6-[3,5-bis(trifluoromethyl)benzyl]-4-chloro-2-methylthio-5,6,7,8,9,10-hexahydropyrimido[4,5-b][1,5]diazocin-5-one 、 (4-fluorophenyl)boric acid 以to obtain 6-[3,5-bis(trifluoromethyl)benzyl]-4-(4-fluorophenyl)-5,6,7,8,9,10-hexahydro-2-(methylthio)-5-oxopyrimido[4,5-b][1,5]diazocine (2.49 g, 91%)的产率得到6-[3,5-bis(trifluoromethyl)benzyl]-4-(4-fluorophenyl)-5,6,7,8,9,10-hexahydro-2-(methylthio)-5-oxopyrimido[4,5-b][1,5]diazocine