1481-27-2
4-氟-2-羟基苯乙酮
+
79099-07-3
N-叔丁氧羰基-4-哌啶酮
→
~33%
936648-33-8
tert-butyl 7-fluoro-4-oxospiro[3H-chromene-2,4'-piperidine]-1'-carboxylate