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Efficient solid-phase synthesis of sulfahydantoins.

Mélanie Tremblay¹, Normand Voyer, Sihem Boujabi

¹Centre de Recherche sur la Fonction, la Structure et l'Ingénierie des Protéines, Département de Chimie, Faculté des Sciences et de Génie, Université Laval, Québec, G1K 7P4, Canada.

Journal of Combinatorial Chemistry

|September 10, 2002

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Researchers developed a novel solid-phase synthesis for traceless sulfahydantoins. This efficient method produced 28 derivatives with high purity, avoiding racemization under mild conditions.

Area of Science:

Organic Chemistry
Medicinal Chemistry
Synthetic Chemistry

Background:

Sulfahydantoins are a class of compounds with potential pharmaceutical applications.
Developing efficient and selective synthetic routes is crucial for exploring their biological activities.

Purpose of the Study:

To establish a novel solid-phase strategy for the efficient preparation of "traceless" sulfahydantoins.
To explore selective derivatization at specific positions of the sulfahydantoin core.

Main Methods:

A novel solid-phase synthesis utilizing oxime resin was employed.
Parallel synthesis was used to generate a library of sulfahydantoin derivatives.
Key reactions included reductive alkylations, Mitsunobu reactions, and sulfamoylation.

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Main Results:

A total of 28 sulfahydantoin derivatives were synthesized with crude purity generally higher than 85%.
The strategy allowed for selective substitution at the N(2) and N(5) positions.
Mild reaction conditions ensured that the synthesized sulfahydantoins were free from racemization.

Conclusions:

The developed solid-phase strategy offers an efficient route to "traceless" sulfahydantoins.
The method provides selective control over derivatization, enabling the synthesis of diverse analogs.
The avoidance of racemization is critical for potential pharmaceutical applications.