13210-29-2
1-(3-羟基吡啶-2-基)乙酮
+
79099-07-3
N-叔丁氧羰基-4-哌啶酮
→
~77%
1051383-43-7
tert-butyl 4-oxospiro[3H-pyrano[3,2-b]pyridine-2,4'-piperidine]-1'-carboxylate