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Related Concept Videos

Nomenclature of Aryl and Heterocyclic Amines01:10

Nomenclature of Aryl and Heterocyclic Amines

The simplest aromatic amine is phenylamine, which contains an –NH2 functionality directly attached to an aromatic ring. The name aniline is designated for this skeleton. As shown in Figure 1, the common names of the functionalized anilines involve prefixes ortho-, meta-, and para- to indicate the substitution position. Different functionalized aniline derivatives also have notable trivial names.
Adrenergic Agonists: Chemistry and Structure-Activity Relationship01:16

Adrenergic Agonists: Chemistry and Structure-Activity Relationship

Adrenergic agonists' structure-activity relationship (SAR) determines their selectivity and efficacy. These agonists comprise a phenylethylamine moiety with an aromatic ring and an ethylamine side chain.
Aromatic ring substitutions: Substituting the aromatic ring with –OH groups at positions 3 and 4 yields catecholamines (e.g., epinephrine), which have a high affinity for adrenoceptors. Hydrogen bonding between –OH groups and receptors enhances adrenergic activity.
Separation of the aromatic...
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...
Antifungal Agents01:15

Antifungal Agents

Amphotericin B is a broad-spectrum antifungal agent that exploits structural differences between fungal and mammalian cell membranes. Its amphipathic structure—featuring a hydrophobic polyene-lactone ring and a hydrophilic region containing mycosamine and carboxylic acid groups—enables selective binding to ergosterol, a sterol predominantly found in fungal plasma membranes. This selective interaction underlies the drug’s antifungal activity, although weak binding to cholesterol contributes to...
Nomenclature of Primary Amines01:17

Nomenclature of Primary Amines

Primary, secondary, and tertiary amines are compounds consisting of one, two, and three alkyl groups connected to the amino group (–NH2), respectively. As depicted in Figure 1, the common name of the primary amines is obtained by adding the suffix -amine to the alkyl substituent attached to the amino group as the corresponding alkylamine.
Diazonium Group Substitution with Halogens and Cyanide: Sandmeyer and Schiemann Reactions01:20

Diazonium Group Substitution with Halogens and Cyanide: Sandmeyer and Schiemann Reactions

Arenediazonium substitution reactions occur when the diazonium group is substituted by various functional groups such as halides, hydroxyl, nitrile, etc. For instance, arenediazonium salts react with copper(I) salts of chloride, bromide, or cyanide to form corresponding aryl chlorides, bromides, and nitriles. These reactions are named Sandmeyer reactions. Although the mechanism of this reaction is complicated, as illustrated in Figure 1, they are believed to progress via an aryl copper...

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Related Experiment Video

Updated: Jun 5, 2026

Preparation of N-(2-alkoxyvinyl)sulfonamides from N-tosyl-1,2,3-triazoles and Subsequent Conversion to Substituted Phthalans and Phenethylamines
10:42

Preparation of N-(2-alkoxyvinyl)sulfonamides from N-tosyl-1,2,3-triazoles and Subsequent Conversion to Substituted Phthalans and Phenethylamines

Published on: January 3, 2018

N-Phenyl-adamantane-1-sulfinamide.

Mrityunjoy Datta, Alan J Buglass, Chang Seop Hong

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

    The crystal structure of the racemic title compound, C(16)H(21)NOS, reveals molecules forming polymeric chains. These chains are interconnected via N-H⋯O and C-H⋯O hydrogen bonds along the b axis.

    Area of Science:

    • Crystallography
    • Chemical Physics
    • Materials Science

    Background:

    • Understanding molecular packing and intermolecular interactions is crucial for predicting material properties.
    • Hydrogen bonding plays a significant role in the self-assembly and structural organization of organic compounds.

    Purpose of the Study:

    • To elucidate the crystal structure of the racemic title compound, C(16)H(21)NOS.
    • To investigate the intermolecular interactions, specifically hydrogen bonding, governing the compound's solid-state arrangement.

    Main Methods:

    • Single-crystal X-ray diffraction was employed to determine the three-dimensional molecular structure.
    • Analysis of the crystal structure involved identifying and characterizing hydrogen bonding networks.

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    Preparation and In Vivo Use of an Activity-based Probe for N-acylethanolamine Acid Amidase

    Published on: November 23, 2016

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    Preparation of N-(2-alkoxyvinyl)sulfonamides from N-tosyl-1,2,3-triazoles and Subsequent Conversion to Substituted Phthalans and Phenethylamines
    10:42

    Preparation of N-(2-alkoxyvinyl)sulfonamides from N-tosyl-1,2,3-triazoles and Subsequent Conversion to Substituted Phthalans and Phenethylamines

    Published on: January 3, 2018

    Modification and Functionalization of the Guanidine Group by Tailor-made Precursors
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    Modification and Functionalization of the Guanidine Group by Tailor-made Precursors

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    Preparation and In Vivo Use of an Activity-based Probe for N-acylethanolamine Acid Amidase
    11:01

    Preparation and In Vivo Use of an Activity-based Probe for N-acylethanolamine Acid Amidase

    Published on: November 23, 2016

    Main Results:

    • The racemic title compound, C(16)H(21)NOS, crystallizes in a structure where molecules are arranged in polymeric chains along the b-axis.
    • N-H⋯O and C-H⋯O hydrogen bonds were identified as the primary forces linking these molecular chains.

    Conclusions:

    • The observed polymeric chain structure is stabilized by a network of N-H⋯O and C-H⋯O hydrogen bonds.
    • This structural information provides insights into the supramolecular chemistry and potential applications of the title compound.