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Related Concept Videos

Oxidation of Phenols to Quinones01:17

Oxidation of Phenols to Quinones

In the presence of oxidizing agents, phenols are oxidized to quinones. Quinones can be easily reduced back to phenols using mild reducing agents. The electron-donating hydroxyl group enhances the reactivity of the aromatic ring, enabling oxidation of the ring even in the absence of an α hydrogen.
o-hydroxy phenols are oxidized to o-quinones and p-hydroxy phenols to p-quinones. Such redox reactions involve the transfer of two electrons and two protons. The reversible redox property is crucial in...
Radical Chain-Growth Polymerization: Overview01:10

Radical Chain-Growth Polymerization: Overview

Chain-growth or addition polymerization is successive addition reactions of monomers with a polymer chain. In radical chain-growth polymerization, the reaction proceeds via a free-radical intermediate. The free radical is formed from radical initiators, which spontaneously generate free radicals by homolytic fission. Organic peroxides (such as dibenzoyl peroxide, as shown in Figure 1) or azo compounds are popular radical initiators. A low concentration ratio of radical initiator to monomer is...

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Related Experiment Video

Updated: Jun 1, 2026

Facile Preparation of 4-Substituted Quinazoline Derivatives
11:51

Facile Preparation of 4-Substituted Quinazoline Derivatives

Published on: February 15, 2016

2,4-Dichloro-6-methoxy-quinoline.

R Subashini, Venkatesha R Hathwar, P Manivel

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

    This study details the crystal structure of a dichloro-nitro-compound, revealing a planar molecular geometry. The compound

    Area of Science:

    • Crystallography
    • Organic Chemistry
    • Materials Science

    Background:

    • Understanding molecular structure is crucial for predicting chemical and physical properties.
    • Crystal packing significantly influences material characteristics.

    Purpose of the Study:

    • To elucidate the crystal structure and intermolecular interactions of the title compound C(10)H(7)Cl(2)NO.
    • To analyze the molecular planarity and the role of π-π stacking in crystal stabilization.

    Main Methods:

    • Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
    • Analysis of atomic coordinates and bond lengths/angles to assess molecular geometry.
    • Identification and quantification of intermolecular interactions, specifically π-π stacking.

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    Green Synthesis of Quinoline-Based Ionic Liquid
    05:59

    Green Synthesis of Quinoline-Based Ionic Liquid

    Published on: September 27, 2024

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    Last Updated: Jun 1, 2026

    Facile Preparation of 4-Substituted Quinazoline Derivatives
    11:51

    Facile Preparation of 4-Substituted Quinazoline Derivatives

    Published on: February 15, 2016

    Green Synthesis of Quinoline-Based Ionic Liquid
    05:59

    Green Synthesis of Quinoline-Based Ionic Liquid

    Published on: September 27, 2024

    Main Results:

    • The title compound C(10)H(7)Cl(2)NO exhibits a planar molecular conformation, with minimal deviation of atoms from the molecular plane.
    • Crystal packing is characterized by significant π-π stacking interactions between adjacent molecules.
    • The centroid-to-centroid distance for these π-π stacking interactions was determined to be 3.736(3) Å, indicating moderate overlap.

    Conclusions:

    • The planar structure of C(10)H(7)Cl(2)NO is a key feature influencing its solid-state arrangement.
    • π-π stacking interactions play a vital role in stabilizing the crystal lattice, impacting potential material properties.
    • This structural information provides a foundation for further investigations into the compound's reactivity and applications.