Methanol → HCID 22255988, compound

Participants

Reaction Steps

To a solution of 3-hydroxy-5-phenylamino-isothiazol-4-carbonitrile (2.82 g, 13 mmol), triphenylphosphine (4.04 g, 15.6 mmol), methanol (0.53 ml) in THF (25 ml) was added diethyl azadicarboxylate (DEAD, 2.46 ml, 15.6 mmol) at 0° C. The mixture was stirred at ambient temperature and evaporated to give a residue. The crude product was purified on silica gel (hexane/EtOAc, 1:1) to give a yellow powder (1.26 g, 42%).

Provenance & Evidence