Abstract

A simple and convenient method to catalyze thiazolidine ring formation has been developed. The process, based on guest-host chemistry using micelle as the host, increased the rate of the reaction manifold in neutral condition and aqueous medium. The guest molecule, a pyrene tagged benzaldehyde derivative (PyCHO), reacted with L-cysteine under this condition to generate the product formed by thiazolidine ring formation, which could be used to label the amino acid by a pyrene-based fluorophore. Trapping PyCHO inside micelles before reaction is supposed to be the key for the enhancement of the rate of the reaction.

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