中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-氨基-苯并吡喃-2-酮 | 4-aminocoumarin | 53348-92-8 | C9H7NO2 | 161.16 |
—— | [N-(2-oxo-2H-chromen-4-yl)imino]triphenyl phosphorane | 148389-68-8 | C27H20NO2P | 421.435 |
—— | Coumarin, 3-amino-4-(1-pyrrolidinyl)- | 59288-15-2 | C13H14N2O2 | 230.266 |
Fluorophores based on 4-triazolyl, 7-hydroxy-4-triazolylmethyl, 4-O-triazolylmethyl, and 7-O-triazolylmethyl coumaryl-tagged amino acids and dipeptides were synthesized by copper-catalyzed [3 + 2] cycloaddition reaction between azido- or alkynyl-functionalized coumarins with alkynyl- or azido-functionalized amino acid and dipeptides in good-to-excellent yields. Steady-state absorption and the fluorescence properties of the synthesized conjugates were studied. The chemical applicability of these amino acid and peptide-based fluorophores was successfully demonstrated by their linear elongation by further tagging them with appropriate C- or N-terminus amino acid.