3-((tert-butyldimethylsilyl)oxy)isoxazole-5-carbaldehyde 、
[(4E)-6-fluoro-4-methoxyiminospiro[3H-chromene-2,4'-piperidine]-1'-yl]-(4-fluoropiperidin-4-yl)methanone 在
溶剂黄146 三乙酰氧基硼氢化钠 作用下,
以
二氯甲烷 为溶剂,
以33%的产率得到[1-[[3-[tert-butyl(dimethyl)silyl]oxy-1,2-oxazol-5-yl]methyl]-4-fluoropiperidin-4-yl]-[(4E)-6-fluoro-4-methoxyiminospiro[3H-chromene-2,4'-piperidine]-1'-yl]methanone