Six-membered cyclic sulfamidate imines: functionalization and cyclization reactions.

Area of Science:

• Organic Chemistry
• Heterocyclic Chemistry
• Medicinal Chemistry

Background:

• Six-membered cyclic sulfamidate imines are stable and accessible synthetic intermediates.
• They serve as key building blocks for functionalized cyclic N-sulfamidates and sulfamidate-fused heterocycles.
• These compounds exhibit diverse biological activities and are valuable in synthesis.

Purpose of the Study:

• To review the transformations involving cyclic N-sulfimines.
• To highlight their utility in constructing complex heterocyclic structures.
• To showcase the diverse catalytic systems enabling these reactions.

Main Methods:

• Exploration of functionalization reactions including alkylation, arylation, and acylation.
• Investigation of cycloaddition reactions with various nucleophiles.
• Analysis of transformations under transition metal, organocatalysis, base, acid, photocatalysis, electrocatalysis, and catalyst-free conditions.

Main Results:

• Cyclic sulfamidate imines undergo a wide array of functionalization reactions.
• These imines participate in cycloaddition reactions, expanding synthetic possibilities.
• Diverse catalytic systems effectively mediate the transformations of cyclic N-sulfimines.

Conclusions:

• Cyclic sulfamidate imines are crucial synthons for diverse heterocyclic scaffolds.
• Their reactivity under various catalytic conditions offers broad synthetic applications.
• This class of compounds holds significant potential in drug discovery and materials science.