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Related Concept Videos

Reactions at the Benzylic Position: Halogenation01:11

Reactions at the Benzylic Position: Halogenation

Benzylic halogenation takes place under conditions that favor radical reactions such as heat, light, or a free radical initiator like peroxide.
Hydrolysis of Chlorobenzene to Phenol: Dow Process01:10

Hydrolysis of Chlorobenzene to Phenol: Dow Process

Simple aryl halides do not react with nucleophiles under normal conditions. However, the reaction can proceed under drastic conditions involving high temperatures and high pressure to give the substituted products. For example, chlorobenzene is converted to phenol using aqueous sodium hydroxide at 350 °C under high pressure by the Dow process. The reaction follows an elimination-addition mechanism involving a benzyne intermediate. Here, the chloride ion is eliminated to generate the benzyne...
Electrophilic Aromatic Substitution: Chlorination and Bromination of Benzene01:15

Electrophilic Aromatic Substitution: Chlorination and Bromination of Benzene

Chlorination and bromination are important classes of electrophilic aromatic substitutions, where benzene reacts with chlorine or bromine in the presence of a Lewis acid catalyst to give halogenated substitution products. A Lewis acid such as aluminium chloride or ferric chloride catalyzes the chlorination, and ferric bromide catalyzes the bromination reactions. During the bromination of alkenes, bromine polarizes and becomes electrophilic. However, in the bromination of benzene, the bromine...
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...
Nucleophilic Aromatic Substitution: Elimination–Addition01:11

Nucleophilic Aromatic Substitution: Elimination–Addition

Simple aryl halides do not react with nucleophiles. However, nucleophilic aromatic substitutions can be forced under certain conditions, such as high temperatures or strong bases. The mechanism of substitution under such conditions involves the highly unstable and reactive benzyne intermediate. Benzyne contains equivalent carbon centers at both ends of the triple bond, each of which is equally susceptible to nucleophilic attack. This 50–50 distribution of products is confirmed through isotopic...
Nomenclature of Aromatic Compounds with Multiple Substituents01:11

Nomenclature of Aromatic Compounds with Multiple Substituents

When more than one substituent is present on the benzene ring, the IUPAC nomenclature depends on the number of substituents present.
For disubstituted benzene derivatives, with two groups attached to the benzene ring, three constitutional isomers are possible. For example, consider dimethyl benzene, often called xylene, where the second methyl group can be substituted at the second, third, or fourth carbon. The relative position of the substituents is represented by prefixes ortho, meta, or...

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Acta crystallographica. Section E, Crystallographic communications·2021
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Crystal structures and the Hirshfeld surface analysis of <i>(E)</i>-4-nitro-<i>N</i>'-(<i>o</i>-chloro, <i>o</i>- and <i>p</i>-methyl-benzyl-idene)benzene-sulfono-hydrazides.

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Crystal structure and Hirshfeld surface analysis of two (<i>E</i>)-<i>N</i>'-(<i>para</i>-substituted benzyl-idene) 4-chloro-benzene-sulfono-hydrazides.

Acta crystallographica. Section E, Crystallographic communications·2018
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Crystal structure and Hirshfeld surface analysis of (<i>E</i>)-<i>N</i>'-[4-(piperidin-1-yl)benzyl-idene]aryl-sulfono-hydrazides.

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Crystal structure and Hirshfeld surface analysis of (<i>Z</i>)-4-chloro-<i>N</i>'-(4-oxo-thia-zol-idin-2-yl-idene)benzene-sulfono-hydrazide monohydrate.

Acta crystallographica. Section E, Crystallographic communications·2018
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Crystal structure and Hirshfeld surface analysis of (<i>E</i>)-<i>N</i>'-benzyl-idene-4-chloro-benzene-sulfono-hydrazide and of its (<i>E</i>)-4-chloro-<i>N</i>'-(<i>ortho</i>- and <i>para</i>-methyl-benzyl-idene)benzene-sulfono-hydrazide derivatives.

Acta crystallographica. Section E, Crystallographic communications·2018

Related Experiment Video

Updated: Jun 5, 2026

Palladium N-Heterocyclic Carbene Complexes: Synthesis from Benzimidazolium Salts and Catalytic Activity in Carbon-carbon Bond-forming Reactions
19:58

Palladium N-Heterocyclic Carbene Complexes: Synthesis from Benzimidazolium Salts and Catalytic Activity in Carbon-carbon Bond-forming Reactions

Published on: July 30, 2017

2-Chloro-phenyl 4-methyl-benzoate.

B Thimme Gowda, Sabine Foro, K S Babitha

    Acta Crystallographica. Section E, Structure Reports Online
    |January 5, 2011
    PubMed
    Summary

    The C=O bond in the title compound is anti to the chlorine atom, mirroring observations in related benzoate esters. This structural characteristic influences the molecule

    Area of Science:

    • Organic Chemistry
    • Crystallography

    Background:

    • Understanding molecular conformation is crucial in organic chemistry.
    • Previous studies on benzoate esters provide comparative structural data.

    Purpose of the Study:

    • To determine the molecular conformation of the title compound, C(14)H(11)ClO(2).
    • To compare the observed conformation with related benzoate ester structures.

    Main Methods:

    • Single-crystal X-ray diffraction analysis was employed.
    • Conformational analysis focused on the C=O bond orientation and dihedral angles.

    Main Results:

    • The conformation of the carbonyl (C=O) bond was found to be anti relative to the chlorine (Cl) atom.
    • The dihedral angle between the two aromatic rings was determined to be 59.36(7)°.

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  • This conformation is similar to that observed in 2-methyl-phenyl 4-methyl-benzoate.
  • Conclusions:

    • The anti conformation of the C=O bond is a notable feature of the title compound's crystal structure.
    • The observed dihedral angle provides insight into the spatial arrangement of the aromatic rings within the molecule.