CoFe2O4-Catalyzed Three-Component One-Pot Synthesis of (2-Imino)-1,3-oxathioles

Area of Science:

• Organic Chemistry
• Heterocyclic Chemistry
• Green Chemistry

Background:

• Developing efficient synthetic routes for heterocyclic compounds is crucial in medicinal chemistry.
• 1,3-Oxathioles derivatives possess diverse biological activities.
• There is a need for sustainable synthetic methods with easy catalyst recovery.

Purpose of the Study:

• To develop a convenient and efficient one-pot synthesis for (2-imino)-1,3-oxathioles derivatives.
• To utilize a magnetically separable heterogeneous catalyst for improved sustainability.
• To demonstrate the broad applicability of the developed method.

Main Methods:

• A three-component reaction involving nitrobenzene, 2-naphthol, and carbon disulfide.
• Utilizing magnetically separable cobalt ferrite (CoFe2O4) as a heterogeneous catalyst.
• Employing an external magnet for straightforward catalyst recovery and reuse.

Main Results:

• Successful synthesis of various (2-imino)-1,3-oxathioles derivatives in good yields.
• Demonstration of easy catalyst separation and recyclability, highlighting the method's sustainability.
• Confirmation of tolerance to a wide range of substrates, indicating the protocol's versatility.

Conclusions:

• A practical and eco-friendly one-pot protocol for synthesizing (2-imino)-1,3-oxathioles derivatives has been established.
• The use of CoFe2O4 magnetic nanoparticles offers significant advantages in terms of catalyst recovery and reusability.
• This method provides an efficient pathway for accessing valuable heterocyclic compounds.