3-(2-Pyrrolyl)-DL-alanine is a non-proteinogenic amino acid derivative featuring an alanine backbone bearing a 2-pyrrolyl substituent on the side chain, with both amino and carboxyl functional groups present in the free amino acid form. The molecule is specified as DL, indicating a racemic mixture at the alanine stereocenter, and the heteroaromatic pyrrolyl ring provides a five-membered, nitrogen-containing aromatic functionality that can participate in coordination and π-interactions while remaining chemically distinct from standard aliphatic side chains. It is used in peptide and amino acid chemistry to introduce a pyrrolyl-bearing residue for structure-activity studies, chemical biology labeling strategies, and the preparation of more complex amino acid and peptide derivatives where a heteroaromatic side chain is required.
CAT No: CP23503
3-(2-Pyrrolyl)-DL-alanine is a DL-configured amino acid analog bearing a 2-pyrrolyl side chain, providing a heteroaromatic functionality that can be leveraged in medicinal chemistry and structure-activity relationship (SAR) studies. As a racemic amino acid building block, it is commonly used when stereochemical separation is not required at the early design stage, enabling rapid access to heteroaryl-containing peptide-like scaffolds and small-molecule intermediates. The pyrrolyl group offers a chemically distinct handle for downstream derivatization and for tuning electronic and hydrogen-bonding properties in target molecules.
1. Peptidomimetic Building Blocks
3-(2-Pyrrolyl)-DL-alanine is used by medicinal chemistry and chemical biology groups to prepare peptidomimetic and peptide-like scaffolds that incorporate a heteroaromatic side chain. Researchers often select this amino acid analog to introduce a pyrrolyl moiety into amide-rich structures where the side-chain electronics and hydrogen-bonding pattern can influence conformation and target interactions. In custom peptide synthesis workflows, it serves as an amino acid building block for generating analog libraries that probe how heteroaryl substitution affects binding modes and structure-activity relationships.
2. Medicinal Chemistry SAR Intermediates
3-(2-Pyrrolyl)-DL-alanine is frequently employed in pharmaceutical intermediate development to access heteroaryl-containing fragments used in small-molecule synthesis. The 2-pyrrolyl side chain provides a distinctive aromatic functionality that can be carried through as a motif while other functional groups are elaborated downstream, supporting parallel synthesis of analog series. Medicinal chemistry teams use this building block when they need a consistent heteroaromatic amino acid precursor to streamline route development for SAR campaigns, particularly in programs exploring amide-linked heterocycles and amino-acid-derived pharmacophores.
3. Heteroaryl-Containing Amide Synthesis
3-(2-Pyrrolyl)-DL-alanine is applied in the preparation of heteroaryl-substituted amides and related nitrogen-containing linkers used as chemical probes or research reagents. The amino acid framework enables robust incorporation into amide-forming sequences, while the pyrrolyl side chain remains available to contribute to physicochemical behavior such as polarity and aromatic character. Laboratory teams developing compound collections for screening and mechanism-of-action studies often rely on this analog to introduce a heteroaromatic substituent in a controlled, modular fashion, using it as a standardized building block across multiple target structures.
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