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Preparation and Reactions of Sulfides02:26

Preparation and Reactions of Sulfides

Sulfides are the sulfur analog of ethers, just as thiols are the sulfur analog of alcohol. Like ethers, sulfides also consist of two hydrocarbon groups bonded to the central sulfur atom. Depending upon the type of groups present, sulfides can be symmetrical or asymmetrical. Symmetrical sulfides can be prepared via an SN2 reaction between 2 equivalents of an alkyl halide and one equivalent of sodium sulfide.
Structure and Nomenclature of Thiols and Sulfides02:17

Structure and Nomenclature of Thiols and Sulfides

Thiols and sulfides are sulfur analogs of alcohols and ethers, respectively, where the sulfur atom takes the place of the oxygen atom. Thus, thiols are generally represented as RSH, where R is an alkyl substituent and —SH is the functional group. On the other hand, in sulfides, the central sulfur atom is bonded to two hydrocarbon groups on either side. Depending upon the type of group, sulfides can be either symmetrical or asymmetrical. Both thiols and sulfides display a bent geometry, similar...
Amines to Sulfonamides: The Hinsberg Test01:23

Amines to Sulfonamides: The Hinsberg Test

The Hinsberg test is a method to identify primary, secondary and tertiary amines, named after its pioneer, Oscar Hinsberg. Here, amines are treated with benzenesulfonyl chloride, also known as the Hinsberg reagent, in the presence of an excess of aqueous base, followed by acidification. Based on the nature of the amines, different changes are observed.
Generally, a primary amine reacts with the Hinsberg reagent to produce an N-substituted benzenesulfonamide. The electron-withdrawing sulfonyl...
Carboxylic Acids to Methylesters: Alkylation using Diazomethane01:33

Carboxylic Acids to Methylesters: Alkylation using Diazomethane

Carboxylic acids react with diazomethane in an ether solvent via alkylation at the carboxylate oxygen atom to give methyl esters of the corresponding acid with excellent yields.
Chirality at Nitrogen, Phosphorus, and Sulfur02:30

Chirality at Nitrogen, Phosphorus, and Sulfur

Chirality is most prevalent in carbon-based tetrahedral compounds, but this important facet of molecular symmetry extends to sp3-hybridized nitrogen, phosphorus and sulfur centers, including trivalent molecules with lone pairs. Here, the lone pair behaves as a functional group in addition to the other three substituents to form an analogous tetrahedral center that can be chiral.
A consequence of chirality is the need for enantiomeric resolution. While this is theoretically possible for all...
Nomenclature of Carboxylic Acid Derivatives: Amides and Nitriles01:11

Nomenclature of Carboxylic Acid Derivatives: Amides and Nitriles

Naming Amides
The IUPAC and common names of amides are derived from the parent carboxylic acid, by replacing the suffix “oic acid” and “ic acid,” respectively, with “amide.” In the following example, the IUPAC name ethanamide is derived from ethanoic acid, and the common name, acetamide, is obtained from acetic acid.

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Related Experiment Video

Updated: Jun 2, 2026

Preparation of Contiguous Bisaziridines for Regioselective Ring-Opening Reactions
04:38

Preparation of Contiguous Bisaziridines for Regioselective Ring-Opening Reactions

Published on: July 28, 2022

N-(Trimethyl-sil-yl)methane-sulfonamide.

Andrew R McWilliams, Sossina Gezahegna, Alan J Lough

    Acta Crystallographica. Section E, Structure Reports Online
    |April 28, 2011
    PubMed
    Summary
    This summary is machine-generated.

    This study describes the crystal structure of a novel silicon-containing compound, C(4)H(13)NO(2)SSi. Molecules form chains through hydrogen bonds, and the crystal exhibits an inversion twin structure.

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    Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry
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    Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry

    Published on: October 18, 2019

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    Preparation of Contiguous Bisaziridines for Regioselective Ring-Opening Reactions
    04:38

    Preparation of Contiguous Bisaziridines for Regioselective Ring-Opening Reactions

    Published on: July 28, 2022

    Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry
    09:37

    Imine Metathesis by Silica-Supported Catalysts Using the Methodology of Surface Organometallic Chemistry

    Published on: October 18, 2019

    Area of Science:

    • Crystallography
    • Materials Science
    • Chemical Physics

    Background:

    • Understanding the solid-state structures of novel compounds is crucial for predicting their properties.
    • Hydrogen bonding plays a significant role in molecular self-assembly and crystal packing.
    • Inversion twinning is a common phenomenon in crystal growth that can affect diffraction data.

    Purpose of the Study:

    • To determine and characterize the crystal structure of the title compound, C(4)H(13)NO(2)SSi.
    • To investigate the intermolecular interactions governing the crystal packing.
    • To analyze the crystallographic features, including twinning.

    Main Methods:

    • Single-crystal X-ray diffraction was employed to collect diffraction data.
    • The crystal structure was solved and refined using standard crystallographic software.
    • The presence and ratio of inversion twin domains were determined during refinement.

    Main Results:

    • The asymmetric unit contains two molecules of C(4)H(13)NO(2)SSi.
    • Intermolecular N-H⋯O hydrogen bonds link the molecules into chains along the [001] direction.
    • The crystal was identified as an inversion twin with a refined domain ratio of 0.61(9):0.39(9).

    Conclusions:

    • The crystal structure of C(4)H(13)NO(2)SSi has been elucidated.
    • The hydrogen bonding network dictates the formation of 1D chains in the crystal lattice.
    • The crystallographic analysis provides essential data for further studies on this compound.