What Is Another Name For A Condensation Reaction?: Examples & More

Another Name For A Condensation Reaction: Condensation reactions are also known by another name dehydration synthesis reactions. This is because they contain the combining of molecules with the removal of water. Dehydration represents the loss of water, while synthesis represents creation. When glucose molecules associate to form starch, it is an example of dehydration synthesis. Condensation reaction, any of a class of reactions in which two molecules associate, usually in the existence of a catalyst, with the elimination of water or some other simple molecule.

The combination of two alike molecules is known as self-condensation. Aldehydes, esters, ketones, alkynes, and amines are among genuine organic compounds that join with each other and, except for amines, among themselves to form broader molecules, many of which are useful intermediate compounds in organic syntheses. Catalysts generally used in condensation reactions consist of acids, bases, complex metal ions, and the cyanide ion.

Condensation Reactions or Dehydration Synthesis Reactions

In the condensation reaction, two molecules relate to form a single molecule. A small molecule, often water, is generally wiped out during a condensation reaction.

Condensation Reactions or Dehydration Synthesis Reactions

Condensation Reactions or Dehydration Synthesis Reactions

Amino Acids Tie Together To Form A Molecule Called A Dipeptide Amino acids are leady biological molecules that have an amine functional group on one end and a carboxylic acid functional group on the other end. When two amino acids associate in a condensation reaction, a covalent bond forms between the amine nitrogen of one amino acid and the carboxyl carbon of the second amino acid. A molecule of water is then eliminated as a second product.

Amino Acids Join Together To Form A Molecule Called A Dipeptide

Amino Acids Join Together To Form A Molecule Called A Dipeptide

In Other Words, We Can Understand As

A condensation reaction is a chemical reaction to attach covalently resulting molecules in the fillers’ surface, during which two molecules (functional groups) associate together to form one single molecule with a loss of entropy.

An Example Of Condensation Reaction Is Using A Series Of Isocyanate Compounds In The Surface Modification Of Graphene Oxide

An Example Of Condensation Reaction Is Using A Series Of Isocyanate Compounds In The Surface Modification Of Graphene Oxide

In the case of graphene, condensation occurs via two reactive oxygenated groups (hydroxyl and carboxyl functionalities) present on graphene sheets with isocyanate, diisocyanate, and amine compounds through an amidation reaction, getting to the formation of the amides and carbamate ester linkages. An example of a condensation reaction is using a series of isocyanate compounds in the surface modification of graphene oxide.

Aldol Condensation

Aldol condensation appears in aldehydes having α-hydrogen with a dilute base to give βhydroxy aldehydes called aldols. This reaction is most generally known as aldol condensation. If the condensation reaction appears between two different carbonyl compounds it is called crossed aldol condensation.

Aldol Condensation Reaction

Aldol Condensation Reaction

Aldol Condensation can be explained as an organic reaction in which enolate ion reacts with a carbonyl compound to form βhydroxy ketone or β-hydroxy aldehyde, followed by dehydration to give a conjugated enone. Aldol Condensation plays a key role in organic synthesis, creating a path to form carbon-carbon bonds.

Mechanism

One of the normal examples for base-catalyzed aldol condensation is described below in which catalyst normally used is hydroxide ion.

Example Of Base Catalyzed Aldol Condensation

Example Of Base Catalyzed Aldol Condensation

Step: 1

In reverse order, The hydroxide ion deprotonates the aldehyde

Mechanism Of Aldol Condensation Step 1

Mechanism Of Aldol Condensation Step 1

Step: 2

Enolate ion 1 attacks to the unreacted aldehyde

Mechanism Of Aldol Condensation Step 2

Mechanism Of Aldol Condensation Step 2

Step: 3

Alkoxide ion 2 is protonated

Mechanism Of Aldol Condensation Step 3

Mechanism Of Aldol Condensation Step 3

Step: 4

A small amount of aldol is transformed into enolate ion (4) due to hydroxide ion.

Mechanism Of Aldol Condensation Step 4

Mechanism Of Aldol Condensation Step 4

Step: 5

Here Enolate Ion(4) eliminates a hydroxide ion.

Mechanism Of Aldol Condensation Step 5

Mechanism Of Aldol Condensation Step 5

Crossed Aldol Condensation

The condensation reaction between two distinct molecules of an aldehyde or ketone in an aprotic solvent such as water or alcohol empowers the crossed aldol reaction. When condensation is between two different carbonyl compounds, it is called crossed aldol condensation.

When both aldehydes have alpha hydrogens, both can form carbanions and can also perform as carbanion acceptors. Hence a mixture of four products is developed which has little synthetic value. If one of the aldehydes has no alpha hydrogen then it can act only as a carbanion acceptor.

In such a case, only two products are formed. A common substrate for the crossed aldol reaction is an aromatic aldehyde, which has no alpha position. Furthermore, dehydration of the basic condensation product is speedy which leads to the evolution of the α, β unsaturated ketone, and prevents the retro-aldol reaction from taking place.

Claisen condensation

The Claisen condensation is a carbon-carbon bond generating reaction that appears between one ester and another carbonyl compound or two esters in the existence of a strong base, resulting in a β-keto ester or a β-diketone. It is designated after Rainer Ludwig Claisen, who first disclosed his work on the reaction in 1887.

Claisen Condensation

Claisen Condensation

Perkin Reaction

It is an organic chemical reaction that was invented by William Henry Perkin, an English chemist scientist. This reaction provides an α,β -unsaturated aromatic acid. Perkin reaction mechanism consists of the reaction between aromatic aldehydes, the aliphatic acid anhydride, and the alkali salt of the acid to deliver cinnamic acid derivatives.

Perkin Reaction Mechanism

Perkin Reaction Mechanism

FAQ

What Is Another Name For A Condensation Reaction?
Dehydration. Another Name For The Condensation Reaction. Condensation, Also Called This, Refers To The Removal Of A Water Molecule During The Linking Of Monomers. Hydrolysis. The Name Of The Process During Which A Bond Between Two Monomers Is Broken.
What Is The Opposite Of A Condensation Reaction?
The Opposite Of A Condensation Reaction That Releases A Water Molecule Is Called A Hydrolysis Reaction. This Happens When One Molecule Is Split Into Two Via The Addition Of A Water Molecule.
What Happens During Condensation?
That Is Simply What Happens During Condensation. Condensation Is The Process By Which Water Vapor (Gas) In The Atmosphere Turns Into Water (Liquid State). It Is The Opposite Of Evaporation. The Surrounding Temperatures Fall (Cool), The Water Vapor Turns Into Very Tiny Particles Of Water And Ice Crystals.
Which Best Describes What Occurs In A Condensation Reaction?
A Condensation Reaction Occurs When Two Molecules Join To Form A Larger Molecule And Release A Smaller Molecule(S) In The Process. The Smaller Molecule Lost In The Reaction Is Often Water, But It Can Also Be Methanol, Hydrogen Chloride, Acetic Acid, Or Several Other Molecules.
Is Dehydration The Same As Condensation?
Dehydration Synthesis Is The Process Of Joining Two Molecules, Or Compounds, Together Following The Removal Of Water. During A Condensation Reaction, Two Molecules Are Condensed And Water Is Lost To Form A Large Molecule. This Is The Same Exact Process That Occurs During A Dehydration Synthesis.
What Is The Difference Between A Hydrolysis And Condensation Reaction?
Hydrolysis Is A Reaction In Which Chemical Bonds Are Broken By The Addition Of Water. Condensation Is A Type Of Reaction Where Two Molecules React Together To Form A Larger Molecule, Via The Elimination Of A Smaller One.
What Is A Dehydration Condensation Reaction?
Dehydration Synthesis Is The Process Of Joining Two Molecules, Or Compounds, Together Following The Removal Of Water. During A Condensation Reaction, Two Molecules Are Condensed And Water Is Lost To Form A Large Molecule. This Is The Same Exact Process That Occurs During A Dehydration Synthesis.