Trifluoroacetic acid → HCID 86730037, compound

Participants

Reaction Steps

To a mixture of tert-butyl 2-(4-((5R,7S)-2-oxo-3-oxa-1-azaspiro[4.4]nonan-7-yl)phenyl)acetate (I-5A, 1 g, 3.02 mmol) in DCM (20 mL) was added TFA (10 mL). After 2 h, the solution was concentrated in vacuo and used as such for the subsequent step without further purification. HPLC retention time=0.65 min (Condition G); LC/MS M+1=276.

Provenance & Evidence