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Related Concept Videos

Acidity and Basicity of Alcohols and Phenols02:36

Acidity and Basicity of Alcohols and Phenols

Like water, alcohols are weak acids and bases. This is attributed to the polarization of the O–H bond making the hydrogen partially positive. Moreover, the electron pairs on the oxygen atom of alcohol make it both basic and nucleophilic. Protonation of an alcohol converts hydroxide, a poor leaving group, into water—a good one. The two acid–base equilibria corresponding to ethanol are depicted below.
Structure and Nomenclature of Alcohols and Phenols02:23

Structure and Nomenclature of Alcohols and Phenols

Overview
Alcohols are one of the most important functional groups in organic chemistry. The name of alcohol comes from the hydrocarbon from which it is derived. Alcohols are organic molecules containing the functional hydroxyl or –OH group directly bonded to carbon. Phenols have an OH group directly attached to a benzene ring. While alcohols are colorless, phenol is a white crystalline compound with a characteristic "hospital smell" odor.
As with other organic compounds, alcohols and phenols...
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...
Preparation of Epoxides03:00

Preparation of Epoxides

Overview
Epoxides result from alkene oxidation, which can be achieved by a) air, b) peroxy acids, c) hypochlorous acids, and d) halohydrin cyclization.
Epoxidation with Peroxy Acids
Epoxidation of alkenes via oxidation with peroxy acids involves the conversion of a carbon–carbon double bond to an epoxide using the oxidizing agent meta-chloroperoxybenzoic acid, commonly known as MCPBA. Since the O–O bond of peroxy acids is very weak, the addition of electrophilic oxygen of peroxy acids to...
Structure and Nomenclature of Epoxides02:38

Structure and Nomenclature of Epoxides

Cyclic ethers are heterocyclic compounds with an oxygen atom in the ring along with carbon atoms. They are named depending on the number of carbon atoms present in their ring system. Cyclic ethers with a three-membered ring system are called “oxirane”, four-membered ring systems as “oxetane”, five-membered ring systems as “oxolane”, and six-membered ring systems as “oxane”. The cyclic structure of these rings imposes angle strain, and this strain is more in the ring having a smaller number of...
Organic Compounds03:02

Organic Compounds

All living things are formed mostly of carbon compounds called organic compounds. The category of organic compounds includes both natural and synthetic compounds that contain carbon. Although a single, precise definition has yet to be identified by the chemistry community, most agree that a defining trait of organic molecules is the presence of carbon as the principal element, bonded to hydrogen and other carbon atoms. However, some carbon-containing compounds such as carbonates, cyanides, and...

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Related Experiment Video

Updated: Jun 1, 2026

A Two-Step Protocol for Umpolung Functionalization of Ketones Via Enolonium Species
08:12

A Two-Step Protocol for Umpolung Functionalization of Ketones Via Enolonium Species

Published on: August 16, 2018

1-[4-(3-Chloro-prop-oxy)-2-hydroxy-phen-yl]ethanone.

Ya-Tuan Ma, Jing-Jing Wang, Xi-Wang Liu

    Acta Crystallographica. Section E, Structure Reports Online
    |May 18, 2011
    PubMed
    Summary

    Researchers synthesized a novel compound, C(11)H(13)ClO(3), using a specific chemical reaction. The compound features an intramolecular hydrogen bond and lacks significant intermolecular contacts in its crystal structure.

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    Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
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    Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate

    Published on: June 21, 2017

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    A Two-Step Protocol for Umpolung Functionalization of Ketones Via Enolonium Species
    08:12

    A Two-Step Protocol for Umpolung Functionalization of Ketones Via Enolonium Species

    Published on: August 16, 2018

    Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
    06:46

    Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate

    Published on: June 21, 2017

    Area of Science:

    • Organic Chemistry
    • Crystallography

    Background:

    • Synthesis of novel organic compounds is crucial for materials science and drug discovery.
    • Understanding molecular interactions, such as hydrogen bonding, is key to predicting material properties.

    Purpose of the Study:

    • To synthesize and characterize a new chemical compound with the molecular formula C(11)H(13)ClO(3).
    • To investigate the structural features, including hydrogen bonding and crystal packing, of the synthesized compound.

    Main Methods:

    • Chemical synthesis involving 2, 4-dihydroxy-lacetonephenone, potassium carbonate, and 1-bromo-3-chloro-hexane.
    • X-ray crystallography to determine the molecular structure and crystal packing.

    Main Results:

    • Successful synthesis of the target compound C(11)H(13)ClO(3).
    • Identification of an intramolecular O-H⋯O hydrogen bond involving the hydroxyl group.
    • Crystal structure analysis revealed no significant short intermolecular contacts.

    Conclusions:

    • The synthesized compound possesses a unique structural motif with an internal hydrogen bond.
    • The crystal packing is characterized by the absence of strong intermolecular interactions, suggesting specific solid-state properties.