(R)-5-(5'-chloro-4,3'-difluoro-biphenyl-3-yl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepan-3-one 、
劳森试剂 以
1,4-二氧六环 为溶剂,
以yielded the (R)-5-(5′-chloro-4,3′-difluoro-biphenyl-3-yl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepan-3-thione (131 mg, 97%) as a white foam的产率得到(R)-5-(5'-chloro-4,3'-difluoro-biphenyl-3-yl)-6,6-difluoro-5,7,7-trimethyl-[1,4]oxazepan-3-thione