对溴三氟甲苯 、 5R-(2,4,6-trifluorophenyl)-5,6-dihydro-N,N-bis[(4-methoxyphenyl)methyl]-2,5-dimethyl-2H-1,2,4-thiadiazin-3-amine-1,1-dioxide 在
XPhos 、 palladium diacetate
sodium hexamethyldisilazane 、 zinc(II) chloride 作用下,
以
1,4-二氧六环 为溶剂,
反应 4.0h,
以52%的产率得到6(R)-[4-(trifluoromethyl)phenyl]-5R-(2,4,6-trifluorophenyl)-5,6-dihydro-N,N-bis[(4-methoxyphenyl)methyl]-2,5-dimethyl-2H-l,2,4-thiadiazin-3-amine-1,1-dioxide