Abstract The room temperature ionic liquid, 1‐ n ‐butyl‐3‐methylimidazolium hexafluorophosphate [bmim][PF 6 ] is used as a ‘green’ recyclable alternative to classical molecular solvents for the cyclocondensation of α‐tosyloxyketones with thiobenzamide to prepare 2‐phenylthiazoles in good yields.