在
tin(II) chloride dihdyrate 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以85%的产率得到4-[[4-hydroxy-3-[5-(2-hydroxyphenyl)-3-methyl-7,8-dihydro-6H-[1,2]oxazolo[4,5-b]azepin-7-yl]phenyl]methyl]-2-[5-(2-hydroxyphenyl)-3-methyl-7,8-dihydro-6H-[1,2]oxazolo[4,5-b]azepin-7-yl]phenol