(3R,4S)-1-(3,3-dimethyl-butyryl)-4-phenyl-pyrrolidine-3-carbaldehyde 、 1-isopropyl-3-methyl-bicyclo[3.2.1]-1β,3,8-triaza-spiro[4.5]dodecan-2,4-dione 在
三乙酰氧基硼氢化钠 、
盐酸 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 2.0h,
以8%的产率得到(3S,4S)-1-(3,3-dimethyl-butyryl)-3-[1-isopropyl-3-methyl-bicyclo[3.2.1]-2,4-dioxo-1β,3,8-triaza-spiro[4.5]dodec-8-ylmethyl]-4-phenyl-pyrrolidine hydrochloride