(2R,5S,6S)-1-(2,2,2-trifluoroacetyl)-5-methyl-6-(4-bromophenyl)-1,2,5,6-tetrahydropyridine-2-carboxylic acid methyl ester 在
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以95%的产率得到(5S,6S)-6-(4-Bromo-phenyl)-5-methyl-1-(2,2,2-trifluoro-acetyl)-1,4,5,6-tetrahydro-pyridine-2-carboxylic acid methyl ester