(4S,6S)-N-[bis(4-methoxyphenyl)-phenyl-methyl]-4-[5-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-2-fluoro-phenyl]-4-methyl-6-(trifluoromethyl)-5,6-dihydro-1,3-oxazin-2-amine 、
2-bromo-5-(4-chlorophenyl)-1,3,4-oxadiazole 、
三氟乙酸 以to give (4S,6S)—N-(bis(4-methoxyphenyl)(phenyl)methyl)-4-(5-(5-(4-chlorophenyl)-1,3,4-oxadiazol-2-yl)-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine (23 mg) and deprotection with trifluoroacetic acid的产率得到(4S,6S)-N-(bis(4-methoxyphenyl)(phenyl)methyl)-4-(5-(5-(4-chlorophenyl)-1,3,4-oxadiazol-2-yl)-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine