Phthalimide potassium salt → HCID 90295498, compound

Participants

Reaction Steps

Using compound ((3R,3aS)-7-cyano-1-oxo-1,3,3a,4-tetrahydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-3-yl)methylmethanesulfonate (0.31 g, 0.957 mmol) and phthalimide potassium (0.266 g, 1.435 mmol) as starting materials, preparation following the method as described in Example 1(d) afforded white solid 0.286 g, yield: 79.71%.

Provenance & Evidence