Phthalimide potassium salt → HCID 90295825, compound

Participants

Reaction Steps

Using compound ((3R,3aS)-1-oxo-7-(2-oxopiperidin-1-yl)-1,3,3a,4-tetrahydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-3-yl)methylmethanesulfonate (0.774 g, 1.95 mmol), phthalimide potassium (0.542 g, 2.93 mmol) as starting materials, preparation following the method as described in Example 1(d) afforded white solid 0.693 g, yield: 79.3%.

Provenance & Evidence