2-fluorospiro(4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine) 、
2-(4-formyl-3-methyl-pyrazol-1-yl)pyridine-3-carbonitrile 以to give 2-[4-[(2-fluorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4′-piperidine]-1′-yl)methyl]-3-methyl-pyrazol-1-yl]pyridine-3-carbonitrile in a 32% yield的产率得到2-[4-[(2-fluorospiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]-1'-yl)methyl]-3-methyl-pyrazol-1-yl]pyridine-3-carbonitrile