(4S,4bS,9aR,10aR)-5-Isopropyl-4-thiophen-3-yl-1,9,9a,10a-tetrahydro-4H,4bH-10-oxa-4a-aza-indeno[1,2-a]indene-2-carboxylic acid ethyl ester 在
盐酸 、 sodium cyanoborohydride 作用下,
以
乙腈 为溶剂,
反应 0.5h,
以93%的产率得到ethyl (2S)-1-[(1S,2R)-2-hydroxyl-7-isopropylindan-1-yl]-2-(thiophen-3-yl)-1,2,5,6-tetrahydropyridine-4-carboxylate