Highly functionalized calix[4]arenes via multicomponent reactions: synthesis and recognition properties.

Area of Science:

• Organic Chemistry
• Supramolecular Chemistry
• Green Chemistry

Background:

• Multicomponent reactions (MCRs) align with green chemistry principles, driving increased interest across various chemical disciplines.
• MCRs are valuable tools in supramolecular chemistry for generating novel supramolecular derivatives.
• Recent advancements show MCRs enabling the synthesis of highly-functionalized calix[4]arene derivatives, replacing traditional stepwise methods.

Purpose of the Study:

• To explore the application of upper rim and lower rim substituted calix[4]arenes in multicomponent reactions.
• To present multicomponent approaches as a facile and convenient synthetic strategy for calix[4]arene derivatives.
• To emphasize the operational simplicity, mild conditions, and structural diversity offered by these MCRs.

Main Methods:

• Utilizing multicomponent reactions (MCRs) with substituted calix[4]arenes.
• Employing facile and convenient synthetic strategies.
• Focusing on upper rim and lower rim functionalization.

Main Results:

• Demonstration of MCRs as an efficient strategy for synthesizing functionalized calix[4]arenes.
• Achieved operational simplicity and mild reaction conditions.
• Generated structurally diverse calix[4]arene derivatives with unique features and applications.

Conclusions:

• Multicomponent reactions provide an advantageous synthetic route for calix[4]arene derivatives.
• The described MCR approach offers simplicity, mild conditions, and access to diverse structures.
• The resulting calix[4]arene derivatives possess unique properties suitable for various applications.