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Microwave-assisted Intramolecular Dehydrogenative Diels-Alder Reactions for the Synthesis of Functionalized Naphthalenes/Solvatochromic Dyes

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Developments in Methods of Analysis for Naphthalene Sulfonates.

Sayyed Hossein Hashemi¹, Massoud Kaykhaii²

¹a Department of Marine Chemistry , Faculty of Marine Science, Chabahar Maritime University , Chabahar , Iran.

Critical Reviews in Analytical Chemistry

|August 20, 2016

Summary

This review details analytical methods for naphthalene sulfonates, focusing on extraction and detection techniques. It covers solid-phase extraction and various chromatography methods for analyzing these important industrial chemicals.

Keywords:

Chromatographic and spectrophotometric methods of analysis naphthalene sulfonates sample preparation water pollution

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Microwave-assisted Intramolecular Dehydrogenative Diels-Alder Reactions for the Synthesis of Functionalized Naphthalenes/Solvatochromic Dyes

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Area of Science:

Analytical Chemistry
Environmental Science

Background:

Naphthalene sulfonates are industrially significant due to their high water solubility, mobility, and temperature stability.
Their presence in various matrices necessitates robust analytical methods for accurate assessment.

Purpose of the Study:

To provide a comprehensive review of analytical methods for naphthalene sulfonate pre-concentration and analysis.
To detail extraction, detection, and identification techniques for these compounds.

Main Methods:

Solid-phase extraction (SPE) using molecularly imprinted polymers and anion-exchange resins for pre-concentration.
Detection and quantification via spectrophotometry, high-performance liquid chromatography (HPLC), capillary electrophoresis (CE), gas chromatography-mass spectrometry (GC-MS), and liquid chromatography-mass spectrometry (LC-MS).

Main Results:

SPE is a common and effective method for extracting and pre-concentrating naphthalene sulfonates.
A variety of chromatographic and spectrophotometric techniques are employed for their quantification.
Emerging electrochemical methods offer new avenues for analysis.

Conclusions:

A wide array of analytical techniques exist for naphthalene sulfonates, with SPE being a primary pre-concentration method.
The review highlights the importance of selecting appropriate methods based on the matrix and required sensitivity.
Future research may benefit from exploring novel electrochemical approaches for enhanced analysis.