Tetrabutylammonium Fluoride → HCID 90295585, compound

Participants

Reaction Steps

Using compound (3R,3aS)-3-((t-butyldimethylsiloxy)methyl)-7-((R)-4-methoxyl-2-oxopiperidin-1-yl)-3a,4-dihydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-1(3H)-one (1.5 g, 3.24 mmol), and TBAF (1.27 g, 4.86 mmol) as starting materials, DCM as solvent, preparation following the method as described in Example 1 (b) afforded white solid 0.85 g, yield 75.0%.

Provenance & Evidence