[7-chloro-5-(2-methoxyphenyl)-2-thioxo-1,2,3,5-tetrahydro-4,1-benzoxazepin-3-yl]acetic acid ethyl ester 、 [7-chloro-5-(2-methoxyphenyl)-2-thiooxo-1,2,3,5-tetrahydro-4,1-benzoxazepin-3-yl]acetic acid ethyl ester 、
异丁酸肼 以
1,4-二氧六环 为溶剂,
反应 48.0h,
以12%的产率得到[8-chloro-1-isopropyl-6-(2-methoxyphenyl)-4H,6H-[1,2,4]triazolo[4,3-a][4,1]benzoxazepin-4-yl]acetic acid ethyl ester