Dehydration reaction

dehydrationdehydrateddehydration synthesisdehydratesdehydratedehydratingdehydrating agentdehydration condensationDehydrogenationDienol benzene rearrangement
In chemistry, a dehydration reaction is a conversion that involves the loss of water from the reacting molecule or ion.wikipedia
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Sulfuric acid

sulphuric acidsulfuricH 2 SO 4
Common dehydrating agents used in organic synthesis include sulfuric acid and alumina.
Its corrosiveness can be mainly ascribed to its strong acidic nature, and, if at a high concentration, its dehydrating and oxidizing properties.

Disaccharide

disaccharidesbiosidedi-
The new molecule, consisting of two monosaccharides, is called a disaccharide.
Because of the removal of the water molecule from the product, the term of convenience for such a process is "dehydration reaction" (also "condensation reaction" or "dehydration synthesis").

Ether

etherspolyetheraryl ether
The dehydration of alcohols affords ethers:

Hydrolysis

hydrolyzedhydrolysehydrolyze
The process of hydrolysis is the reverse reaction, meaning that the water is recombined with the two hydroxyl groups and the disaccharide reverts to being monosaccharides.

Alkene

olefinalkenesolefins
Alkenes can be synthesized from alcohols via dehydration, in which case water is lost via the E1 mechanism.

Organic acid anhydride

anhydrideanhydridesacid anhydrides
The conditions vary from acid to acid, but phosphorus pentoxide is a common dehydrating agent:

Martin's sulfurane

Martin sulfurane
One application is for the dehydration of a secondary alcohol to give an alkene:

Chemistry

chemistchemicalApplied Chemistry
In chemistry, a dehydration reaction is a conversion that involves the loss of water from the reacting molecule or ion.

Water

H 2 OHOliquid water
In chemistry, a dehydration reaction is a conversion that involves the loss of water from the reacting molecule or ion.

Hydration reaction

hydrationhydrateshydratase
Dehydration reactions are common processes, the reverse of a hydration reaction.

Aluminium oxide

aluminaaluminum oxideAl 2 O 3
Common dehydrating agents used in organic synthesis include sulfuric acid and alumina.

Monosaccharide

monosaccharidessimple sugarsimple sugars
Two monosaccharides, such as glucose and fructose, can be joined together (to form sucrose) using dehydration synthesis.

Glucose

dextroseD-glucose D -glucose
Two monosaccharides, such as glucose and fructose, can be joined together (to form sucrose) using dehydration synthesis.

Fructose

D-fructosefructose metabolism, inborn errors L -fructose
Two monosaccharides, such as glucose and fructose, can be joined together (to form sucrose) using dehydration synthesis.

Sucrose

cane sugarsugarcaster sugar
Two monosaccharides, such as glucose and fructose, can be joined together (to form sucrose) using dehydration synthesis.

Condensation reaction

condensationcondensecondenses
In the related condensation reaction water is released from two different reactants.

Organic synthesis

synthesissynthesizedsynthetic
In organic synthesis, there are many examples of dehydration reaction, for example dehydration of alcohols or sugars.

Alcohol

alcoholssecondary alcoholtertiary alcohol

Fischer–Speier esterification

Fischer esterificationFischer-Speier esterificationesterification
The classic example of a dehydration reaction is the Fischer esterification, which involves treating a carboxylic acid with an alcohol in the presence of a dehydrating agent:

Ethylene