a tertiary amine into a quaternary ammonium salt by reaction with an alkyl halide. Similar reactions...