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Related Concept Videos

Physical Properties of Ethers02:17

Physical Properties of Ethers

Overview
An ether molecule has a net dipole moment due to the polarity of C–O bonds. Subsequently, boiling points of ethers are lower than those of alcohols of comparable molecular weight and slightly higher than those of hydrocarbons of comparable molecular weight (Table 1).
Ethers can act as hydrogen bond acceptors, making them more water-soluble than hydrocarbons, but since ethers cannot act as hydrogen bond donors, they are much less soluble in water than alcohols. Ethers are considered...
Ethers from Alcohols: Alcohol Dehydration and Williamson Ether Synthesis02:29

Ethers from Alcohols: Alcohol Dehydration and Williamson Ether Synthesis

Overview
Ethers can be prepared from organic compounds by various methods. Some of them are discussed below,
Preparation of Ethers by Alcohol Dehydration
In this method, in the presence of protic acids, alcohol dehydrates to produce alkenes and ethers under different conditions. For example, in the presence of sulphuric acid, dehydration of ethanol at 413 K yields ethoxyethane, whereas it yields ethene at 443 K.
Production of Alcohol01:27

Production of Alcohol

Continuous fermentation is a key strategy in industrial ethanol production, particularly when efficiency, scalability, and high yields are essential. This approach allows for uninterrupted operation and optimized resource utilization. The primary feedstock, corn starch, undergoes enzymatic hydrolysis facilitated by α-amylase and glucoamylase. These enzymes break down the starch into fermentable sugars such as glucose, which are readily assimilated by fermentative microorganisms.Fermentation...
Physical Properties of Alcohols and Phenols02:32

Physical Properties of Alcohols and Phenols

Alcohols are organic compounds in which a hydroxy group is attached to a saturated carbon. Phenols are a class of alcohols containing a hydroxy group attached to an aromatic ring. The physical properties of the alcohols and phenols are influenced by hydrogen bonding due to the oxygen–hydrogen dipole in the hydroxy functional group and dispersion forces between alkyl or aryl regions of alcohol and phenol molecules.
Alcohols possess a higher boiling point than aliphatic hydrocarbons of similar...
Ethers from Alkenes: Alcohol Addition and Alkoxymercuration-Demercuration02:35

Ethers from Alkenes: Alcohol Addition and Alkoxymercuration-Demercuration

Overview
Ethers can also be prepared from alkenes through acid-catalyzed addition of alcohols and alkoxymercuration–demercuration.
Preparation of Ethers by Acid-Catalyzed Addition of Alcohol to Alkenes
The acid-catalyzed addition of alcohol to an alkene involves treating the alkene with an excess of alcohol in the presence of an acid catalyst to form an ether under suitable conditions. The hydrogen will add to the less substituted carbon so that the nucleophile can attack the more substituted...
Structure and Nomenclature of Ethers02:28

Structure and Nomenclature of Ethers

Structure and Bonding
Ethers are organic compounds with an ether functional group which is characterized by an oxygen atom connected to two — identical or different — alkyl, aryl, or vinyl groups. The C–O–C linkage in dimethyl ether — the simplest ether — has an approximately tetrahedral bond angle of 110.3 degrees. The oxygen atom is sp3- hybridized, with the C–O distance being about 140 pm.
Classification of Ethers
Based on their attached substituent groups, ethers can be classified into two...

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Related Experiment Video

Updated: Jun 13, 2026

Microdialysis of Ethanol During Operant Ethanol Self-administration and Ethanol Determination by Gas Chromatography
10:11

Microdialysis of Ethanol During Operant Ethanol Self-administration and Ethanol Determination by Gas Chromatography

Published on: September 5, 2012

Ethanol.

Steven L McIntire1

  • 1Gallo Research Center, Department of Neurology University of California, San Francisco San Francisco, CA 94143, USA. slm@gallo.ucsf.edu

Wormbook : the Online Review of C. Elegans Biology
|May 1, 2010
PubMed
Summary
This summary is machine-generated.

Understanding ethanol

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Microdialysis of Ethanol During Operant Ethanol Self-administration and Ethanol Determination by Gas Chromatography
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Area of Science:

  • Neuroscience
  • Pharmacology
  • Genetics

Background:

  • Ethanol's mechanism of action is not fully understood.
  • Receptors and ion channels are affected by ethanol, but their role in behavior is unclear.
  • Forward genetic screens offer a way to identify molecular targets of neuroactive compounds.

Purpose of the Study:

  • To review studies on ethanol's mechanism of action.
  • To discuss neural adaptations to prolonged ethanol exposure.
  • To highlight the utility of C. elegans for studying neuroactive compound effects.

Main Methods:

  • Review of biochemical and electrophysiological experiments.
  • Analysis of forward genetic screens in C. elegans.
  • Examination of conserved drug targets in nervous systems.

Main Results:

  • Ethanol affects behavior at equivalent tissue concentrations in mammals and C. elegans.
  • C. elegans is a useful model for identifying ethanol's molecular targets.
  • Studies suggest conserved targets for ethanol's behavioral effects.

Conclusions:

  • Forward genetic screens in C. elegans are valuable for elucidating ethanol's mechanism of action.
  • Understanding ethanol's effects in C. elegans can inform studies in other organisms.
  • Methods used for ethanol can be applied to other neuroactive compounds.