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Combinatorial synthesis of small-molecule libraries using 3-amino-5-hydroxybenzoic acid
S M Dankwardt1, T M Phan, J L Krstenansky
1Syntex Discovery Research, Chemical Research and Development, Palo Alto, CA 94304, USA.
Molecular Diversity
|February 1, 1996
Summary
A diverse non-peptide library of 2001 compounds was synthesized using solid-phase techniques and a split/combine method. This approach efficiently created compound mixtures based on a 3-amino-5-hydroxybenzoic acid core structure.
Area of Science:
- Medicinal Chemistry
- Organic Synthesis
- Combinatorial Chemistry
Background:
- Solid-phase synthesis enables the creation of large compound libraries.
- Combinatorial chemistry techniques accelerate drug discovery.
- Non-peptide compounds offer alternative scaffolds for therapeutic development.
Purpose of the Study:
- To prepare a diverse non-peptide library of 2001 compounds.
- To demonstrate the utility of the split/combine method for library synthesis.
- To establish a versatile synthetic route using a 3-amino-5-hydroxybenzoic acid core.
Main Methods:
- Solid-phase synthesis techniques were employed.
- The split/combine method was utilized for library generation.
- A 3-amino-5-hydroxybenzoic acid core structure was functionalized at amino and hydroxy positions.
Main Results:
- A library comprising 2001 non-peptide compounds was successfully synthesized.
- The split/combine method proved effective for creating compound mixtures.
- Variable substitution at the amino and hydroxy groups of the core structure was achieved.
Conclusions:
- Solid-phase synthesis combined with the split/combine method is efficient for generating diverse non-peptide libraries.
- The 3-amino-5-hydroxybenzoic acid core provides a versatile platform for combinatorial library synthesis.
- This methodology facilitates the rapid exploration of chemical space for drug discovery efforts.