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Related Concept Videos

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.
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The Diels–Alder reaction is an example of a thermal pericyclic reaction between a conjugated diene and an alkene or alkyne, commonly referred to as a dienophile. The reaction involves a concerted movement of six π electrons, four from the diene and two from the dienophile, forming an unsaturated six-membered ring. As a result, these reactions are classified as [4+2] cycloadditions.

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Related Experiment Video

Updated: Jun 5, 2026

Scale-up Chemical Synthesis of Thermally-activated Delayed Fluorescence Emitters Based on the Dibenzothiophene-S,S-Dioxide Core
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Methyl 3-[(E)-furfuryl-idene]dithio-carbazate.

Shang Shan1, Shan-Heng Wang, Ying-Li Xu

  • 1College of Chemical Engineering and Materials Science, Zhejiang University of Technology, People's Republic of China.

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

This study details the synthesis and structural analysis of a novel Schiff base compound. The molecule exhibits an E configuration and forms supramolecular dimers through hydrogen bonding.

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Area of Science:

  • Organic Chemistry
  • Crystallography

Background:

  • Schiff bases are versatile organic compounds with diverse applications.
  • Understanding the structural properties of Schiff bases is crucial for their targeted synthesis and application.

Purpose of the Study:

  • To synthesize and characterize a novel Schiff base compound derived from methyl dithio-carbazate and furfural.
  • To elucidate the molecular structure, including configuration and intermolecular interactions.

Main Methods:

  • Synthesis of the Schiff base via reaction of methyl dithio-carbazate and furfural in ethanol under reflux.
  • Single crystal X-ray diffraction to determine molecular and crystal structure.

Main Results:

  • The synthesized compound, C(7)H(8)N(2)OS(2), adopts an E configuration.
  • The dithio-carbazate and furan moieties are positioned on opposite sides of the C=N double bond.
  • A dihedral angle of 5.2(1)° was observed between the dithio-carbazate and furan rings.
  • Adjacent molecules form supramolecular dimers via N-H⋯S hydrogen bonding.

Conclusions:

  • The study successfully synthesized and structurally characterized a new Schiff base.
  • The compound exhibits specific stereochemistry and forms extended hydrogen-bonded networks in the solid state.
  • The findings contribute to the understanding of Schiff base structure-property relationships.