2-萘甲醛 、
(5S,6R,1'R,2'R,4'R)-3,4,5,6-tetrahydro-5-methyl-4-(1,7,7-trimethylbicyclo[2.2.1]hept-2-yl)-6-phenyl-3-propionyl-2H-1,3,4-oxadiazin-2-one 在
四氯化钛 、
三乙胺 作用下,
以
四氢呋喃 为溶剂,
以88%的产率得到(5S,6R,1'R,2'R,4'R,2''S,3''S)-3,4,5,6-tetrahydro-3-(3-hydroxy-2-methyl-3-naphthalen-2-yl-propionyl)-5-methyl-6-phenyl-4-(1,7,7-trimethylbicyclo[2.2.1]hept-2-yl)-2H-1,3,4-oxadiazin-2-one