Reactions and characteristics of amino acids are discussed further below and in this article. And between two amino acids they react to form a peptide bond. They also have a similar structure in some ways.Ĭarboxyl and amino groups are often grouped in the mind because they are both critical parts of amino acids. Amino Group vs Carboxyl GroupĪmino groups and carboxyl groups are the two main functional groups in amino acids. The amino group is methylated to make it a better leaving group and then heated with silver oxide to complete the reaction. Hoffman Elimination: This reaction converts an amino group to an alkene. Hofmann Rearrangement: Forms a primary amino group with the loss of one carbon starting from a carboxylic acid derivativeĬurtius Rearrangement: This reaction mechanism is similar to the Hofmass rearrangement but reacts with an acyl azide. Gabriel Amine Synthesis: Used to form a primary amine from alkyl halides. Platinum or other metal catalysts, such as zinc or iron, catalyze this type reaction. To prepare amino groups on an aryl group, nitration of an aromatic compound followed by reduction works really well. This is a common way to perform this reaction. In the above reaction, an amide conversion to an amine utilizes a strong base, LiAlH 4. This reaction is most commonly done by utilizing LiAlH 4. Reducing nitriles and amides forms amino groups. They are also very basic, more so than many alcohols.Īn amino group can accept H + to form R-NH 3 +. Here are several examples of molecules their name.Ģ-amino-2-methylbutane: Amino Group Reactionsĭue to the lone pair on the nitrogen atom, amino groups easily react. In some other naming conventions, ‘-amine’ refers to the amino group. If there is more than one amino group then a prefix such as ‘di’ may be added to amino. That is, the position is labeled with a number followed by ‘-amino’. The group is referred to similarly as other functional groups. In IUPAC naming conventions the amino functional group is referred to using ‘-amino’.
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