The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: H-Trp-OMe.HCl( cas:7524-52-9 ) is researched.Reference of H-Trp-OMe.HCl.Singh, Prabhpreet; Sharma, Poonam published the article 《Nano cuboids: Impact of 8-hydroxyquinoline on tryptophan properties and its applications》 about this compound( cas:7524-52-9 ) in Tetrahedron Letters. Keywords: hydroxyquinoline tryptophan conjugate fluorescent nanocuboid aluminum water latent fingerprint. Let’s learn more about this compound (cas:7524-52-9).
N-terminal tryptophan residues can be labeled with fluorophore by chem. reaction. Here in we report conjugation of 8-hydroxyquinoline (as fluorophore) with tryptophan using Schiff-base condensation reaction to decipher the impact of 8-hydroxyquinoline on the fluorescence and self-assembly properties of tryptophan in water. This water-soluble hydroxyquinoline-tryptophan (HQ-W1) conjugate has been demonstrated to have Aggregation Induced Emission (AIE) phenomena in water. HQ-W1 undergo spontaneous self-assembly to form nano cuboidal superstructures having 200-500 nm diameter and 300-650 nm length. In metal-ion binding studies this HQ-W1 shows selective fluorescence enhancement (14.5-fold) in the presence of Al3+ ions. The detection limit is 3.0 nM (UV method) and 3.53 nM (FI method). The AIE utility of HQ-W1 has been demonstrated by developing latent fingerprints.
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Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem