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Related Concept Videos

Nomenclature of Carboxylic Acid Derivatives: Acid Halides, Esters, and Acid Anhydrides01:16

Nomenclature of Carboxylic Acid Derivatives: Acid Halides, Esters, and Acid Anhydrides

Naming Acid Halides
The IUPAC and common names of acid halides are derived from the corresponding carboxylic acids, by changing “ic acid” to “yl halide.” For example, as shown below, the IUPAC name ethanoyl chloride is derived from ethanoic acid, and the common name, acetyl chloride, is obtained from acetic acid.
Diazonium Group Substitution: –OH and –H01:19

Diazonium Group Substitution: –OH and –H

Nitrous acid, a weak acid, is prepared in situ via the reaction of sodium nitrite with a strong acid under cold conditions. This nitrous acid prepared in situ reacts with primary arylamines to form arenediazonium salts. Such reactions are known as diazotization reactions. As shown in Figure 1, the formation of arenediazonium salts begins with the decomposition of nitrous acid in an acidic solution to give nitrosonium ions.
Depolarizing Blockers: Pharmocokinetics01:19

Depolarizing Blockers: Pharmocokinetics

Depolarizing blockers are administered through intravenous injection. Succinylcholine is the most common choice of depolarizing blockers in emergency clinical practices. Although they have a rapid onset, they readily diffuse away from the motor end plate into the extracellular fluid. They are metabolized by enzymes such as liver butyrylcholinesterase and plasma pseudocholinesterases. This produces a short duration of action, typically 5-10 minutes long, unlike nondepolarizing blockers, which...
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.
Phase II Reactions: Sulfation and Conjugation with α-Amino Acids01:19

Phase II Reactions: Sulfation and Conjugation with α-Amino Acids

Sulfation and α-amino acid conjugation are two critical biotransformation reactions in drug metabolism. Sulfation, a phase II biotransformation reaction, involves adding a polar sulfate group to a drug, enhancing its water solubility and promoting excretion. This process can either co-occur with or occur independently of glucuronidation. Nonmicrosomal sulfotransferase enzymes catalyze the process. The reaction involves 3'-phosphoadenosine-5'-phosphosulfate or PAPS coenzyme activation, sulfur...
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...

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Crystal structures of three <i>N</i>-acyl-hydrazone isomers.

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.

Acta crystallographica. Section E, Crystallographic communications·2018
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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 2, 2026

Microwave-assisted One-pot Synthesis of N-succinimidyl-4-[18F]fluorobenzoate ([18F]SFB)
08:33

Microwave-assisted One-pot Synthesis of N-succinimidyl-4-[18F]fluorobenzoate ([18F]SFB)

Published on: June 28, 2011

N-(2,3-Dimethyl-phen-yl)succinamic acid.

B S Saraswathi, Sabine Foro, B Thimme Gowda

    Acta Crystallographica. Section E, Structure Reports Online
    |April 28, 2011
    PubMed
    Summary

    This study details the molecular structure and crystal packing of a novel organic compound. The research reveals specific bond conformations and intermolecular hydrogen bonding critical for its crystalline form.

    Area of Science:

    • Crystallography
    • Organic Chemistry
    • Molecular Structure Analysis

    Background:

    • Understanding molecular conformation and intermolecular interactions is crucial in crystal engineering.
    • The specific compound C(12)H(15)NO(3) presents an interesting case for structural investigation.

    Purpose of the Study:

    • To elucidate the precise molecular conformation of C(12)H(15)NO(3).
    • To investigate the intermolecular hydrogen bonding patterns in the crystalline state of the compound.

    Main Methods:

    • Single-crystal X-ray diffraction was employed to determine the three-dimensional structure.
    • Conformational analysis of the amide and benzene segments was performed.

    Main Results:

    • The N-H and C=O bonds in the amide segment adopt an anti conformation.

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    Last Updated: Jun 2, 2026

    Microwave-assisted One-pot Synthesis of N-succinimidyl-4-[18F]fluorobenzoate ([18F]SFB)
    08:33

    Microwave-assisted One-pot Synthesis of N-succinimidyl-4-[18F]fluorobenzoate ([18F]SFB)

    Published on: June 28, 2011

    A Strategy for Sensitive, Large Scale Quantitative Metabolomics
    14:18

    A Strategy for Sensitive, Large Scale Quantitative Metabolomics

    Published on: May 27, 2014

    Modification and Functionalization of the Guanidine Group by Tailor-made Precursors
    09:45

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

    Published on: April 27, 2017

  • The amide H atom is syn to the ortho- and meta-methyl groups on the benzene ring.
  • Molecules form infinite chains via intermolecular O-H⋯O and N-H⋯O hydrogen bonds.

    • Conclusions:

    • The study provides detailed insights into the conformational preferences and crystal packing of C(12)H(15)NO(3).
    • The identified hydrogen bonding network dictates the formation of extended chains in the solid state.