Phthalimide potassium salt → HCID 90295592, compound

Participants

Reaction Steps

Using compound ((3R,3 aR)-1-oxo-7-(3-oxomorpholin-4-yl)-1,3,3a,4-tetrahydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-3-yl)methylmethanesulfonate (2.98 g, 7.48 mmol) prepared above in (a) and phthalimide potassium (2.08 g, 11.22 mmol) as starting materials, preparation following the method as described in Example 1 (d) afforded white solid 2.76 g, yield: 82.1%.

Provenance & Evidence