Pyr-OPcp is an amino acid derivative in which a pyridyl-containing moiety is linked to an O-alkyl phosphonate leaving group, forming an activated ester/transfer reagent class suitable for peptide-coupling chemistry. The molecule bears the characteristic electrophilic activation at the O-phosphonate portion, enabling nucleophilic acyl substitution by an amine while the pyridyl substituent provides a defined aromatic handle for monitoring or downstream derivatization. In synthetic peptide workflows, it functions as a precursor for forming peptide bonds under conditions that match its activated leaving group, and it is also used in analytical and chemical biology contexts where pyridyl-tagged intermediates or labeling reagents are required.
CAT No: CP26963
CAS No:28990-85-4
Synonyms/Alias:L-Pyroglutamicacidpentachlorophenylester;28990-85-4;pentachlorophenyl(2S)-5-oxopyrrolidine-2-carboxylate;AC1MHZ0P;C11H6Cl5NO3;P9644_SIGMA;SCHEMBL5838976;CTK8G0660;Perchlorophenyl5-oxo-L-prolinate;ZKGMBAZWQLUSMW-VKHMYHEASA-N;ZINC4899502;EINECS249-360-2;7344AH;ZINC04899502;5-Oxo-L-prolinepentachlorophenylester;AM021829;HE011583;L-Proline,5-oxo-,pentachlorophenylester;L-PYROGLUTAMICACIDPENTACHLOROPHENYLESTER;pentachlorophenylesterofL-pyroglutamicacid;K-7122;L-Proline,5-oxo-,pentachlorophenylester(9CI);3B3-044081;(2,3,4,5,6-pentachlorophenyl)(2S)-5-oxopyrrolidine-2-carboxylate;2,3,4,5,6-PENTACHLOROPHENYL(2S)-5-OXOPYRROLIDINE-2-CARBOXYLATE
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