8-chloro-5-methyl-5H-chromeno[3,4-c]pyridine 、 tert-butyl 4-fluoro-1-hydroxy-4-methylpentan-2-ylcarbamate 以to afford 4-fluoro-4-methyl-1-(5-methyl-5H-chromeno[3,4-c]pyridin-8-yloxy)pentan-2-amine (80 mg, 0.23 mmol, 99% yield) as a yellow oil的产率得到4-fluoro-4-methyl-1-(5-methyl-5H-chromeno[3,4-c]pyridin-8-yloxy)pentan-2-amine