(1S,4S)-4-isopropyl-4-{[3-(trifluoromethyl)-7,8-dihydro-1,6-naphthyridin-6(5H)-yl]carbonyl}cyclopent-2-en-1-amine 、
3-甲氧基-四氢-2H-吡喃-4-酮 在
三乙酰氧基硼氢化钠 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
生成
1,5-酐-2,3-双脱氧-3-[[(1R,3S)-3-[[7,8-二氢-3-(三氟甲基)-1,6-萘啶-6(5H)-基]羰基]-3-(1-甲基乙基)环己基]氨基]-4-O-甲基-D-赤式-戊糖醇 、
D-threo-Pentitol, 1,5-anhydro-2,3-dideoxy-3-[[(1R,3S)-3-[[7,8-dihydro-3-(trifluoromethyl)-1,6-naphthyridin-6(5H)-yl]carbonyl]-3-(1-methylethyl)cyclopentyl]amino]-4-O-methyl- 、 [(1S,3R)-3-[[(3R,4R)-3-methoxyoxan-4-yl]amino]-1-propan-2-ylcyclopentyl]-[3-(trifluoromethyl)-7,8-dihydro-5H-1,6-naphthyridin-6-yl]methanone 、 [(1S,3R)-3-[[(3R,4S)-3-methoxyoxan-4-yl]amino]-1-propan-2-ylcyclopentyl]-[3-(trifluoromethyl)-7,8-dihydro-5H-1,6-naphthyridin-6-yl]methanone