394-32-1
5-氟-2-羟基苯乙酮
+
79099-07-3
N-叔丁氧羰基-4-哌啶酮
→
~49%
721958-63-0
6-氟-4-氧代螺[苯并二氢吡喃-2,4-哌啶]-1-羧酸叔丁酯
936648-40-7
6-fluorospiro[3H-chromene-2,4'-piperidine]-4-one,hydrochloride