Water → 3-{1-[(6-Chloroimidazo[2,1-b][1,3]thiazol-5-yl)sulfonyl]-5-fluoro-1H-indol-3-yl}propan-1-amine

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Reaction Steps

A mixture of 3-(3-azidopropyl)-1-[(6-chloroimidazo-[2,1-b][1,3]thiazol-5-yl)sulfonyl]-5-fluoro-1H-indole (180 mg, 0.41 mmol) and triphenylphosphine (161 mg, 0.62 mmol in THF and water is stirred under nitrogen for 24 h at room temperature and concentrated in vacuo. The resultant residue is purified by flash chromatography (silica gel, EtOAc/2M NH3 in MeOH: 98/2) to afford the title product as an off-white solid, 132 mg (78% yield), mp 139-141° C., identified by NMR and mass spectral analyses.

Provenance & Evidence