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Related Concept Videos

IUPAC Nomenclature of Aldehydes01:16

IUPAC Nomenclature of Aldehydes

Aldehydes are named based on the systematic nomenclature rules set by the IUPAC. For acyclic aldehydes, the longest carbon chain containing the aldehydic (–CHO) group is considered the parent chain. The aldehyde is named by replacing the last letter “e” in the hydrocarbon name with “al”. For instance, a simple, seven-carbon-membered acyclic aldehyde is called heptanal, derived from heptane. The carbon chain is numbered starting from the aldehydic carbon, although the aldehydic carbon’s locant...
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...
Reactions at the Benzylic Position: Oxidation and Reduction00:59

Reactions at the Benzylic Position: Oxidation and Reduction

The benzylic position describes the position of a carbon atom attached directly to a benzene ring. Benzene by itself does not undergo oxidation. In contrast, the benzylic carbon is quite reactive in the presence of strong oxidizing agents such as KMnO4 or H2CrO4. Therefore, alkylbenzenes are readily oxidized to benzoic acid, irrespective of the type of alkyl groups.
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.
NMR Spectroscopy of Benzene Derivatives01:37

NMR Spectroscopy of Benzene Derivatives

Simple unsubstituted benzene has six aromatic protons, all chemically equivalent. Therefore, benzene exhibits only a singlet peak at δ 7.3 ppm in the 1H NMR spectrum. The observed shift is far downfield because the aromatic ring current strongly deshields the protons. Any substitution on the benzene ring makes the aromatic protons nonequivalent, and the protons split each other. The peak is, therefore, no longer a singlet and the splitting pattern and their associated coupling constants depend...
Nomenclature of Aromatic Compounds with a Single Substituent01:23

Nomenclature of Aromatic Compounds with a Single Substituent

Benzene is the simplest aromatic hydrocarbon or arene. The IUPAC names for simple monosubstituted benzene derivatives are derived by adding the substituent's name as a prefix to the parent benzene. For example, halobenzene, where the halogen could be fluoro (F), chloro (Cl), bromo (Br), and iodo (I).

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Synthesis of Esters Via a Greener Steglich Esterification in Acetonitrile
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Synthesis of Esters Via a Greener Steglich Esterification in Acetonitrile

Published on: October 30, 2018

2-(3-Meth-oxy-phen-oxy)benzoic acid.

Zhi-Fang Zhang1

  • 1School of Chemistry and Chemical Engineering, Yulin University, Yulin 719000, People's Republic of China.

Acta Crystallographica. Section E, Structure Reports Online
|July 15, 2011
PubMed
Summary
This summary is machine-generated.

This study reveals the crystal structure of C(14)H(12)O(4), highlighting molecular self-assembly through hydrogen bonds and pi-stacking interactions. These interactions create a robust three-dimensional network, influencing the compound

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Qualitative Identification of Carboxylic Acids, Boronic Acids, and Amines Using Cruciform Fluorophores
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Area of Science:

  • Crystallography
  • Supramolecular Chemistry
  • Organic Chemistry

Background:

  • Understanding molecular interactions is crucial for designing materials with specific properties.
  • Crystal engineering utilizes non-covalent interactions to build ordered structures.

Purpose of the Study:

  • To elucidate the crystal structure of the title compound, C(14)H(12)O(4).
  • To identify and analyze the intermolecular interactions governing the crystal packing.

Main Methods:

  • Single-crystal X-ray diffraction was employed to determine the three-dimensional molecular arrangement.
  • Analysis of hydrogen bonding and C-H⋯pi interactions was performed.

Main Results:

  • The crystal structure features carboxylic acid dimers linked by classical O-H⋯O hydrogen bonds.
  • These dimers are further interconnected by C-H⋯pi interactions, forming a 3D network.
  • Benzene rings exhibit a specific dihedral angle of 69.6(3)°, indicating defined aromatic interactions.

Conclusions:

  • The crystal packing of C(14)H(12)O(4) is dictated by a combination of hydrogen bonding and C-H⋯pi interactions.
  • These supramolecular interactions result in a stable, three-dimensional framework.
  • The precise orientation of aromatic rings influences the overall network architecture.